UBUNTU-CVE-2023-5633
The reference count changes made as part of the CVE-2023-33951 and CVE-2023-33952 fixes exposed a use-after-free flaw in the way memory objects were handled when they were being used to store a surface. When running inside a VMware guest with 3D acceleration enabled, a local, unprivileged user could potentially use this flaw to escalate their privileges.
02 / AFFECTED SOFTWARE
Affected packages
29 explicit affected versions
1 explicit affected versions
1 explicit affected versions
7 explicit affected versions
1 explicit affected versions
26 explicit affected versions
1 explicit affected versions
37 explicit affected versions
10 explicit affected versions
10 explicit affected versions
13 explicit affected versions
13 explicit affected versions
4 explicit affected versions
37 explicit affected versions
8 explicit affected versions
4 explicit affected versions
8 explicit affected versions
23 explicit affected versions
7 explicit affected versions
10 explicit affected versions
33 explicit affected versions
16 explicit affected versions
12 explicit affected versions
38 explicit affected versions
51 explicit affected versions
13 explicit affected versions
10 explicit affected versions
10 explicit affected versions
13 explicit affected versions
1 explicit affected versions
10 explicit affected versions
10 explicit affected versions
1 explicit affected versions
8 explicit affected versions
21 explicit affected versions
6 explicit affected versions
13 explicit affected versions
12 explicit affected versions
5 explicit affected versions
7 explicit affected versions
12 explicit affected versions
26 explicit affected versions
23 explicit affected versions
25 explicit affected versions
3 explicit affected versions
26 explicit affected versions
12 explicit affected versions
44 explicit affected versions
4 explicit affected versions
4 explicit affected versions
16 explicit affected versions
9 explicit affected versions
12 explicit affected versions
11 explicit affected versions
13 explicit affected versions
7 explicit affected versions
7 explicit affected versions
10 explicit affected versions
14 explicit affected versions
18 explicit affected versions
3 explicit affected versions
16 explicit affected versions
43 explicit affected versions
1 explicit affected versions
35 explicit affected versions
12 explicit affected versions
6 explicit affected versions
12 explicit affected versions
50 explicit affected versions
12 explicit affected versions
12 explicit affected versions
7 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
The reference count changes made as part of the CVE-2023-33951 and CVE-2023-33952 fixes exposed a use-after-free flaw in the way memory objects were handled when they were being used to store a surface. When running inside a VMware guest with 3D acceleration enabled, a local, unprivileged user could potentially use this flaw to escalate their privileges.
05 / REFERENCES
Further evidence
- https://access.redhat.com/security/cve/CVE-2023-5633
- https://github.com/torvalds/linux/commit/91398b413d03660fd5828f7b4abc64e884b98069
- https://lists.freedesktop.org/archives/dri-devel/2023-September/424805.html
- https://ubuntu.com/security/CVE-2023-5633
- https://ubuntu.com/security/notices/USN-6503-1
- https://ubuntu.com/security/notices/USN-6537-1
- https://ubuntu.com/security/notices/USN-6572-1
- https://ubuntu.com/security/notices/USN-6688-1
- https://www.cve.org/CVERecord?id=CVE-2023-5633