CVE-2026-23430
Received Received - Intake
Memory Leak in Linux Kernel drm/vmwgfx KMS Surface Tracker

Publication date: 2026-04-03

Last updated on: 2026-04-23

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Don't overwrite KMS surface dirty tracker We were overwriting the surface's dirty tracker here causing a memory leak.
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Meta Information
Published
2026-04-03
Last Modified
2026-04-23
Generated
2026-06-16
AI Q&A
2026-04-03
EPSS Evaluated
2026-06-15
NVD
CVE-2026-23430
EUVD
EUVD-2026-18665
Affected Vendors & Products
Showing 10 associated CPEs
Vendor Product Version / Range
linux linux_kernel 6.16
linux linux_kernel 7.0
linux linux_kernel 7.0
linux linux_kernel 7.0
linux linux_kernel 7.0
linux linux_kernel 7.0
linux linux_kernel 7.0
linux linux_kernel 7.0
linux linux_kernel From 6.19 (inc) to 6.19.10 (exc)
linux linux_kernel From 6.16.1 (inc) to 6.18.20 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-401 The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
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Executive Summary

This vulnerability exists in the Linux kernel's drm/vmwgfx component. It involves overwriting the KMS (Kernel Mode Setting) surface dirty tracker, which is a mechanism used to track changes on a graphics surface. Overwriting this tracker caused a memory leak.

Impact Analysis

The impact of this vulnerability is a memory leak in the Linux kernel's graphics subsystem. Memory leaks can lead to increased memory usage over time, potentially causing system instability, degraded performance, or crashes if the leak is severe and not mitigated.

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