CVE-2023-5633
Summary
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.
Impact & exploitability
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://bugzilla.redhat.com/show_bug.cgi?id=2245663 ↗
Additional information
- NVD record
- https://bugzilla.redhat.com/show_bug.cgi?id=2245663Patch
- https://access.redhat.com/errata/RHSA-2024:0113Advisory
- https://access.redhat.com/errata/RHSA-2024:0134Advisory
- https://access.redhat.com/errata/RHSA-2024:0461Advisory
- https://access.redhat.com/errata/RHSA-2024:1404Advisory
- https://access.redhat.com/errata/RHSA-2024:4823Advisory
- https://access.redhat.com/errata/RHSA-2024:4831Advisory
- https://access.redhat.com/security/cve/CVE-2023-5633Advisory