{"id":"CVE-2023-0386","details":"A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalate their privileges on the system.","modified":"2026-03-13T06:49:46.999766Z","published":"2023-03-22T21:15:18.090Z","related":["ALSA-2023:1566","ALSA-2023:1584","ALSA-2023:1691","ALSA-2023:1703","SUSE-SU-2023:2140-1","SUSE-SU-2023:2141-1","SUSE-SU-2023:2231-1","SUSE-SU-2023:2368-1","SUSE-SU-2023:2369-1","SUSE-SU-2023:2371-1","SUSE-SU-2023:2384-1","SUSE-SU-2023:2425-1","SUSE-SU-2023:2428-1","SUSE-SU-2023:2431-1","SUSE-SU-2023:2443-1","SUSE-SU-2023:2455-1","SUSE-SU-2023:2459-1","SUSE-SU-2023:2468-1","SUSE-SU-2023:2809-1"],"references":[{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-0386"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230420-0004/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5402"},{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-0386.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"20.04"}]},{"events":[{"introduced":"0"},{"last_affected":"22.04"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.15.91"}]},{"events":[{"introduced":"5.16"},{"fixed":"6.1.9"}]},{"events":[{"introduced":"0"},{"last_affected":"6.2-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"6.2-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"6.2-rc3"}]},{"events":[{"introduced":"0"},{"last_affected":"6.2-rc4"}]},{"events":[{"introduced":"0"},{"last_affected":"6.2-rc5"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}