{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-39301", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-06-24T13:53:25.535Z", "datePublished": "2024-06-25T14:22:41.566Z", "dateUpdated": "2024-12-19T09:06:33.888Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T09:06:33.888Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/9p: fix uninit-value in p9_client_rpc()\n\nSyzbot with the help of KMSAN reported the following error:\n\nBUG: KMSAN: uninit-value in trace_9p_client_res include/trace/events/9p.h:146 [inline]\nBUG: KMSAN: uninit-value in p9_client_rpc+0x1314/0x1340 net/9p/client.c:754\n trace_9p_client_res include/trace/events/9p.h:146 [inline]\n p9_client_rpc+0x1314/0x1340 net/9p/client.c:754\n p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031\n v9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410\n v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122\n legacy_get_tree+0x114/0x290 fs/fs_context.c:662\n vfs_get_tree+0xa7/0x570 fs/super.c:1797\n do_new_mount+0x71f/0x15e0 fs/namespace.c:3352\n path_mount+0x742/0x1f20 fs/namespace.c:3679\n do_mount fs/namespace.c:3692 [inline]\n __do_sys_mount fs/namespace.c:3898 [inline]\n __se_sys_mount+0x725/0x810 fs/namespace.c:3875\n __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875\n do_syscall_64+0xd5/0x1f0\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nUninit was created at:\n __alloc_pages+0x9d6/0xe70 mm/page_alloc.c:4598\n __alloc_pages_node include/linux/gfp.h:238 [inline]\n alloc_pages_node include/linux/gfp.h:261 [inline]\n alloc_slab_page mm/slub.c:2175 [inline]\n allocate_slab mm/slub.c:2338 [inline]\n new_slab+0x2de/0x1400 mm/slub.c:2391\n ___slab_alloc+0x1184/0x33d0 mm/slub.c:3525\n __slab_alloc mm/slub.c:3610 [inline]\n __slab_alloc_node mm/slub.c:3663 [inline]\n slab_alloc_node mm/slub.c:3835 [inline]\n kmem_cache_alloc+0x6d3/0xbe0 mm/slub.c:3852\n p9_tag_alloc net/9p/client.c:278 [inline]\n p9_client_prepare_req+0x20a/0x1770 net/9p/client.c:641\n p9_client_rpc+0x27e/0x1340 net/9p/client.c:688\n p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031\n v9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410\n v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122\n legacy_get_tree+0x114/0x290 fs/fs_context.c:662\n vfs_get_tree+0xa7/0x570 fs/super.c:1797\n do_new_mount+0x71f/0x15e0 fs/namespace.c:3352\n path_mount+0x742/0x1f20 fs/namespace.c:3679\n do_mount fs/namespace.c:3692 [inline]\n __do_sys_mount fs/namespace.c:3898 [inline]\n __se_sys_mount+0x725/0x810 fs/namespace.c:3875\n __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875\n do_syscall_64+0xd5/0x1f0\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nIf p9_check_errors() fails early in p9_client_rpc(), req->rc.tag\nwill not be properly initialized. However, trace_9p_client_res()\nends up trying to print it out anyway before p9_client_rpc()\nfinishes.\n\nFix this issue by assigning default values to p9_fcall fields\nsuch as 'tag' and (just in case KMSAN unearths something new) 'id'\nduring the tag allocation stage."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/9p/client.c"], "versions": [{"version": "348b59012e5c6402741d067cf6eeeb6271999d06", "lessThan": "72c5d8e416ecc46af370a1340b3db5ff0b0cc867", "status": "affected", "versionType": "git"}, {"version": "348b59012e5c6402741d067cf6eeeb6271999d06", "lessThan": "2101901dd58c6da4924bc5efb217a1d83436290b", "status": "affected", "versionType": "git"}, {"version": "348b59012e5c6402741d067cf6eeeb6271999d06", "lessThan": "124947855564572713d705a13be7d0c9dae16a17", "status": "affected", "versionType": "git"}, {"version": "348b59012e5c6402741d067cf6eeeb6271999d06", "lessThan": "89969ffbeb948ffc159d19252e7469490103011b", "status": "affected", "versionType": "git"}, {"version": "348b59012e5c6402741d067cf6eeeb6271999d06", "lessThan": "ca71f204711ad24113e8b344dc5bb8b0385f5672", "status": "affected", "versionType": "git"}, {"version": "348b59012e5c6402741d067cf6eeeb6271999d06", "lessThan": "6c1791130b781c843572fb6391c4a4c5d857ab17", "status": "affected", "versionType": "git"}, {"version": "348b59012e5c6402741d067cf6eeeb6271999d06", "lessThan": "fe5c604053c36c62af24eee8a76407d026ea5163", "status": "affected", "versionType