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Status published
Medium
CVE-2023-33952
Kernel: vmwgfx: double free within the handling of vmw_buffer_object objects
Vulnerability Description
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 Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://access.redhat.com/errata/RHSA-2023:6583
- https://access.redhat.com/errata/RHSA-2023:6901
- https://access.redhat.com/errata/RHSA-2023:7077
- 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-2023-33952
- https://bugzilla.redhat.com/show_bug.cgi?id=2218212
- https://www.zerodayinitiative.com/advisories/ZDI-CAN-20292
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Affected Vendor
Red Hat
View all reports →Affected Software
Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7
Vulnerable Versions:
0:4.18.0-513.5.1.rt7.307.el8_9, 0:4.18.0-513.5.1.el8_9, 0:4.18.0-477.51.1.el8_8, 0:5.14.0-362.8.1.el9_3, 0:5.14.0-284.75.1.el9_2, 0:5.14.0-284.75.1.rt14.360.el9_2
Timeline
Official Publish:
July 24th, 2023
Last Modified:
February 25th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H