CVE-2024-43888

{"id": "CVE-2024-43888", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2024-08-26T11:15:03.930", "references": [{"url": "https://git.kernel.org/stable/c/4589f77c18dd98b65f45617b6d1e95313cf6fcab", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5161b48712dcd08ec427c450399d4d1483e21dea", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: list_lru: fix UAF for memory cgroup\n\nThe mem_cgroup_from_slab_obj() is supposed to be called under rcu lock or\ncgroup_mutex or others which could prevent returned memcg from being\nfreed. Fix it by adding missing rcu read lock.\n\nFound by code inspection.\n\n[songmuchun@bytedance.com: only grab rcu lock when necessary, per Vlastimil]\n Link: https://lkml.kernel.org/r/20240801024603.1865-1-songmuchun@bytedance.com"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mm: list_lru: corrige UAF para memoria cgroup Se supone que mem_cgroup_from_slab_obj() debe llamarse bajo rcu lock o cgroup_mutex u otros, lo que podr\u00eda impedir que se libere el memcg devuelto. Solucionarlo agregando el bloqueo de lectura rcu que falta. Encontrado mediante inspecci\u00f3n de c\u00f3digo. [songmuchun@bytedance.com: solo tome el bloqueo rcu cuando sea necesario, seg\u00fan Vlastimil] Enlace: https://lkml.kernel.org/r/20240801024603.1865-1-songmuchun@bytedance.com"}], "lastModified": "2024-08-27T14:37:52.610", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "48E239A0-A959-4FAB-8475-D045FED3DDA5", "versionEndExcluding": "6.10.5", "versionStartIncluding": "6.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8B3CE743-2126-47A3-8B7C-822B502CF119"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4DEB27E7-30AA-45CC-8934-B89263EF3551"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}