{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-52939", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-08-21T06:07:11.022Z", "datePublished": "2025-03-27T16:37:18.026Z", "dateUpdated": "2025-03-27T16:37:18.026Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-03-27T16:37:18.026Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: memcg: fix NULL pointer in mem_cgroup_track_foreign_dirty_slowpath()\n\nAs commit 18365225f044 (\"hwpoison, memcg: forcibly uncharge LRU pages\"),\nhwpoison will forcibly uncharg a LRU hwpoisoned page, the folio_memcg\ncould be NULl, then, mem_cgroup_track_foreign_dirty_slowpath() could\noccurs a NULL pointer dereference, let's do not record the foreign\nwritebacks for folio memcg is null in mem_cgroup_track_foreign_dirty() to\nfix it."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/linux/memcontrol.h"], "versions": [{"version": "97b27821b4854ca744946dae32a3f2fd55bcd5bc", "lessThan": "b79ba5953f6fdc5559389ad415620bffc24f024b", "status": "affected", "versionType": "git"}, {"version": "97b27821b4854ca744946dae32a3f2fd55bcd5bc", "lessThan": "ac86f547ca1002aec2ef66b9e64d03f45bbbfbb9", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/linux/memcontrol.h"], "versions": [{"version": "5.4", "status": "affected"}, {"version": "0", "lessThan": "5.4", "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"}]}], "references": [{"url": "https://git.kernel.org/stable/c/b79ba5953f6fdc5559389ad415620bffc24f024b"}, {"url": "https://git.kernel.org/stable/c/ac86f547ca1002aec2ef66b9e64d03f45bbbfbb9"}], "title": "mm: memcg: fix NULL pointer in mem_cgroup_track_foreign_dirty_slowpath()", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3B743F39-04F9-4245-9ADB-C26177A95CFB", "versionEndExcluding": "6.1.11", "versionStartIncluding": "5.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*", "matchCriteriaId": "FF501633-2F44-4913-A8EE-B021929F49F6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*", "matchCriteriaId": "2BDA597B-CAC1-4DF0-86F0-42E142C654E9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*", "matchCriteriaId": "725C78C9-12CE-406F-ABE8-0813A01D66E8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:*", "matchCriteriaId": "A127C155-689C-4F67-B146-44A57F4BFD85", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:*", "matchCriteriaId": "D34127CC-68F5-4703-A5F6-5006F803E4AE", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc6:*:*:*:*:*:*", "matchCriteriaId": "4AB8D555-648E-4F2F-98BD-3E7F45BD12A8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: memcg: fix NULL pointer in mem_cgroup_track_foreign_dirty_slowpath()\n\nAs commit 18365225f044 (\"hwpoison, memcg: forcibly uncharge LRU pages\"),\nhwpoison will forcibly uncharg a LRU hwpoisoned page, the folio_memcg\ncould be NULl, then, mem_cgroup_track_foreign_dirty_slowpath() could\noccurs a NULL pointer dereference, let's do not record the foreign\nwritebacks for folio memcg is null in mem_cgroup_track_foreign_dirty() to\nfix it."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mm: memcg: corregir puntero NULL en mem_cgroup_track_foreign_dirty_slowpath() Como confirmaci\u00f3n 18365225f044 (\"hwpoison, memcg: descargar a la fuerza p\u00e1ginas LRU\"), hwpoison descargar\u00e1 a la fuerza una p\u00e1gina LRU hwpoisoned, folio_memcg podr\u00eda ser NUL, luego, mem_cgroup_track_foreign_dirty_slowpath() podr\u00eda producir una desreferencia de puntero NULL, no registremos las reescrituras externas para folio memcg es nulo en mem_cgroup_track_foreign_dirty() para solucionarlo."}], "id": "CVE-2023-52939", "lastModified": "2025-04-15T14:46:06.930", "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": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-03-27T17:15:43.803", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ac86f547ca1002aec2ef66b9e64d03f45bbbfbb9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b79ba5953f6fdc5559389ad415620bffc24f024b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: mm: memcg: fix NULL pointer in mem_cgroup_track_foreign_dirty_slowpath()", "id": "2355456", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2355456"}, "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:\nmm: memcg: fix NULL pointer in mem_cgroup_track_foreign_dirty_slowpath()\nAs commit 18365225f044 (\"hwpoison, memcg: forcibly uncharge LRU pages\"),\nhwpoison will forcibly uncharg a LRU hwpoisoned page, the folio_memcg\ncould be NULl, then, mem_cgroup_track_foreign_dirty_slowpath() could\noccurs a NULL pointer dereference, let's do not record the foreign\nwritebacks for folio memcg is null in mem_cgroup_track_foreign_dirty() to\nfix it."], "name": "CVE-2023-52939", "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": "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "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": "2025-03-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52939\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52939\nhttps://lore.kernel.org/linux-cve-announce/2025032722-CVE-2023-52939-8bb1@gregkh/T"], "threat_severity": "Low"}