{"id":"CVE-2026-89855","state":"PUBLISHED","title":"scsi: qla2xxx: Serialize flash version read in reset handler","description":"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 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.","publishedAt":"2026-09-16T10:31:28.836Z","updatedAt":"2026-10-19T08:53:48.034Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8c2cf7d4e387d003259488522523807f25576427","status":"affected","lessThan":"f1fc052f2a5890ea6dba80d50254dd6258b13386","versionType":"git"},{"version":"8c2cf7d4e387d003259488522523807f25576427","status":"affected","lessThan":"31bf2714abbb0aa5a8a03d15038f8920e1c74b21","versionType":"git"},{"version":"8c2cf7d4e387d003259488522523807f25576427","status":"affected","lessThan":"ae979c549cba684e67b6c047140f3a8d2439b298","versionType":"git"},{"version":"8c2cf7d4e387d003259488522523807f25576427","status":"affected","lessThan":"9cef42a073a0bdeee7fb1b47221cda222d330d2a","versionType":"git"},{"version":"8c2cf7d4e387d003259488522523807f25576427","status":"affected","lessThan":"75460967619eda720c9a03767729157ffd171d8c","versionType":"git"},{"version":"8c2cf7d4e387d003259488522523807f25576427","status":"affected","lessThan":"8d116137119371349fb09685fe05413d8fc92efe","versionType":"git"},{"version":"8c2cf7d4e387d003259488522523807f25576427","status":"affected","lessThan":"33735490789e5417851752974c0b1d23125559cd","versionType":"git"},{"version":"8c2cf7d4e387d003259488522523807f25576427","status":"affected","lessThan":"f606ed93de0c4f1e7e3618779e9fad731455314a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_attr.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.12","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.51","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.5","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_attr.c"]}],"references":["https://git.kernel.org/stable/c/f1fc052f2a5890ea6dba80d50254dd6258b13386","https://git.kernel.org/stable/c/31bf2714abbb0aa5a8a03d15038f8920e1c74b21","https://git.kernel.org/stable/c/ae979c549cba684e67b6c047140f3a8d2439b298","https://git.kernel.org/stable/c/9cef42a073a0bdeee7fb1b47221cda222d330d2a","https://git.kernel.org/stable/c/75460967619eda720c9a03767729157ffd171d8c","https://git.kernel.org/stable/c/8d116137119371349fb09685fe05413d8fc92efe","https://git.kernel.org/stable/c/33735490789e5417851752974c0b1d23125559cd","https://git.kernel.org/stable/c/f606ed93de0c4f1e7e3618779e9fad731455314a"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89855.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89855","state":"PUBLISHED","datePublished":"2026-09-16T10:31:28.836Z","dateUpdated":"2026-10-19T08:53:48.034Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.771Z"},"containers":{"cna":{"title":"scsi: qla2xxx: Serialize flash version read in reset handler","descriptions":[{"lang":"en","value":"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 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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8c2cf7d4e387d003259488522523807f25576427","status":"affected","lessThan":"f1fc052f2a5890ea6dba80d50254dd6258b13386","versionType":"git"},{"version":"8c2cf7d4e387d003259488522523807f25576427","status":"affected","lessThan":"31bf2714abbb0aa5a8a03d15038f8920e1c74b21","versionType":"git"},{"version":"8c2cf7d4e387d003259488522523807f25576427","status":"affected","lessThan":"ae979c549cba684e67b6c047140f3a8d2439b298","versionType":"git"},{"version":"8c2cf7d4e387d003259488522523807f25576427","status":"affected","lessThan":"9cef42a073a0bdeee7fb1b47221cda222d330d2a","versionType":"git"},{"version":"8c2cf7d4e387d003259488522523807f25576427","status":"affected","lessThan":"75460967619eda720c9a03767729157ffd171d8c","versionType":"git"},{"version":"8c2cf7d4e387d003259488522523807f25576427","status":"affected","lessThan":"8d116137119371349fb09685fe05413d8fc92efe","versionType":"git"},{"version":"8c2cf7d4e387d003259488522523807f25576427","status":"affected","lessThan":"33735490789e5417851752974c0b1d23125559cd","versionType":"git"},{"version":"8c2cf7d4e387d003259488522523807f25576427","status":"affected","lessThan":"f606ed93de0c4f1e7e3618779e9fad731455314a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_attr.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.12","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.51","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.5","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_attr.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f1fc052f2a5890ea6dba80d50254dd6258b13386"},{"url":"https://git.kernel.org/stable/c/31bf2714abbb0aa5a8a03d15038f8920e1c74b21"},{"url":"https://git.kernel.org/stable/c/ae979c549cba684e67b6c047140f3a8d2439b298"},{"url":"https://git.kernel.org/stable/c/9cef42a073a0bdeee7fb1b47221cda222d330d2a"},{"url":"https://git.kernel.org/stable/c/75460967619eda720c9a03767729157ffd171d8c"},{"url":"https://git.kernel.org/stable/c/8d116137119371349fb09685fe05413d8fc92efe"},{"url":"https://git.kernel.org/stable/c/33735490789e5417851752974c0b1d23125559cd"},{"url":"https://git.kernel.org/stable/c/f606ed93de0c4f1e7e3618779e9fad731455314a"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:53:48.034Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.18.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}