{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2023-0266", "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778", "state": "PUBLISHED", "assignerShortName": "Google", "dateReserved": "2023-01-13T07:58:13.390Z", "datePublished": "2023-01-30T13:09:32.141Z", "dateUpdated": "2025-10-21T23:15:27.844Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "packageName": "ALSA pcm", "product": "Linux Kernel", "repo": "https://git.kernel.org", "vendor": "Linux", "versions": [ { "lessThan": "56b88b50565cd8b946a2d00b0c83927b7ebb055e", "status": "affected", "version": "4.14", "versionType": "git" } ] } ], "datePublic": "2023-01-13T00:00:00.000Z", "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_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 56b88b50565cd8b946a2d00b0c83927b7ebb055e
" } ], "value": "A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_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 56b88b50565cd8b946a2d00b0c83927b7ebb055e" } ], "impacts": [ { "capecId": "CAPEC-233", "descriptions": [ { "lang": "en", "value": "CAPEC-233 Privilege Escalation" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.9, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:H", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-416", "description": "CWE-416 Use After Free", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "14ed7db2-1595-443d-9d34-6215bf890778", "shortName": "Google", "dateUpdated": "2023-05-03T13:06:14.455Z" }, "references": [ { "url": "https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a02e1" }, { "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" }, { "url": "https://github.com/torvalds/linux/commit/56b88b50565cd8b946a2d00b0c83927b7ebb055e" }, { "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html" } ], "source": { "discovery": "UNKNOWN" }, "title": "Use after free in SNDRV_CTL_IOCTL_ELEM in Linux Kernel", "x_generator": { "engine": "Vulnogram 0.1.0-dev" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T05:02:44.150Z" }, "title": "CVE Program Container", "references": [ { "url": "https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a02e1", "tags": [ "x_transferred" ] }, { "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": [ "x_transferred" ] }, { "url": "https://github.com/torvalds/linux/commit/56b88b50565cd8b946a2d00b0c83927b7ebb055e", "tags": [ "x_transferred" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html", "tags": [ "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2023-0266", "role": "CISA Coordinator", "options": [ { "Exploitation": "active" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "version": "2.0.3", "timestamp": "2025-01-29T15:07:49.761602Z" } } }, { "other": { "type": "kev", "content": { "dateAdded": "2023-03-30", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-0266" } } } ], "references": [ { "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-0266", "tags": [ "government-resource" ] } ], "timeline": [ { "time": "2023-03-30T00:00:00.000Z", "lang": "en", "value": "CVE-2023-0266 added to CISA KEV" } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-21T23:15:27.844Z" } } ] } }