{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-53160", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-11-19T17:17:25.002Z", "datePublished": "2024-12-24T11:29:00.964Z", "dateUpdated": "2024-12-24T11:29:00.964Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-24T11:29:00.964Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrcu/kvfree: Fix data-race in __mod_timer / kvfree_call_rcu\n\nKCSAN reports a data race when access the krcp->monitor_work.timer.expires\nvariable in the schedule_delayed_monitor_work() function:\n\n<snip>\nBUG: KCSAN: data-race in __mod_timer / kvfree_call_rcu\n\nread to 0xffff888237d1cce8 of 8 bytes by task 10149 on cpu 1:\n schedule_delayed_monitor_work kernel/rcu/tree.c:3520 [inline]\n kvfree_call_rcu+0x3b8/0x510 kernel/rcu/tree.c:3839\n trie_update_elem+0x47c/0x620 kernel/bpf/lpm_trie.c:441\n bpf_map_update_value+0x324/0x350 kernel/bpf/syscall.c:203\n generic_map_update_batch+0x401/0x520 kernel/bpf/syscall.c:1849\n bpf_map_do_batch+0x28c/0x3f0 kernel/bpf/syscall.c:5143\n __sys_bpf+0x2e5/0x7a0\n __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]\n __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]\n __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5739\n x64_sys_call+0x2625/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:322\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nwrite to 0xffff888237d1cce8 of 8 bytes by task 56 on cpu 0:\n __mod_timer+0x578/0x7f0 kernel/time/timer.c:1173\n add_timer_global+0x51/0x70 kernel/time/timer.c:1330\n __queue_delayed_work+0x127/0x1a0 kernel/workqueue.c:2523\n queue_delayed_work_on+0xdf/0x190 kernel/workqueue.c:2552\n queue_delayed_work include/linux/workqueue.h:677 [inline]\n schedule_delayed_monitor_work kernel/rcu/tree.c:3525 [inline]\n kfree_rcu_monitor+0x5e8/0x660 kernel/rcu/tree.c:3643\n process_one_work kernel/workqueue.c:3229 [inline]\n process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310\n worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391\n kthread+0x1d1/0x210 kernel/kthread.c:389\n ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\n\nReported by Kernel Concurrency Sanitizer on:\nCPU: 0 UID: 0 PID: 56 Comm: kworker/u8:4 Not tainted 6.12.0-rc2-syzkaller-00050-g5b7c893ed5ed #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\nWorkqueue: events_unbound kfree_rcu_monitor\n<snip>\n\nkfree_rcu_monitor() rearms the work if a \"krcp\" has to be still\noffloaded and this is done without holding krcp->lock, whereas\nthe kvfree_call_rcu() holds it.\n\nFix it by acquiring the \"krcp->lock\" for kfree_rcu_monitor() so\nboth functions do not race anymore."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/rcu/tree.c"], "versions": [{"version": "8fc5494ad5face62747a3937db66b00db1e5d80b", "lessThan": "967a0e61910825d1fad009d836a6cb41f7402395", "status": "affected", "versionType": "git"}, {"version": "8fc5494ad5face62747a3937db66b00db1e5d80b", "lessThan": "05b8ea1f16667f07c8e5843fb4bde3e49d49ead8", "status": "affected", "versionType": "git"}, {"version": "8fc5494ad5face62747a3937db66b00db1e5d80b", "lessThan": "5ced426d97ce84299ecfcc7bd8b38f975fd11089", "status": "affected", "versionType": "git"}, {"version": "8fc5494ad5face62747a3937db66b00db1e5d80b", "lessThan": "a23da88c6c80e41e0503e0b481a22c9eea63f263", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/rcu/tree.c"], "versions": [{"version": "6.3", "status": "affected"}, {"version": "0", "lessThan": "6.3", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.64", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.11", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.2", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/967a0e61910825d1fad009d836a6cb41f7402395"}, {"url": "https://git.kernel.org/stable/c/05b8ea1f16667f07c8e5843fb4bde3e49d49ead8"}, {"url": "https://git.kernel.org/stable/c/5ced426d97ce84299ecfcc7bd8b38f975fd11089"}, {"url": "https://git.kernel.org/stable/c/a23da88c6c80e41e0503e0b481a22c9eea63f263"}], "title": "rcu/kvfree: Fix data-race in __mod_timer / kvfree_call_rcu", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrcu/kvfree: Fix data-race in __mod_timer / kvfree_call_rcu\n\nKCSAN reports a data race when access the krcp->monitor_work.timer.expires\nvariable in the schedule_delayed_monitor_work() function:\n\n<snip>\nBUG: KCSAN: data-race in __mod_timer / kvfree_call_rcu\n\nread to 0xffff888237d1cce8 of 8 bytes by task 10149 on cpu 1:\n schedule_delayed_monitor_work kernel/rcu/tree.c:3520 [inline]\n kvfree_call_rcu+0x3b8/0x510 kernel/rcu/tree.c:3839\n trie_update_elem+0x47c/0x620 kernel/bpf/lpm_trie.c:441\n bpf_map_update_value+0x324/0x350 kernel/bpf/syscall.c:203\n generic_map_update_batch+0x401/0x520 kernel/bpf/syscall.c:1849\n bpf_map_do_batch+0x28c/0x3f0 kernel/bpf/syscall.c:5143\n __sys_bpf+0x2e5/0x7a0\n __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]\n __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]\n __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5739\n x64_sys_call+0x2625/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:322\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nwrite to 0xffff888237d1cce8 of 8 bytes by task 56 on cpu 0:\n __mod_timer+0x578/0x7f0 kernel/time/timer.c:1173\n add_timer_global+0x51/0x70 kernel/time/timer.c:1330\n __queue_delayed_work+0x127/0x1a0 kernel/workqueue.c:2523\n queue_delayed_work_on+0xdf/0x190 kernel/workqueue.c:2552\n queue_delayed_work include/linux/workqueue.h:677 [inline]\n schedule_delayed_monitor_work kernel/rcu/tree.c:3525 [inline]\n kfree_rcu_monitor+0x5e8/0x660 kernel/rcu/tree.c:3643\n process_one_work kernel/workqueue.c:3229 [inline]\n process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310\n worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391\n kthread+0x1d1/0x210 kernel/kthread.c:389\n ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\n\nReported by Kernel Concurrency Sanitizer on:\nCPU: 0 UID: 0 PID: 56 Comm: kworker/u8:4 Not tainted 6.12.0-rc2-syzkaller-00050-g5b7c893ed5ed #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\nWorkqueue: events_unbound kfree_rcu_monitor\n<snip>\n\nkfree_rcu_monitor() rearms the work if a \"krcp\" has to be still\noffloaded and this is done without holding krcp->lock, whereas\nthe kvfree_call_rcu() holds it.\n\nFix it by acquiring the \"krcp->lock\" for kfree_rcu_monitor() so\nboth functions do not race anymore."}], "id": "CVE-2024-53160", "lastModified": "2024-12-24T12:15:24.340", "metrics": {}, "published": "2024-12-24T12:15:24.340", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/05b8ea1f16667f07c8e5843fb4bde3e49d49ead8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5ced426d97ce84299ecfcc7bd8b38f975fd11089"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/967a0e61910825d1fad009d836a6cb41f7402395"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a23da88c6c80e41e0503e0b481a22c9eea63f263"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: rcu/kvfree: Fix data-race in __mod_timer / kvfree_call_rcu", "id": "2333982", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2333982"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nrcu/kvfree: Fix data-race in __mod_timer / kvfree_call_rcu\nKCSAN reports a data race when access the krcp->monitor_work.timer.expires\nvariable in the schedule_delayed_monitor_work() function:\n<snip>\nBUG: KCSAN: data-race in __mod_timer / kvfree_call_rcu\nread to 0xffff888237d1cce8 of 8 bytes by task 10149 on cpu 1:\nschedule_delayed_monitor_work kernel/rcu/tree.c:3520 [inline]\nkvfree_call_rcu+0x3b8/0x510 kernel/rcu/tree.c:3839\ntrie_update_elem+0x47c/0x620 kernel/bpf/lpm_trie.c:441\nbpf_map_update_value+0x324/0x350 kernel/bpf/syscall.c:203\ngeneric_map_update_batch+0x401/0x520 kernel/bpf/syscall.c:1849\nbpf_map_do_batch+0x28c/0x3f0 kernel/bpf/syscall.c:5143\n__sys_bpf+0x2e5/0x7a0\n__do_sys_bpf kernel/bpf/syscall.c:5741 [inline]\n__se_sys_bpf kernel/bpf/syscall.c:5739 [inline]\n__x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5739\nx64_sys_call+0x2625/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:322\ndo_syscall_x64 arch/x86/entry/common.c:52 [inline]\ndo_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83\nentry_SYSCALL_64_after_hwframe+0x77/0x7f\nwrite to 0xffff888237d1cce8 of 8 bytes by task 56 on cpu 0:\n__mod_timer+0x578/0x7f0 kernel/time/timer.c:1173\nadd_timer_global+0x51/0x70 kernel/time/timer.c:1330\n__queue_delayed_work+0x127/0x1a0 kernel/workqueue.c:2523\nqueue_delayed_work_on+0xdf/0x190 kernel/workqueue.c:2552\nqueue_delayed_work include/linux/workqueue.h:677 [inline]\nschedule_delayed_monitor_work kernel/rcu/tree.c:3525 [inline]\nkfree_rcu_monitor+0x5e8/0x660 kernel/rcu/tree.c:3643\nprocess_one_work kernel/workqueue.c:3229 [inline]\nprocess_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310\nworker_thread+0x51d/0x6f0 kernel/workqueue.c:3391\nkthread+0x1d1/0x210 kernel/kthread.c:389\nret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147\nret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\nReported by Kernel Concurrency Sanitizer on:\nCPU: 0 UID: 0 PID: 56 Comm: kworker/u8:4 Not tainted 6.12.0-rc2-syzkaller-00050-g5b7c893ed5ed #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\nWorkqueue: events_unbound kfree_rcu_monitor\n<snip>\nkfree_rcu_monitor() rearms the work if a \"krcp\" has to be still\noffloaded and this is done without holding krcp->lock, whereas\nthe kvfree_call_rcu() holds it.\nFix it by acquiring the \"krcp->lock\" for kfree_rcu_monitor() so\nboth functions do not race anymore."], "name": "CVE-2024-53160", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-12-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-53160\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-53160\nhttps://lore.kernel.org/linux-cve-announce/2024122431-CVE-2024-53160-692f@gregkh/T"], "threat_severity": "Low"}