{"id":"CVE-2025-71296","title":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/tests: shmem: Hold reservation lock around purge\n\nAcquire and release the GEM object's reservation lock around calls\nto the object's purge operation","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/tests: shmem: Hold reservation lock around purge\n\nAcquire and release the GEM object's reservation lock around calls\nto the object's purge operation. The tests use\n…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 6.16, < 6.18.16","linux_kernel >= 6.19, < 6.19.6"],"patched":["linux_kernel 6.19.6"],"published":"2026-05-08","updated":"2026-10-14","sourceUpdated":"2026-10-14T13:10:00.187","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-71296","references":[{"url":"https://git.kernel.org/stable/c/3f41307d589c2f25d556d47b165df808124cd0c4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8baeee2c1c0cdb3a8eac3b8f38156cce6ee1a69f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cdf8bbbd9017adcfb91ad9a902198d4b507719a9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00121,"epssPercentile":0.01733,"ingestedAt":"2026-10-14T13:30:58.490Z","slug":"CVE-2025-71296","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/tests: shmem: Hold reservation lock around purge\n\nAcquire and release the GEM object's reservation lock around calls\nto the object's purge operation. The tests use\ndrm_gem_shmem_purge_locked(), which led to errors such as show below.\n\n[   58.709128] WARNING: CPU: 1 PID: 1354 at drivers/gpu/drm/drm_gem_shmem_helper.c:515 drm_gem_shmem_purge_locked+0x51c/0x740\n\nOnly export the new helper drm_gem_shmem_purge() for Kunit tests.\nThis is not an interface for regular drivers.\n\n## Affected\n\n- `linux_kernel >= 6.16, < 6.18.16`\n- `linux_kernel >= 6.19, < 6.19.6`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.19.6`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}