{"id":"CVE-2020-25212","details":"A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452.","modified":"2026-03-13T00:36:33.709760Z","published":"2020-09-09T16:15:12.063Z","related":["ALSA-2021:1578","SUSE-SU-2020:2879-1","SUSE-SU-2020:2904-1","SUSE-SU-2020:2905-1","SUSE-SU-2020:2906-1","SUSE-SU-2020:2907-1","SUSE-SU-2020:2908-1","SUSE-SU-2020:2981-1","SUSE-SU-2020:2999-1","SUSE-SU-2020:3014-1","SUSE-SU-2020:3178-1","SUSE-SU-2020:3180-1","SUSE-SU-2020:3181-1","SUSE-SU-2020:3186-1","SUSE-SU-2020:3187-1","SUSE-SU-2020:3188-1","SUSE-SU-2020:3190-1","SUSE-SU-2020:3204-1","SUSE-SU-2020:3210-1","SUSE-SU-2020:3219-1","SUSE-SU-2020:3222-1","SUSE-SU-2020:3225-1","SUSE-SU-2020:3230-1","SUSE-SU-2020:3281-1","SUSE-SU-2020:3484-1","SUSE-SU-2020:3491-1","SUSE-SU-2020:3501-1","SUSE-SU-2020:3503-1","SUSE-SU-2020:3532-1","SUSE-SU-2020:3544-1","openSUSE-SU-2020:1586-1","openSUSE-SU-2020:1655-1","openSUSE-SU-2020:1682-1","openSUSE-SU-2020:1698-1","openSUSE-SU-2020:2112-1","openSUSE-SU-2021:0242-1"],"references":[{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html"},{"type":"ADVISORY","url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.3"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html"},{"type":"ADVISORY","url":"https://twitter.com/grsecurity/status/1303370421958578179"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4525-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4527-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4578-1/"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b4487b93545214a9db8cbf32e86411677b0cca21"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.8.3"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"15.1"}]},{"events":[{"introduced":"0"},{"last_affected":"15.2"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"20.04"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-25212.json"}}],"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"}]}