CVE-2025-71296

MEDIUM

drm/tests: shmem: Hold reservation lock around purge

Title source: cna
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: drm/tests: shmem: Hold reservation lock around purge Acquire and release the GEM object's reservation lock around calls to the object's purge operation. The tests use drm_gem_shmem_purge_locked(), which led to errors such as show below. [ 58.709128] WARNING: CPU: 1 PID: 1354 at drivers/gpu/drm/drm_gem_shmem_helper.c:515 drm_gem_shmem_purge_locked+0x51c/0x740 Only export the new helper drm_gem_shmem_purge() for Kunit tests. This is not an interface for regular drivers.

Scores

CVSS v3 5.5
EPSS 0.0001
EPSS Percentile 2.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (9)
Linux/Linux < 6.16
Linux/Linux 6.16
Linux/Linux 6.18.16 - 6.18.*
Linux/Linux 6.19.6 - 6.19.*
Linux/Linux 7.0
Linux/Linux 954907f7147dc43e0d1cd4d430c21d143d5fdf55 - 3f41307d589c2f25d556d47b165df808124cd0c4
Linux/Linux 954907f7147dc43e0d1cd4d430c21d143d5fdf55 - 8baeee2c1c0cdb3a8eac3b8f38156cce6ee1a69f
Linux/Linux 954907f7147dc43e0d1cd4d430c21d143d5fdf55 - cdf8bbbd9017adcfb91ad9a902198d4b507719a9
linux/linux_kernel 6.16 - 6.18.16
Published May 08, 2026
Tracked Since May 08, 2026