CVE-2020-25639

Description

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.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1876995

https://lists.fedoraproject.org/archives/list/[email protected]/message/HE4CT3NL6OEBRRBUKHIX63GLNVOWCVRW/

https://lists.fedoraproject.org/archives/list/[email protected]/message/SUCBCKRHWP3UD2AVVYQJE7BIJEMCMXW5/

Details