CVE-2023-0266

{"id": "CVE-2023-0266", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "cve-coordination@google.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.9, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 6.0, "exploitabilityScore": 1.3}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.0, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.0}]}, "published": "2023-01-30T14:15:10.500", "references": [{"url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.10/alsa-pcm-move-rwsem-lock-inside-snd_ctl_elem_read-to-prevent-uaf.patch?id=72783cf35e6c55bca84c4bb7b776c58152856fd4", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "source": "cve-coordination@google.com"}, {"url": "https://github.com/torvalds/linux/commit/56b88b50565cd8b946a2d00b0c83927b7ebb055e", "tags": ["Patch"], "source": "cve-coordination@google.com"}, {"url": "https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a02e1", "tags": ["Patch"], "source": "cve-coordination@google.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve-coordination@google.com"}, {"url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.10/alsa-pcm-move-rwsem-lock-inside-snd_ctl_elem_read-to-prevent-uaf.patch?id=72783cf35e6c55bca84c4bb7b776c58152856fd4", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/torvalds/linux/commit/56b88b50565cd8b946a2d00b0c83927b7ebb055e", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a02e1", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-0266", "tags": ["US Government Resource"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "cve-coordination@google.com", "description": [{"lang": "en", "value": "CWE-416"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel.\u00a0SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit\u00a056b88b50565cd8b946a2d00b0c83927b7ebb055e"}, {"lang": "es", "value": "Existe una vulnerabilidad de Use-After-Free en el paquete ALSA PCM en el kernel de Linux. A SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 le faltan bloqueos que se pueden usar en un Use-After-Free que puede resultar en una escalada de privilegios para obtener acceso al anillo 0 por parte del usuario del sistema. Recomendamos actualizar al commit anterior 56b88b50565cd8b946a2d00b0c83927b7ebb055e"}], "lastModified": "2025-10-24T13:54:46.493", "cisaActionDue": "2023-04-20", "cisaExploitAdd": "2023-03-30", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E245BC6C-44BD-47D1-A03D-9FE1F29BB25A", "versionEndExcluding": "4.14.303", "versionStartIncluding": "4.14"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AE8904A3-99BE-4E49-9682-1F90A6373F4F", "versionEndExcluding": "4.19.270", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A0C0D95E-414A-445E-941B-3EF6A4D3A093", "versionEndExcluding": "5.4.229", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D05D31FC-BD74-4F9E-B1D8-9CED62BE6F65", "versionEndExcluding": "5.10.163", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D71B7395-3263-46DE-9341-53C437B49ADF", "versionEndExcluding": "5.15.88", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "04212AC4-FF1E-4F38-8AE9-53E2A69A00DC", "versionEndExcluding": "6.1.6", "versionStartIncluding": "5.16"}], "operator": "OR"}]}], "sourceIdentifier": "cve-coordination@google.com", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Linux Kernel Use-After-Free Vulnerability"}