": "git"}, {"version": "348b59012e5c6402741d067cf6eeeb6271999d06", "lessThan": "25460d6f39024cc3b8241b14c7ccf0d6f11a736a", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/9p/client.c"], "versions": [{"version": "3.2", "status": "affected"}, {"version": "0", "lessThan": "3.2", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.316", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.278", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.219", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.161", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.94", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.34", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.9.5", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.10", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/72c5d8e416ecc46af370a1340b3db5ff0b0cc867"}, {"url": "https://git.kernel.org/stable/c/2101901dd58c6da4924bc5efb217a1d83436290b"}, {"url": "https://git.kernel.org/stable/c/124947855564572713d705a13be7d0c9dae16a17"}, {"url": "https://git.kernel.org/stable/c/89969ffbeb948ffc159d19252e7469490103011b"}, {"url": "https://git.kernel.org/stable/c/ca71f204711ad24113e8b344dc5bb8b0385f5672"}, {"url": "https://git.kernel.org/stable/c/6c1791130b781c843572fb6391c4a4c5d857ab17"}, {"url": "https://git.kernel.org/stable/c/fe5c604053c36c62af24eee8a76407d026ea5163"}, {"url": "https://git.kernel.org/stable/c/25460d6f39024cc3b8241b14c7ccf0d6f11a736a"}], "title": "net/9p: fix uninit-value in p9_client_rpc()", "x_generator": {"engine": "bippy-5f407fcff5a0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-06-25T15:42:59.168505Z", "id": "CVE-2024-39301", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-25T15:43:08.345Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:19:20.748Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/72c5d8e416ecc46af370a1340b3db5ff0b0cc867", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/2101901dd58c6da4924bc5efb217a1d83436290b", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/124947855564572713d705a13be7d0c9dae16a17", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/89969ffbeb948ffc159d19252e7469490103011b", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ca71f204711ad24113e8b344dc5bb8b0385f5672", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/6c1791130b781c843572fb6391c4a4c5d857ab17", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/fe5c604053c36c62af24eee8a76407d026ea5163", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/25460d6f39024cc3b8241b14c7ccf0d6f11a736a", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/72c5d8e416ecc46af370a1340b3db5ff0b0cc867", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/2101901dd58c6da4924bc5efb217a1d83436290b", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/124947855564572713d705a13be7d0c9dae16a17", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/89969ffbeb948ffc159d19252e7469490103011b", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ca71f204711ad24113e8b344dc5bb8b0385f5672", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/6c1791130b781c843572fb6391c4a4c5d857ab17", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/fe5c604053c36c62af24eee8a76407d026ea5163", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/25460d6f39024cc3b8241b14c7ccf0d6f11a736a", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:19:20.748Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-39301", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-06-25T15:42:59.168505Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-25T15:43:05.104Z"}}], "cna": {"title": "net/9p: fix uninit-value in