CVE-2024-0443

{"id": "CVE-2024-0443", "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-01-12T00:15:45.230", "references": [{"url": "https://access.redhat.com/errata/RHSA-2023:6583", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:7077", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:7370", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2024-0443", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2257968", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://lore.kernel.org/linux-block/20221215033132.230023-3-longman@redhat.com/", "tags": ["Mailing List"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:6583", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/errata/RHSA-2023:7077", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/errata/RHSA-2023:7370", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/security/cve/CVE-2024-0443", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2257968", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lore.kernel.org/linux-block/20221215033132.230023-3-longman@redhat.com/", "tags": ["Mailing List"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-402"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-668"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in the blkgs destruction path in block/blk-cgroup.c in the Linux kernel, leading to a cgroup blkio memory leakage problem. When a cgroup is being destroyed, cgroup_rstat_flush() is only called at css_release_work_fn(), which is called when the blkcg reference count reaches 0. This circular dependency will prevent blkcg and some blkgs from being freed after they are made offline. This issue may allow an attacker with a local access to cause system instability, such as an out of memory error."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en la ruta de destrucci\u00f3n de blkgs en block/blk-cgroup.c en el kernel de Linux, lo que provoc\u00f3 un problema de p\u00e9rdida de memoria de cgroup blkio. Cuando se destruye un cgroup, cgroup_rstat_flush() solo se llama en css_release_work_fn(), que se llama cuando el recuento de referencias de blkcg llega a 0. Esta dependencia circular evitar\u00e1 que blkcg y algunos blkgs se liberen despu\u00e9s de desconectarse. Este problema puede permitir que un atacante con acceso local cause inestabilidad en el sistema, como un error de falta de memoria."}], "lastModified": "2024-11-21T08:46:36.010", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0F35D0CC-0461-4526-BC9C-091805061E47", "versionEndExcluding": "6.4", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.4:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "38BC6744-7D25-4C02-9966-B224CD071D30"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.4:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "76061B41-CAE9-4467-BEDE-0FFC7956F2A1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.4:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A717BA5B-D535-46A0-A329-A25FE5CEC588"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.4:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "89CC80C6-F1EE-4AC7-BD21-DB3217BADE87"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.4:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "41EACEA1-FB69-4AF2-BC52-D39489858D42"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.4:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9E1C36BE-F9D8-40B6-8281-5B8F9B42322D"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B8EDB836-4E6A-4B71-B9B2-AA3E03E0F646"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}