CVE-2023-33952
MEDIUM severity · CVSS 6.7 · Double free
6.7CVSS MEDIUM
Summary
A double-free vulnerability was found in handling vmw_buffer_object objects in the vmwgfx driver in the Linux kernel. This issue occurs due to the lack of validating the existence of an object prior to performing further free operations on the object, which may allow a local privileged user to escalate privileges and execute code in the context of the kernel.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredHigh
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://bugzilla.redhat.com/show_bug.cgi?id=2218212 ↗
Additional information
- NVD record
- https://bugzilla.redhat.com/show_bug.cgi?id=2218212Patch
- https://access.redhat.com/errata/RHSA-2023:6583Advisory
- https://access.redhat.com/errata/RHSA-2023:6901Advisory
- https://access.redhat.com/errata/RHSA-2023:7077Advisory
- https://access.redhat.com/errata/RHSA-2024:1404
- https://access.redhat.com/errata/RHSA-2024:4823
- https://access.redhat.com/errata/RHSA-2024:4831
- https://access.redhat.com/security/cve/CVE-2023-33952Advisory