p9_client_rpc()", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "348b59012e5c6402741d067cf6eeeb6271999d06", "lessThan": "72c5d8e416ecc46af370a1340b3db5ff0b0cc867", "versionType": "git"}, {"status": "affected", "version": "348b59012e5c6402741d067cf6eeeb6271999d06", "lessThan": "2101901dd58c6da4924bc5efb217a1d83436290b", "versionType": "git"}, {"status": "affected", "version": "348b59012e5c6402741d067cf6eeeb6271999d06", "lessThan": "124947855564572713d705a13be7d0c9dae16a17", "versionType": "git"}, {"status": "affected", "version": "348b59012e5c6402741d067cf6eeeb6271999d06", "lessThan": "89969ffbeb948ffc159d19252e7469490103011b", "versionType": "git"}, {"status": "affected", "version": "348b59012e5c6402741d067cf6eeeb6271999d06", "lessThan": "ca71f204711ad24113e8b344dc5bb8b0385f5672", "versionType": "git"}, {"status": "affected", "version": "348b59012e5c6402741d067cf6eeeb6271999d06", "lessThan": "6c1791130b781c843572fb6391c4a4c5d857ab17", "versionType": "git"}, {"status": "affected", "version": "348b59012e5c6402741d067cf6eeeb6271999d06", "lessThan": "fe5c604053c36c62af24eee8a76407d026ea5163", "versionType": "git"}, {"status": "affected", "version": "348b59012e5c6402741d067cf6eeeb6271999d06", "lessThan": "25460d6f39024cc3b8241b14c7ccf0d6f11a736a", "versionType": "git"}], "programFiles": ["net/9p/client.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.2"}, {"status": "unaffected", "version": "0", "lessThan": "3.2", "versionType": "semver"}, {"status": "unaffected", "version": "4.19.316", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.278", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.219", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.161", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.94", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.34", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.9.5", "versionType": "semver", "lessThanOrEqual": "6.9.*"}, {"status": "unaffected", "version": "6.10", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/9p/client.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/72c5d8e416ecc46af370a1340b3db5ff0b0cc867"}, {"url": "https://git.kernel.org/stable/c/2101901dd58c6da4924bc5efb217a1d83436290b"}, {"url": "https://git.kernel.org/stable/c/124947855564572713d705a13be7d0c9dae16a17"}, {"url": "https://git.kernel.org/stable/c/89969ffbeb948ffc159d19252e7469490103011b"}, {"url": "https://git.kernel.org/stable/c/ca71f204711ad24113e8b344dc5bb8b0385f5672"}, {"url": "https://git.kernel.org/stable/c/6c1791130b781c843572fb6391c4a4c5d857ab17"}, {"url": "https://git.kernel.org/stable/c/fe5c604053c36c62af24eee8a76407d026ea5163"}, {"url": "https://git.kernel.org/stable/c/25460d6f39024cc3b8241b14c7ccf0d6f11a736a"}], "x_generator": {"engine": "bippy-5f407fcff5a0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/9p: fix uninit-value in p9_client_rpc()\n\nSyzbot with the help of KMSAN reported the following error:\n\nBUG: KMSAN: uninit-value in trace_9p_client_res include/trace/events/9p.h:146 [inline]\nBUG: KMSAN: uninit-value in p9_client_rpc+0x1314/0x1340 net/9p/client.c:754\n trace_9p_client_res include/trace/events/9p.h:146 [inline]\n p9_client_rpc+0x1314/0x1340 net/9p/client.c:754\n p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031\n v9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410\n v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122\n legacy_get_tree+0x114/0x290 fs/fs_context.c:662\n vfs_get_tree+0xa7/0x570 fs/super.c:1797\n do_new_mount+0x71f/0x15e0 fs/namespace.c:3352\n path_mount+0x742/0x1f20 fs/namespace.c:3679\n do_mount fs/namespace.c:3692 [inline]\n __do_sys_mount fs/namespace.c:3898 [inline]\n __se_sys_mount+0x725/0x810 fs/namespace.c:3875\n __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875\n do_syscall_64+0xd5/0x1f0\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nUninit was created at:\n __alloc_pages+0x9d6/0xe70 mm/page_alloc.c:4598\n __alloc_pages_node include/linux/gfp.h:238 [inline]\n alloc_pages_node include/linux/gfp.h:261 [inline]\n alloc_slab_page mm/slub.c:2175 [inline]\n allocate_slab mm/slub.c:2338 [inline]\n new_slab+0x2de/0x1400 mm/slub.c:2391\n ___slab_alloc+0x1184/0x33d0 mm/slub.c:3525\n __slab_alloc mm/slub.c:3610 [inline]\n __slab_alloc_node mm/slub.c:3663 [inline]\n slab_alloc_node mm/slub.c:3835 [inline]\n kmem_cache_alloc+0x6d3/0xbe0 mm/slub.c:3852\n p9_tag_alloc net/9p/client.c:278 [inline]\n p9_client_prepare_req+0x20a/0x1770 net/9p/client.c:641\n p9_client_rpc+0x27e/0x1340 net/9p/client.c:688\n p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031\n v9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410\n v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122\n legacy_get_tree+0x114/0x290 fs/fs_context.c:662\n vfs_get_tree+0xa7/0x570 fs/super.c:1797\n do_new_mount+0x71f/0x15e0 fs/namespace.c:3352\n path_mount+0x742/0x1f20 fs/namespace.c:3679\n do_mount fs/namespace.c:3692 [inline]\n __do_sys_mount fs/namespace.c:3898 [inline]\n __se_sys_mount+0x725/0x810 fs/namespace.c:3875\n __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875\n do_syscall_64+0xd5/0x1f0\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nIf p9_check_errors() fails early in p9_client_rpc(), req->rc.tag\nwill not be properly initialized. However, trace_9p_client_res()\nends up trying to print it out anyway before p9_client_rpc()\nfinishes.