CVE-2025-40111
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-12

Last updated on: 2025-11-12

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix Use-after-free in validation Nodes stored in the validation duplicates hashtable come from an arena allocator that is cleared at the end of vmw_execbuf_process. All nodes are expected to be cleared in vmw_validation_drop_ht but this node escaped because its resource was destroyed prematurely.
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Meta Information
Published
2025-11-12
Last Modified
2025-11-12
Generated
2026-06-16
AI Q&A
2025-11-12
EPSS Evaluated
2026-06-15
NVD
CVE-2025-40111
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a use-after-free issue in the Linux kernel's drm/vmwgfx component. It occurs because nodes stored in a validation duplicates hashtable come from an arena allocator that is cleared at the end of a process, but one node escaped being cleared due to its resource being destroyed prematurely. This leads to accessing memory that has already been freed.

Impact Analysis

The vulnerability can lead to use-after-free conditions, which may cause system instability, crashes, or potentially allow an attacker to execute arbitrary code or escalate privileges by exploiting the freed memory access.

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