UBUNTU-CVE-2020-25639
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.
02 / AFFECTED SOFTWARE
Affected packages
6 explicit affected versions
6 explicit affected versions
25 explicit affected versions
23 explicit affected versions
1 explicit affected versions
17 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
1 explicit affected versions
27 explicit affected versions
35 explicit affected versions
26 explicit affected versions
10 explicit affected versions
12 explicit affected versions
1 explicit affected versions
7 explicit affected versions
29 explicit affected versions
13 explicit affected versions
30 explicit affected versions
10 explicit affected versions
11 explicit affected versions
27 explicit affected versions
23 explicit affected versions
1 explicit affected versions
7 explicit affected versions
1 explicit affected versions
17 explicit affected versions
1 explicit affected versions
18 explicit affected versions
1 explicit affected versions
7 explicit affected versions
16 explicit affected versions
44 explicit affected versions
16 explicit affected versions
12 explicit affected versions
38 explicit affected versions
9 explicit affected versions
17 explicit affected versions
16 explicit affected versions
43 explicit affected versions
1 explicit affected versions
12 explicit affected versions
20 explicit affected versions
4 explicit affected versions
7 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://lists.freedesktop.org/archives/nouveau/2020-August/036682.html
- https://ubuntu.com/security/CVE-2020-25639
- https://ubuntu.com/security/notices/USN-4911-1
- https://ubuntu.com/security/notices/USN-4945-1
- https://ubuntu.com/security/notices/USN-4945-2
- https://ubuntu.com/security/notices/USN-4949-1
- https://www.cve.org/CVERecord?id=CVE-2020-25639