{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-50165", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T19:36:19.962Z", "datePublished": "2024-11-07T09:31:41.923Z", "dateUpdated": "2024-12-19T09:34:28.862Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T09:34:28.862Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Preserve param->string when parsing mount options\n\nIn bpf_parse_param(), keep the value of param->string intact so it can\nbe freed later. Otherwise, the kmalloc area pointed to by param->string\nwill be leaked as shown below:\n\nunreferenced object 0xffff888118c46d20 (size 8):\n comm \"new_name\", pid 12109, jiffies 4295580214\n hex dump (first 8 bytes):\n 61 6e 79 00 38 c9 5c 7e any.8.\\~\n backtrace (crc e1b7f876):\n [<00000000c6848ac7>] kmemleak_alloc+0x4b/0x80\n [<00000000de9f7d00>] __kmalloc_node_track_caller_noprof+0x36e/0x4a0\n [<000000003e29b886>] memdup_user+0x32/0xa0\n [<0000000007248326>] strndup_user+0x46/0x60\n [<0000000035b3dd29>] __x64_sys_fsconfig+0x368/0x3d0\n [<0000000018657927>] x64_sys_call+0xff/0x9f0\n [<00000000c0cabc95>] do_syscall_64+0x3b/0xc0\n [<000000002f331597>] entry_SYSCALL_64_after_hwframe+0x4b/0x53"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/inode.c"], "versions": [{"version": "6c1752e0b6ca8c7021d6da3926738d8d88f601a9", "lessThan": "5d7a0a426540319327309035509cb768a2f5c2c4", "status": "affected", "versionType": "git"}, {"version": "6c1752e0b6ca8c7021d6da3926738d8d88f601a9", "lessThan": "1f97c03f43fadc407de5b5cb01c07755053e1c22", "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/bpf/inode.c"], "versions": [{"version": "6.9", "status": "affected"}, {"version": "0", "lessThan": "6.9", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.6", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/5d7a0a426540319327309035509cb768a2f5c2c4"}, {"url": "https://git.kernel.org/stable/c/1f97c03f43fadc407de5b5cb01c07755053e1c22"}], "title": "bpf: Preserve param->string when parsing mount options", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2132686D-AA83-479C-98CA-4B9F24436525", "versionEndExcluding": "6.11.6", "versionStartIncluding": "6.9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*", "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*", "matchCriteriaId": "925478D0-3E3D-4E6F-ACD5-09F28D5DF82C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*", "matchCriteriaId": "3C95E234-D335-4B6C-96BF-E2CEBD8654ED", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*", "matchCriteriaId": "E0F717D8-3014-4F84-8086-0124B2111379", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Preserve param->string when parsing mount options\n\nIn bpf_parse_param(), keep the value of param->string intact so it can\nbe freed later. Otherwise, the kmalloc area pointed to by param->string\nwill be leaked as shown below:\n\nunreferenced object 0xffff888118c46d20 (size 8):\n comm \"new_name\", pid 12109, jiffies 4295580214\n hex dump (first 8 bytes):\n 61 6e 79 00 38 c9 5c 7e any.8.\\~\n backtrace (crc e1b7f876):\n [<00000000c6848ac7>] kmemleak_alloc+0x4b/0x80\n [<00000000de9f7d00>] __kmalloc_node_track_caller_noprof+0x36e/0x4a0\n [<000000003e29b886>] memdup_user+0x32/0xa0\n [<0000000007248326>] strndup_user+0x46/0x60\n [<0000000035b3dd29>] __x64_sys_fsconfig+0x368/0x3d0\n [<0000000018657927>] x64_sys_call+0xff/0x9f0\n [<00000000c0cabc95>] do_syscall_64+0x3b/0xc0\n [<000000002f331597>] entry_SYSCALL_64_after_hwframe+0x4b/0x53"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bpf: preservar param-&gt;string al analizar las opciones de montaje. En bpf_parse_param(), mantenga intacto el valor de param-&gt;string para que pueda liberarse m\u00e1s tarde. De lo contrario, el \u00e1rea kmalloc a la que apunta param-&gt;string se filtrar\u00e1 como se muestra a continuaci\u00f3n: objeto sin referencia 0xffff888118c46d20 (tama\u00f1o 8): comm \"new_name\", pid 12109, jiffies 4295580214 volcado hexadecimal (primeros 8 bytes): 61 6e 79 00 38 c9 5c 7e any.8.\\~ backtrace (crc e1b7f876): [&lt;00000000c6848ac7&gt;] kmemleak_alloc+0x4b/0x80 [&lt;00000000de9f7d00&gt;] __kmalloc_node_track_caller_noprof+0x36e/0x4a0 [&lt;000000003e29b886&gt;] memdup_user+0x32/0xa0 [&lt;0000000007248326&gt;] strndup_user+0x46/0x60 [&lt;0000000035b3dd29&gt;] __x64_sys_fsconfig+0x368/0x3d0 [&lt;0000000018657927&gt;] x64_sys_call+0xff/0x9f0 [&lt;00000000c0cabc95&gt;] do_syscall_64+0x3b/0xc0 [&lt;000000002f331597&gt;] entrada_SYSCALL_64_after_hwframe+0x4b/0x53"}], "id": "CVE-2024-50165", "lastModified": "2024-11-22T16:53:05.527", "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": "2024-11-07T10:15:07.770", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1f97c03f43fadc407de5b5cb01c07755053e1c22"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5d7a0a426540319327309035509cb768a2f5c2c4"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: bpf: Preserve param->string when parsing mount options", "id": "2324319", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2324319"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-401", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbpf: Preserve param->string when parsing mount options\nIn bpf_parse_param(), keep the value of param->string intact so it can\nbe freed later. Otherwise, the kmalloc area pointed to by param->string\nwill be leaked as shown below:\nunreferenced object 0xffff888118c46d20 (size 8):\ncomm \"new_name\", pid 12109, jiffies 4295580214\nhex dump (first 8 bytes):\n61 6e 79 00 38 c9 5c 7e any.8.\\~\nbacktrace (crc e1b7f876):\n[<00000000c6848ac7>] kmemleak_alloc+0x4b/0x80\n[<00000000de9f7d00>] __kmalloc_node_track_caller_noprof+0x36e/0x4a0\n[<000000003e29b886>] memdup_user+0x32/0xa0\n[<0000000007248326>] strndup_user+0x46/0x60\n[<0000000035b3dd29>] __x64_sys_fsconfig+0x368/0x3d0\n[<0000000018657927>] x64_sys_call+0xff/0x9f0\n[<00000000c0cabc95>] do_syscall_64+0x3b/0xc0\n[<000000002f331597>] entry_SYSCALL_64_after_hwframe+0x4b/0x53"], "name": "CVE-2024-50165", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-11-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50165\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50165\nhttps://lore.kernel.org/linux-cve-announce/2024110748-CVE-2024-50165-5e80@gregkh/T"], "statement": "The default Red Hat Enterprise Linux kernel prevents unprivileged users from being able to use eBPF by the kernel.unprivileged_bpf_disabled sysctl. This would require a privileged user with CAP_SYS_ADMIN or root to be able to abuse this flaw reducing its attack space.\nFor the Red Hat Enterprise Linux 9 to confirm the current state, inspect the sysctl with the command:\ncat /proc/sys/kernel/unprivileged_bpf_disabled\nThe setting of 1 would mean that unprivileged users can not use eBPF, mitigating the flaw.", "threat_severity": "Moderate"}