{"id":"CVE-2023-1476","details":"A use-after-free flaw was found in the Linux kernel’s mm/mremap memory address space accounting source code. This issue occurs due to a race condition between rmap walk and mremap, allowing a local user to crash the system or potentially escalate their privileges on the system.","modified":"2026-03-15T22:44:25.348935Z","published":"2023-11-03T09:15:13.393Z","references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2023:1659"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2023-1476"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2176035"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-1476.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.14"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.8"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0_ppc64le"}]},{"events":[{"introduced":"0"},{"last_affected":"8.8_ppc64le"}]},{"events":[{"introduced":"0"},{"last_affected":"8.8"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}