\n\nFix this issue by assigning default values to p9_fcall fields\nsuch as 'tag' and (just in case KMSAN unearths something new) 'id'\nduring the tag allocation stage."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T09:06:33.888Z"}}}, "cveMetadata": {"cveId": "CVE-2024-39301", "state": "PUBLISHED", "dateUpdated": "2024-12-19T09:06:33.888Z", "dateReserved": "2024-06-24T13:53:25.535Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-06-25T14:22:41.566Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CCF5D1C7-721B-4F6D-A174-0C49C221A367", "versionEndExcluding": "4.19.316", "versionStartIncluding": "3.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "7FDBF235-DA18-49A1-8690-6C7272FD0701", "versionEndExcluding": "5.4.278", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E9063AF3-D593-43B7-810D-58B87F82F9F9", "versionEndExcluding": "5.10.219", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "31130639-53FE-4726-8986-434EE2528CB2", "versionEndExcluding": "5.15.161", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9D20DE32-76F8-4E4C-A8DF-5B53082D18E5", "versionEndExcluding": "6.1.94", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6BD9DCFD-0342-4039-B8CE-70F26DB7173B", "versionEndExcluding": "6.6.34", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8366481F-770F-4850-9D0F-2977BD97D5C5", "versionEndExcluding": "6.9.5", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:*", "matchCriteriaId": "2EBB4392-5FA6-4DA9-9772-8F9C750109FA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/9p: fix uninit-value in p9_client_rpc()\n\nSyzbot with the help of KMSAN reported the following error:\n\nBUG: KMSAN: uninit-value in trace_9p_client_res include/trace/events/9p.h:146 [inline]\nBUG: KMSAN: uninit-value in p9_client_rpc+0x1314/0x1340 net/9p/client.c:754\n trace_9p_client_res include/trace/events/9p.h:146 [inline]\n p9_client_rpc+0x1314/0x1340 net/9p/client.c:754\n p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031\n v9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410\n v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122\n legacy_get_tree+0x114/0x290 fs/fs_context.c:662\n vfs_get_tree+0xa7/0x570 fs/super.c:1797\n do_new_mount+0x71f/0x15e0 fs/namespace.c:3352\n path_mount+0x742/0x1f20 fs/namespace.c:3679\n do_mount fs/namespace.c:3692 [inline]\n __do_sys_mount fs/namespace.c:3898 [inline]\n __se_sys_mount+0x725/0x810 fs/namespace.c:3875\n __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875\n do_syscall_64+0xd5/0x1f0\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nUninit was created at:\n __alloc_pages+0x9d6/0xe70 mm/page_alloc.c:4598\n __alloc_pages_node include/linux/gfp.h:238 [inline]\n alloc_pages_node include/linux/gfp.h:261 [inline]\n alloc_slab_page mm/slub.c:2175 [inline]\n allocate_slab mm/slub.c:2338 [inline]\n new_slab+0x2de/0x1400 mm/slub.c:2391\n ___slab_alloc+0x1184/0x33d0 mm/slub.c:3525\n __slab_alloc mm/slub.c:3610 [inline]\n __slab_alloc_node mm/slub.c:3663 [inline]\n slab_alloc_node mm/slub.c:3835 [inline]\n kmem_cache_alloc+0x6d3/0xbe0 mm/slub.c:3852\n p9_tag_alloc net/9p/client.c:278 [inline]\n p9_client_prepare_req+0x20a/0x1770 net/9p/client.c:641\n p9_client_rpc+0x27e/0x1340 net/9p/client.c:688\n p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031\n v9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410\n v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122\n legacy_get_tree+0x114/0x290 fs/fs_context.c:662\n vfs_get_tree+0xa7/0x570 fs/super.c:1797\n do_new_mount+0x71f/0x15e0 fs/namespace.c:3352\n path_mount+0x742/0x1f20 fs/namespace.c:3679\n do_mount fs/namespace.c:3692 [inline]\n __do_sys_mount fs/namespace.c:3898 [inline]\n __se_sys_mount+0x725/0x810 fs/namespace.c:3875\n __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875\n do_syscall_64+0xd5/0x1f0\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nIf p9_check_errors() fails early in p9_client_rpc(), req->rc.tag\nwill not be properly initialized. However, trace_9p_client_res()\nends up trying to print it out anyway before p9_client_rpc()\nfinishes.