{"id":"CVE-2025-40332","state":"PUBLISHED","title":"drm/amdkfd: Fix mmap write lock not release","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix mmap write lock not release\n\nIf mmap write lock is taken while draining retry fault, mmap write lock\nis not released because svm_range_restore_pages calls mmap_read_unlock\nthen returns. This causes deadlock and system hangs later because mmap\nread or write lock cannot be taken.\n\nDowngrade mmap write lock to read lock if draining retry fault fix this\nbug.","publishedAt":"2025-12-09T04:09:49.164Z","updatedAt":"2026-05-23T16:02:11.553Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e64be12f8401819662e608efa247638b61d023cd","status":"affected","lessThan":"e2105ba1c262dcaa9573f11844b6e1e1ca762c3f","versionType":"git"},{"version":"f844732e3ad9c4b78df7436232949b8d2096d1a6","status":"affected","lessThan":"f7569ef1cf978aa87aa81b5e9bf40a77497f3685","versionType":"git"},{"version":"f844732e3ad9c4b78df7436232949b8d2096d1a6","status":"affected","lessThan":"7574f30337e19045f03126b4c51f525b84e5049e","versionType":"git"},{"version":"177660d7ecb34298dab5f0d1efc7e8b02f934551","status":"affected","versionType":"git"},{"version":"5a3c09bd25cc0a55ec9c048710d379fa2c84b4e7","status":"affected","versionType":"git"},{"version":"6.12.24","status":"affected","lessThan":"6.12.58","versionType":"semver"},{"version":"6.13.12","status":"affected","lessThan":"6.14","versionType":"semver"},{"version":"6.14.3","status":"affected","lessThan":"6.15","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_svm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.15","versionType":"semver"},{"version":"6.12.58","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.8","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_svm.c"]}],"references":["https://git.kernel.org/stable/c/e2105ba1c262dcaa9573f11844b6e1e1ca762c3f","https://git.kernel.org/stable/c/f7569ef1cf978aa87aa81b5e9bf40a77497f3685","https://git.kernel.org/stable/c/7574f30337e19045f03126b4c51f525b84e5049e"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40332.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40332","state":"PUBLISHED","datePublished":"2025-12-09T04:09:49.164Z","dateUpdated":"2026-05-23T16:02:11.553Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.186Z"},"containers":{"cna":{"title":"drm/amdkfd: Fix mmap write lock not release","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix mmap write lock not release\n\nIf mmap write lock is taken while draining retry fault, mmap write lock\nis not released because svm_range_restore_pages calls mmap_read_unlock\nthen returns. This causes deadlock and system hangs later because mmap\nread or write lock cannot be taken.\n\nDowngrade mmap write lock to read lock if draining retry fault fix this\nbug."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e64be12f8401819662e608efa247638b61d023cd","status":"affected","lessThan":"e2105ba1c262dcaa9573f11844b6e1e1ca762c3f","versionType":"git"},{"version":"f844732e3ad9c4b78df7436232949b8d2096d1a6","status":"affected","lessThan":"f7569ef1cf978aa87aa81b5e9bf40a77497f3685","versionType":"git"},{"version":"f844732e3ad9c4b78df7436232949b8d2096d1a6","status":"affected","lessThan":"7574f30337e19045f03126b4c51f525b84e5049e","versionType":"git"},{"version":"177660d7ecb34298dab5f0d1efc7e8b02f934551","status":"affected","versionType":"git"},{"version":"5a3c09bd25cc0a55ec9c048710d379fa2c84b4e7","status":"affected","versionType":"git"},{"version":"6.12.24","status":"affected","lessThan":"6.12.58","versionType":"semver"},{"version":"6.13.12","status":"affected","lessThan":"6.14","versionType":"semver"},{"version":"6.14.3","status":"affected","lessThan":"6.15","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_svm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.15","versionType":"semver"},{"version":"6.12.58","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.8","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_svm.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e2105ba1c262dcaa9573f11844b6e1e1ca762c3f"},{"url":"https://git.kernel.org/stable/c/f7569ef1cf978aa87aa81b5e9bf40a77497f3685"},{"url":"https://git.kernel.org/stable/c/7574f30337e19045f03126b4c51f525b84e5049e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T16:02:11.553Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.24","versionEndExcluding":"6.12.58"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"6.17.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"6.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}