CVE-2025-71099
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2026-01-13

Last updated on: 2026-03-25

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: drm/xe/oa: Fix potential UAF in xe_oa_add_config_ioctl() In xe_oa_add_config_ioctl(), we accessed oa_config->id after dropping metrics_lock. Since this lock protects the lifetime of oa_config, an attacker could guess the id and call xe_oa_remove_config_ioctl() with perfect timing, freeing oa_config before we dereference it, leading to a potential use-after-free. Fix this by caching the id in a local variable while holding the lock. v2: (Matt A) - Dropped mutex_unlock(&oa->metrics_lock) ordering change from xe_oa_remove_config_ioctl() (cherry picked from commit 28aeaed130e8e587fd1b73b6d66ca41ccc5a1a31)
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Meta Information
Published
2026-01-13
Last Modified
2026-03-25
Generated
2026-06-16
AI Q&A
2026-01-14
EPSS Evaluated
2026-06-14
NVD
CVE-2025-71099
EUVD
EUVD-2026-2213
Affected Vendors & Products
Showing 11 associated CPEs
Vendor Product Version / Range
linux linux_kernel 6.11
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel From 6.13 (inc) to 6.18.4 (exc)
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel From 6.11.1 (inc) to 6.12.64 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-416 The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
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Executive Summary

This vulnerability is a use-after-free (UAF) issue in the Linux kernel's drm/xe/oa component, specifically in the function xe_oa_add_config_ioctl(). The problem occurs because the code accesses oa_config->id after releasing a lock (metrics_lock) that protects the lifetime of oa_config. An attacker could guess the id and call xe_oa_remove_config_ioctl() at the right time to free oa_config before it is dereferenced, leading to a potential use-after-free condition.

Impact Analysis

This vulnerability can lead to a use-after-free condition, which may allow an attacker to cause undefined behavior such as system crashes, memory corruption, or potentially execute arbitrary code with kernel privileges, depending on exploitation. This can compromise system stability and security.

Mitigation Strategies

Apply the patch that fixes the use-after-free vulnerability in the Linux kernel's drm/xe/oa component by updating to the fixed kernel version containing the commit 28aeaed130e8e587fd1b73b6d66ca41ccc5a1a31. This patch caches the id in a local variable while holding the lock to prevent the use-after-free condition.

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