\n\nFix this issue by assigning default values to p9_fcall fields\nsuch as 'tag' and (just in case KMSAN unearths something new) 'id'\nduring the tag allocation stage."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: net/9p: corrige el valor uninit en p9_client_rpc() Syzbot con la ayuda de KMSAN inform\u00f3 el siguiente error: ERROR: KMSAN: valor uninit en trace_9p_client_res include/trace/events/ 9p.h:146 [en l\u00ednea] ERROR: KMSAN: valor uninit en p9_client_rpc+0x1314/0x1340 net/9p/client.c:754 trace_9p_client_res include/trace/events/9p.h:146 [en l\u00ednea] p9_client_rpc+0x1314/0x1340 net/9p/client.c:754 p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031 v9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410 v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c: 122 Legacy_get_tree+0x114/0x290 fs/fs_context.c:662 vfs_get_tree+0xa7/0x570 fs/super.c:1797 do_new_mount+0x71f/0x15e0 fs/namespace.c:3352 path_mount+0x742/0x1f20 fs/namespace.c:3679 montar fs/namespace.c:3692 [en l\u00ednea] __do_sys_mount fs/namespace.c:3898 [en l\u00ednea] __se_sys_mount+0x725/0x810 fs/namespace.c:3875 __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875 do_syscall_64+0xd5/ 0x1f0 Entry_SYSCALL_64_after_hwframe+0x6d/0x75 Uninit se cre\u00f3 en: __alloc_pages+0x9d6/0xe70 mm/page_alloc.c:4598 __alloc_pages_node include/linux/gfp.h:238 [en l\u00ednea] alloc_pages_node include/linux/gfp.h:261 [en l\u00ednea] p\u00e1gina mm /slub.c:2175 [en l\u00ednea] allocate_slab mm/slub.c:2338 [en l\u00ednea] new_slab+0x2de/0x1400 mm/slub.c:2391 ___slab_alloc+0x1184/0x33d0 mm/slub.c:3525 __slab_alloc mm/slub.c :3610 [en l\u00ednea] __slab_alloc_node mm/slub.c:3663 [en l\u00ednea] slab_alloc_node mm/slub.c:3835 [en l\u00ednea] kmem_cache_alloc+0x6d3/0xbe0 mm/slub.c:3852 p9_tag_alloc net/9p/client.c:278 [ en l\u00ednea] p9_client_prepare_req+0x20a/0x1770 net/9p/client.c:641 p9_client_rpc+0x27e/0x1340 net/9p/client.c:688 p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031 1b9/0x28e0fs /9p/v9fs.c:410 v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122 Legacy_get_tree+0x114/0x290 fs/fs_context.c:662 vfs_get_tree+0xa7/0x570 fs/super.c:1797 do_new_mount+0x71f/ 0x15e0 fs/namespace.c:3352 path_mount+0x742/0x1f20 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [en l\u00ednea] __do_sys_mount fs/namespace.c:3898 [en l\u00ednea] __se_sys_mount+0x725/0x810 fs/namespace .c: 3875 __x64_sys_mount+0xe4/0x150 fs/namespace.c: 3875 do_syscall_64+0xd5/0x1f0 entry_syscall_64_after_hwframe+0x6d/0x75 if p9_check_errors () fails en p9_client no se inicialice correctamente. Sin embargo, trace_9p_client_res() termina intentando imprimirlo de todos modos antes de que finalice p9_client_rpc(). Solucione este problema asignando valores predeterminados a los campos p9_fcall como 'etiqueta' y (en caso de que KMSAN descubra algo nuevo) 'id' durante la etapa de asignaci\u00f3n de etiquetas."}], "id": "CVE-2024-39301", "lastModified": "2024-11-21T09:27:25.003", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}]}, "published": "2024-06-25T15:15:14.240", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/124947855564572713d705a13be7d0c9dae16a17"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2101901dd58c6da4924bc5efb217a1d83436290b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/25460d6f39024cc3b8241b14c7ccf0d6f11a736a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6c1791130b781c843572fb6391c4a4c5d857ab17"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/72c5d8e416ecc46af370a1340b3db5ff0b0cc867"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/89969ffbeb948ffc159d19252e7469490103011b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ca71f204711ad24113e8b344dc5bb8b0385f5672"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