{"id":"CVE-2025-71301","title":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/tests: shmem: Hold reservation lock around vmap/vunmap\n\nAcquire and release the GEM object's reservation lock around vmap and\nvunmap operations","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/tests: shmem: Hold reservation lock around vmap/vunmap\n\nAcquire and release the GEM object's reservation lock around vmap and\nvunmap operations. The tests use vmap_…","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-2025-71301","references":[{"url":"https://git.kernel.org/stable/c/6b953d92f2f29e74b125617c6f00300fa1bed97e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cda83b099f117f2a28a77bf467af934cb39e49cf","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e7b7022f11d3cf281c726117478696b83681bf11","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00121,"epssPercentile":0.01731,"ingestedAt":"2026-10-14T13:30:58.491Z","slug":"CVE-2025-71301","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/tests: shmem: Hold reservation lock around vmap/vunmap\n\nAcquire and release the GEM object's reservation lock around vmap and\nvunmap operations. The tests use vmap_locked, which led to errors such\nas show below.\n\n[  122.292030] WARNING: CPU: 3 PID: 1413 at drivers/gpu/drm/drm_gem_shmem_helper.c:390 drm_gem_shmem_vmap_locked+0x3a3/0x6f0\n\n[  122.468066] WARNING: CPU: 3 PID: 1413 at drivers/gpu/drm/drm_gem_shmem_helper.c:293 drm_gem_shmem_pin_locked+0x1fe/0x350\n\n[  122.563504] WARNING: CPU: 3 PID: 1413 at drivers/gpu/drm/drm_gem_shmem_helper.c:234 drm_gem_shmem_get_pages_locked+0x23c/0x370\n\n[  122.662248] WARNING: CPU: 2 PID: 1413 at drivers/gpu/drm/drm_gem_shmem_helper.c:452 drm_gem_shmem_vunmap_locked+0x101/0x330\n\nOnly export the new vmap/vunmap helpers for Kunit tests. These are\nnot interfaces 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":[]}