CVE-2025-71302
Received Received - Intake
dma-fence Race Condition in Linux Kernel

Publication date: 2026-05-08

Last updated on: 2026-05-08

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: drm/panthor: fix for dma-fence safe access rules Commit 506aa8b02a8d6 ("dma-fence: Add safe access helpers and document the rules") details the dma-fence safe access rules. The most common culprit is that drm_sched_fence_get_timeline_name may race with group_free_queue.
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Meta Information
Published
2026-05-08
Last Modified
2026-05-08
Generated
2026-06-19
AI Q&A
2026-05-08
EPSS Evaluated
2026-06-18
NVD
CVE-2025-71302
EUVD
EUVD-2025-209751
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
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Exploitability
CWE
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CWE ID Description
CWE-UNKNOWN
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Impact Analysis

The vulnerability involves a race condition in accessing dma-fence objects in the Linux kernel's drm/panthor component. Such race conditions can potentially lead to unsafe memory access, which might cause system instability, crashes, or unexpected behavior in graphics-related operations. However, specific impacts or exploit scenarios are not detailed in the provided information.

Executive Summary

This vulnerability exists in the Linux kernel within the drm/panthor component. It relates to unsafe access rules involving dma-fence objects. Specifically, the issue arises because the function drm_sched_fence_get_timeline_name may race with group_free_queue, leading to unsafe access. The vulnerability was addressed by adding safe access helpers and documenting the dma-fence safe access rules.

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