{"id":"CVE-2026-98727","title":"nvme-multipath: set BLK_FEAT_ZONED only after the zone info is known","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-multipath: set BLK_FEAT_ZONED only after the zone info is known\n\nThe namespace head is marked zoned at allocation time based only on the\ncommand set identifier.  I…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 28982ad73d6a9605708631dc49a0c763cc398aa2 < 44dc998c38fb5e153c3ed5665f1112661841c3f5","Linux >= 28982ad73d6a9605708631dc49a0c763cc398aa2 < 2d86abd28071481a1abd87204a47325975dc821c","Linux >= 28982ad73d6a9605708631dc49a0c763cc398aa2 < 8b85838c1fdba5ba90152693ca158aa9660c628f","Linux >= 28982ad73d6a9605708631dc49a0c763cc398aa2 < 4a5e49ba0abb8b4328d6318c9aef0c0121f95507","Linux 6.11"],"published":"2026-10-18","updated":"2026-10-19","sourceUpdated":"2026-10-19T09:24:37.897Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98727","references":[{"url":"https://git.kernel.org/stable/c/44dc998c38fb5e153c3ed5665f1112661841c3f5"},{"url":"https://git.kernel.org/stable/c/2d86abd28071481a1abd87204a47325975dc821c"},{"url":"https://git.kernel.org/stable/c/8b85838c1fdba5ba90152693ca158aa9660c628f"},{"url":"https://git.kernel.org/stable/c/4a5e49ba0abb8b4328d6318c9aef0c0121f95507"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T16:47:32.507Z","slug":"CVE-2026-98727","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnvme-multipath: set BLK_FEAT_ZONED only after the zone info is known\n\nThe namespace head is marked zoned at allocation time based only on the\ncommand set identifier.  If the zone info query reports a zero zone size,\nthe path namespace is registered without zoned limits while the head\nstill advertises the zoned capability with a zone size of zero, and\nreporting zones or writing to the head then shifts by ilog2(0).\n\nDrop the zoned feature from the head allocation and let the head limits\nrefresh stack it in from the path namespace instead.\n\n## Affected\n\n- `Linux >= 28982ad73d6a9605708631dc49a0c763cc398aa2 < 44dc998c38fb5e153c3ed5665f1112661841c3f5`\n- `Linux >= 28982ad73d6a9605708631dc49a0c763cc398aa2 < 2d86abd28071481a1abd87204a47325975dc821c`\n- `Linux >= 28982ad73d6a9605708631dc49a0c763cc398aa2 < 8b85838c1fdba5ba90152693ca158aa9660c628f`\n- `Linux >= 28982ad73d6a9605708631dc49a0c763cc398aa2 < 4a5e49ba0abb8b4328d6318c9aef0c0121f95507`\n- `Linux 6.11`\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":[]}