What’s Vulnerable › Vulnerabilities
CVE-2023-33952: Kernel: vmwgfx: double free within the handling of vmw_buffer_object objects
- Severity: medium (CVSS 6.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-07-24 · updated 2026-06-17
- Weakness: CWE-415
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.
Affected products
- Linux kernel: through 6.3.9
- Red Hat Enterprise Linux: 8.0, 9.0
- RedHat Enterprise Linux For Real Time: 8.0
- RedHat Enterprise Linux For Real Time For Nfv: 8.0
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
- https://access.redhat.com/errata/RHSA-2023:6583
- https://access.redhat.com/errata/RHSA-2023:6901
- https://access.redhat.com/errata/RHSA-2023:7077
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