{"id":"CVE-2020-25639","details":"A NULL pointer dereference flaw was found in the Linux kernel's GPU Nouveau driver functionality in versions prior to 5.12-rc1 in the way the user calls ioctl DRM_IOCTL_NOUVEAU_CHANNEL_ALLOC. This flaw allows a local user to crash the system.","modified":"2026-03-14T01:39:15.762900Z","published":"2021-03-04T22:15:13.140Z","related":["MGASA-2021-0117","MGASA-2021-0152","SUSE-SU-2021:0347-1","SUSE-SU-2021:0348-1","SUSE-SU-2021:0353-1","SUSE-SU-2021:0354-1","SUSE-SU-2021:0427-1","SUSE-SU-2021:0433-1","SUSE-SU-2021:0434-1","SUSE-SU-2021:0438-1","SUSE-SU-2021:0532-1","openSUSE-SU-2021:0060-1","openSUSE-SU-2021:0075-1","openSUSE-SU-2024:10728-1","openSUSE-SU-2024:13704-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HE4CT3NL6OEBRRBUKHIX63GLNVOWCVRW/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SUCBCKRHWP3UD2AVVYQJE7BIJEMCMXW5/"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1876995"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-25639.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"5.11.2"}]},{"events":[{"introduced":"0"},{"last_affected":"32"}]},{"events":[{"introduced":"0"},{"last_affected":"33"}]},{"events":[{"introduced":"0"},{"last_affected":"4.4"}]},{"events":[{"introduced":"0"},{"last_affected":"4.5"}]},{"events":[{"introduced":"0"},{"last_affected":"4.6"}]},{"events":[{"introduced":"0"},{"last_affected":"5.0"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"2.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"}]}