{"id":"CVE-2026-89855","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Serialize flash version read in reset handler\n\nThe \"update cache versions without reset\" sysfs reset operation (0x20261)\ncalls get_flash_version(), which…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Serialize flash version read in reset handler\n\nThe \"update cache versions without reset\" sysfs reset operation (0x20261)\ncalls get_flash_version(), which…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 8c2cf7d4e387d003259488522523807f25576427 < f1fc052f2a5890ea6dba80d50254dd6258b13386","Linux >= 8c2cf7d4e387d003259488522523807f25576427 < 31bf2714abbb0aa5a8a03d15038f8920e1c74b21","Linux >= 8c2cf7d4e387d003259488522523807f25576427 < ae979c549cba684e67b6c047140f3a8d2439b298","Linux >= 8c2cf7d4e387d003259488522523807f25576427 < 9cef42a073a0bdeee7fb1b47221cda222d330d2a","Linux >= 8c2cf7d4e387d003259488522523807f25576427 < 75460967619eda720c9a03767729157ffd171d8c","Linux >= 8c2cf7d4e387d003259488522523807f25576427 < 8d116137119371349fb09685fe05413d8fc92efe","Linux >= 8c2cf7d4e387d003259488522523807f25576427 < 33735490789e5417851752974c0b1d23125559cd","Linux >= 8c2cf7d4e387d003259488522523807f25576427 < f606ed93de0c4f1e7e3618779e9fad731455314a","Linux 3.12"],"published":"2026-09-16","updated":"2026-09-16","sourceUpdated":"2026-09-16T11:16:53.313","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89855","references":[{"url":"https://git.kernel.org/stable/c/31bf2714abbb0aa5a8a03d15038f8920e1c74b21","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/33735490789e5417851752974c0b1d23125559cd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/75460967619eda720c9a03767729157ffd171d8c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8d116137119371349fb09685fe05413d8fc92efe","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9cef42a073a0bdeee7fb1b47221cda222d330d2a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ae979c549cba684e67b6c047140f3a8d2439b298","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f1fc052f2a5890ea6dba80d50254dd6258b13386","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f606ed93de0c4f1e7e3618779e9fad731455314a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-16T10:53:53.992Z","epss":0.00211,"epssPercentile":0.11616,"slug":"CVE-2026-89855","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Serialize flash version read in reset handler\n\nThe \"update cache versions without reset\" sysfs reset operation (0x20261)\ncalls get_flash_version(), which reads hardware flash registers, without\nholding ha->optrom_mutex. The VPD update path serializes the same call\nunder optrom_mutex, so this reset path can interleave its flash register\naccesses with a concurrent VPD or optrom flash operation and corrupt the\nreads.\n\nHold ha->optrom_mutex across the get_flash_version() call to match the\nVPD update path.\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":[]}