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.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25639
Reference (s):
- FEDORA:FEDORA-2021-1db4ab0a3d
- URL: https://lists.fedoraproject.org/archives/list/[email protected]/message/HE4CT3NL6OEBRRBUKHIX63GLNVOWCVRW/
- FEDORA:FEDORA-2021-a2d3ad5dda
- URL: https://lists.fedoraproject.org/archives/list/[email protected]/message/SUCBCKRHWP3UD2AVVYQJE7BIJEMCMXW5/
- https://bugzilla.redhat.com/show_bug.cgi?id=1876995