{"id":"CVE-2026-46095","title":"md/md-llbitmap: raise barrier before state machine transition","summary":"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() a…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 5ab829f1971dc99f2aac10846c378e67fc875abc < 9142f00a9287ca38152717e3e88a033a27774e7f","Linux >= 5ab829f1971dc99f2aac10846c378e67fc875abc < 9701d51dd378380ba05293fa391e8ba01065ae8d","Linux >= 5ab829f1971dc99f2aac10846c378e67fc875abc < ef4ca3d4bf09716cff9ba00eb0351deadc8417ab","Linux 6.18"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T16:08:35.962545Z"},"published":"2026-05-27","updated":"2026-11-06","sourceUpdated":"2026-11-06T16:13:37.889Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-46095","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"}],"tags":["cve.org"],"epss":0.00121,"epssPercentile":0.01907,"ingestedAt":"2026-11-06T16:57:43.338Z","slug":"CVE-2026-46095","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= 5ab829f1971dc99f2aac10846c378e67fc875abc < 9142f00a9287ca38152717e3e88a033a27774e7f`\n- `Linux >= 5ab829f1971dc99f2aac10846c378e67fc875abc < 9701d51dd378380ba05293fa391e8ba01065ae8d`\n- `Linux >= 5ab829f1971dc99f2aac10846c378e67fc875abc < ef4ca3d4bf09716cff9ba00eb0351deadc8417ab`\n- `Linux 6.18`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}