CVE-2023-33951 Kernel: vmwgfx: race condition leading to information disclosure vulnerability

What is CVE-2023-33951?

CVE-2023-33951 is a medium-severity vulnerability in Linux kernel, published on 24 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A race condition vulnerability was found in the vmwgfx driver in the Linux kernel. The flaw exists within the handling of GEM objects. The issue results from improper locking when performing operations on an object. This flaw allows a local privileged user to disclose information in the context of the kernel.

Weakness: CWE-362, CWE-667, CWE-413

Which versions are affected by CVE-2023-33951?

It affects 4 products.

Products include Linux kernel, Redhat Enterprise Linux, Redhat Enterprise Linux for Real Time, Redhat Enterprise Linux for Real Time for Nfv.

How do I fix CVE-2023-33951?

Apply the vendor's patch.

Is CVE-2023-33951 being exploited?

There is no known exploitation of CVE-2023-33951 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-27637, AZL-27761, BELL-CVE-2023-33951, DEBIAN-CVE-2023-33951, GHSA-2764-3pqr-49w6, UBUNTU-CVE-2023-33951.