{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-52940", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-08-21T06:07:11.022Z", "datePublished": "2025-03-27T16:37:18.691Z", "dateUpdated": "2025-05-04T07:46:26.824Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:46:26.824Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: multi-gen LRU: fix crash during cgroup migration\n\nlru_gen_migrate_mm() assumes lru_gen_add_mm() runs prior to itself. This\nisn't true for the following scenario:\n\n CPU 1 CPU 2\n\n clone()\n cgroup_can_fork()\n cgroup_procs_write()\n cgroup_post_fork()\n task_lock()\n lru_gen_migrate_mm()\n task_unlock()\n task_lock()\n lru_gen_add_mm()\n task_unlock()\n\nAnd when the above happens, kernel crashes because of linked list\ncorruption (mm_struct->lru_gen.list)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["mm/vmscan.c"], "versions": [{"version": "bd74fdaea146029e4fa12c6de89adbe0779348a9", "lessThan": "04448022311cebd30969d3aebdde765f1258b360", "status": "affected", "versionType": "git"}, {"version": "bd74fdaea146029e4fa12c6de89adbe0779348a9", "lessThan": "de08eaa6156405f2e9369f06ba5afae0e4ab3b62", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["mm/vmscan.c"], "versions": [{"version": "6.1", "status": "affected"}, {"version": "0", "lessThan": "6.1", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.11", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "6.1.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "6.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/04448022311cebd30969d3aebdde765f1258b360"}, {"url": "https://git.kernel.org/stable/c/de08eaa6156405f2e9369f06ba5afae0e4ab3b62"}], "title": "mm: multi-gen LRU: fix crash during cgroup migration", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: multi-gen LRU: fix crash during cgroup migration\n\nlru_gen_migrate_mm() assumes lru_gen_add_mm() runs prior to itself. This\nisn't true for the following scenario:\n\n CPU 1 CPU 2\n\n clone()\n cgroup_can_fork()\n cgroup_procs_write()\n cgroup_post_fork()\n task_lock()\n lru_gen_migrate_mm()\n task_unlock()\n task_lock()\n lru_gen_add_mm()\n task_unlock()\n\nAnd when the above happens, kernel crashes because of linked list\ncorruption (mm_struct->lru_gen.list)."}], "id": "CVE-2023-52940", "lastModified": "2025-03-28T18:11:49.747", "metrics": {}, "published": "2025-03-27T17:15:43.920", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/04448022311cebd30969d3aebdde765f1258b360"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/de08eaa6156405f2e9369f06ba5afae0e4ab3b62"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:2394", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.13.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-30T00:00:00Z"}, {"advisory": "RHSA-2024:2394", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.13.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-30T00:00:00Z"}], "bugzilla": {"description": "kernel: mm: multi-gen LRU: fix crash during cgroup migration", "id": "2355488", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2355488"}, "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": "verified"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmm: multi-gen LRU: fix crash during cgroup migration\nlru_gen_migrate_mm() assumes lru_gen_add_mm() runs prior to itself. This\nisn't true for the following scenario:\nCPU 1 CPU 2\nclone()\ncgroup_can_fork()\ncgroup_procs_write()\ncgroup_post_fork()\ntask_lock()\nlru_gen_migrate_mm()\ntask_unlock()\ntask_lock()\nlru_gen_add_mm()\ntask_unlock()\nAnd when the above happens, kernel crashes because of linked list\ncorruption (mm_struct->lru_gen.list)."], "name": "CVE-2023-52940", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "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": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-03-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52940\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52940\nhttps://lore.kernel.org/linux-cve-announce/2025032722-CVE-2023-52940-2e53@gregkh/T"], "threat_severity": "Moderate"}