{"id":"CVE-2026-46095","state":"PUBLISHED","title":"md/md-llbitmap: raise barrier before state machine transition","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/md-llbitmap: raise barrier before state machine transition\n\nMove the barrier raise operation before calling llbitmap_state_machine()\nin both llbitmap_start_write() and llbitmap_start_discard(). This\nensures the barrier is in place before any state transitions occur,\npreventing potential race conditions where the state machine could\ncomplete before the barrier is properly raised.","publishedAt":"2026-05-27T12:58:48.179Z","updatedAt":"2026-06-14T17:54:02.473Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5ab829f1971dc99f2aac10846c378e67fc875abc","status":"affected","lessThan":"9142f00a9287ca38152717e3e88a033a27774e7f","versionType":"git"},{"version":"5ab829f1971dc99f2aac10846c378e67fc875abc","status":"affected","lessThan":"9701d51dd378380ba05293fa391e8ba01065ae8d","versionType":"git"},{"version":"5ab829f1971dc99f2aac10846c378e67fc875abc","status":"affected","lessThan":"ef4ca3d4bf09716cff9ba00eb0351deadc8417ab","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/md-llbitmap.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.27","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.4","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/md-llbitmap.c"]}],"references":["https://git.kernel.org/stable/c/9142f00a9287ca38152717e3e88a033a27774e7f","https://git.kernel.org/stable/c/9701d51dd378380ba05293fa391e8ba01065ae8d","https://git.kernel.org/stable/c/ef4ca3d4bf09716cff9ba00eb0351deadc8417ab"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46095.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46095","state":"PUBLISHED","datePublished":"2026-05-27T12:58:48.179Z","dateUpdated":"2026-06-14T17:54:02.473Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.097Z"},"containers":{"cna":{"title":"md/md-llbitmap: raise barrier before state machine transition","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/md-llbitmap: raise barrier before state machine transition\n\nMove the barrier raise operation before calling llbitmap_state_machine()\nin both llbitmap_start_write() and llbitmap_start_discard(). This\nensures the barrier is in place before any state transitions occur,\npreventing potential race conditions where the state machine could\ncomplete before the barrier is properly raised."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5ab829f1971dc99f2aac10846c378e67fc875abc","status":"affected","lessThan":"9142f00a9287ca38152717e3e88a033a27774e7f","versionType":"git"},{"version":"5ab829f1971dc99f2aac10846c378e67fc875abc","status":"affected","lessThan":"9701d51dd378380ba05293fa391e8ba01065ae8d","versionType":"git"},{"version":"5ab829f1971dc99f2aac10846c378e67fc875abc","status":"affected","lessThan":"ef4ca3d4bf09716cff9ba00eb0351deadc8417ab","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/md-llbitmap.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.27","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.4","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/md-llbitmap.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/9142f00a9287ca38152717e3e88a033a27774e7f"},{"url":"https://git.kernel.org/stable/c/9701d51dd378380ba05293fa391e8ba01065ae8d"},{"url":"https://git.kernel.org/stable/c/ef4ca3d4bf09716cff9ba00eb0351deadc8417ab"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-14T17:54:02.473Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.18.27"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.0.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}