{"id":"CVE-2020-25284","details":"The rbd block device driver in drivers/block/rbd.c in the Linux kernel through 5.8.9 used incomplete permission checking for access to rbd devices, which could be leveraged by local attackers to map or unmap rbd block devices, aka CID-f44d04e696fe.","modified":"2026-03-15T22:35:05.404545Z","published":"2020-09-13T18:15:09.833Z","related":["ALSA-2021:1578","MGASA-2020-0392","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-2020:2999-1","SUSE-SU-2020:3014-1","SUSE-SU-2020:3501-1","SUSE-SU-2020:3503-1","SUSE-SU-2020:3532-1","SUSE-SU-2020:3544-1","SUSE-SU-2021:14630-1","openSUSE-SU-2020:1586-1","openSUSE-SU-2020:1655-1","openSUSE-SU-2021:0242-1"],"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html"},{"type":"ADVISORY","url":"https://twitter.com/grsecurity/status/1304537507560919041"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html"},{"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":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f44d04e696feaf13d192d942c4f14ad2e117065a"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-25284.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.8.9"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"15.1"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N"}]}