{"schema_version":"1.9.0","id":"CVE-2023-0386","published":"2023-03-22T00:00:00Z","modified":"2026-08-12T03:51:19.475989356Z","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"],"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.","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git","events":[{"introduced":"6d796c50f84ca79f1722bb131799e5a5710c4700"},{"last_affected":"6d796c50f84ca79f1722bb131799e5a5710c4700"}],"database_specific":{"extracted_events":[{"introduced":"Linux kernel 6.2-rc6"},{"last_affected":"Linux kernel 6.2-rc6"}],"source":"AFFECTED_FIELD"}}],"versions":["Linux kernel 6.2-rc6","v6.2-rc6"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-0386.json"}}],"references":[{"type":"WEB","url":"http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html"},{"type":"WEB","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-0386"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/0xxx/CVE-2023-0386.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/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":"ARTICLE","url":"https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html"},{"type":"ARTICLE","url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"}],"database_specific":{"cna_assigner":"redhat","cwe_ids":["CWE-282"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/0xxx/CVE-2023-0386.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}