fe5c604053c36c62af24eee8a76407d026ea5163"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/124947855564572713d705a13be7d0c9dae16a17"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2101901dd58c6da4924bc5efb217a1d83436290b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/25460d6f39024cc3b8241b14c7ccf0d6f11a736a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6c1791130b781c843572fb6391c4a4c5d857ab17"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/72c5d8e416ecc46af370a1340b3db5ff0b0cc867"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/89969ffbeb948ffc159d19252e7469490103011b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ca71f204711ad24113e8b344dc5bb8b0385f5672"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fe5c604053c36c62af24eee8a76407d026ea5163"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-665"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net/9p: fix uninit-value in p9_client_rpc()", "id": "2294264", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2294264"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-665", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet/9p: fix uninit-value in p9_client_rpc()\nSyzbot with the help of KMSAN reported the following error:\nBUG: KMSAN: uninit-value in trace_9p_client_res include/trace/events/9p.h:146 [inline]\nBUG: KMSAN: uninit-value in p9_client_rpc+0x1314/0x1340 net/9p/client.c:754\ntrace_9p_client_res include/trace/events/9p.h:146 [inline]\np9_client_rpc+0x1314/0x1340 net/9p/client.c:754\np9_client_create+0x1551/0x1ff0 net/9p/client.c:1031\nv9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410\nv9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122\nlegacy_get_tree+0x114/0x290 fs/fs_context.c:662\nvfs_get_tree+0xa7/0x570 fs/super.c:1797\ndo_new_mount+0x71f/0x15e0 fs/namespace.c:3352\npath_mount+0x742/0x1f20 fs/namespace.c:3679\ndo_mount fs/namespace.c:3692 [inline]\n__do_sys_mount fs/namespace.c:3898 [inline]\n__se_sys_mount+0x725/0x810 fs/namespace.c:3875\n__x64_sys_mount+0xe4/0x150 fs/namespace.c:3875\ndo_syscall_64+0xd5/0x1f0\nentry_SYSCALL_64_after_hwframe+0x6d/0x75\nUninit was created at:\n__alloc_pages+0x9d6/0xe70 mm/page_alloc.c:4598\n__alloc_pages_node include/linux/gfp.h:238 [inline]\nalloc_pages_node include/linux/gfp.h:261 [inline]\nalloc_slab_page mm/slub.c:2175 [inline]\nallocate_slab mm/slub.c:2338 [inline]\nnew_slab+0x2de/0x1400 mm/slub.c:2391\n___slab_alloc+0x1184/0x33d0 mm/slub.c:3525\n__slab_alloc mm/slub.c:3610 [inline]\n__slab_alloc_node mm/slub.c:3663 [inline]\nslab_alloc_node mm/slub.c:3835 [inline]\nkmem_cache_alloc+0x6d3/0xbe0 mm/slub.c:3852\np9_tag_alloc net/9p/client.c:278 [inline]\np9_client_prepare_req+0x20a/0x1770 net/9p/client.c:641\np9_client_rpc+0x27e/0x1340 net/9p/client.c:688\np9_client_create+0x1551/0x1ff0 net/9p/client.c:1031\nv9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410\nv9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122\nlegacy_get_tree+0x114/0x290 fs/fs_context.c:662\nvfs_get_tree+0xa7/0x570 fs/super.c:1797\ndo_new_mount+0x71f/0x15e0 fs/namespace.c:3352\npath_mount+0x742/0x1f20 fs/namespace.c:3679\ndo_mount fs/namespace.c:3692 [inline]\n__do_sys_mount fs/namespace.c:3898 [inline]\n__se_sys_mount+0x725/0x810 fs/namespace.c:3875\n__x64_sys_mount+0xe4/0x150 fs/namespace.c:3875\ndo_syscall_64+0xd5/0x1f0\nentry_SYSCALL_64_after_hwframe+0x6d/0x75\nIf p9_check_errors() fails early in p9_client_rpc(), req->rc.tag\nwill not be properly initialized. However, trace_9p_client_res()\nends up trying to print it out anyway before p9_client_rpc()\nfinishes.\nFix this issue by assigning default values to p9_fcall fields\nsuch as 'tag' and (just in case KMSAN unearths something new) 'id'\nduring the tag allocation stage."], "name": "CVE-2024-39301", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-06-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-39301\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-39301\nhttps://lore.kernel.org/linux-cve-announce/2024062549-CVE-2024-39301-6610@gregkh/T"], "threat_severity": "Low", "upstream_fix": "kernel 4.19.316, kernel 5.4.278, kernel 5.10.219, kernel 5.15.161, kernel 6.1.94, kernel 6.6.34, kernel 6.9.5, kernel 6.10-rc2"}