{"id":"CVE-2026-89842","state":"PUBLISHED","title":"scsi: qla2xxx: Skip NVMe LS reject IOCB when FW not started","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Skip NVMe LS reject IOCB when FW not started\n\nqla_nvme_xmt_ls_rsp() bails out to the out: label when firmware is not\nstarted (!ha->flags.fw_started), but the out: path unconditionally calls\nqla_nvme_ls_reject_iocb(), which ends in qla2x00_start_iocbs() and an\nunconditional doorbell write to the request queue in-pointer register.\nThis rings the firmware doorbell and queues an IOCB that stopped or\nresetting firmware cannot consume, and touches MMIO during the reset/EEH\nwindow where fw_started is also clear.\n\nOnly emit the LS reject IOCB (and ring the doorbell) when fw_started is\nset; otherwise just clean up and return. The post-allocation failure\ncases (SRB alloc / qla2x00_start_sp() failure) run with firmware started\nand still send the reject. Apply the same guard to the reject emission\nin qla2xxx_process_purls_pkt().","publishedAt":"2026-09-16T10:31:16.544Z","updatedAt":"2026-10-19T08:53:35.290Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"875386b98857822b77ac7f95bdf367b70af5b78c","status":"affected","lessThan":"2935b730211c5c1433aa6101fa3b55df2b63869a","versionType":"git"},{"version":"875386b98857822b77ac7f95bdf367b70af5b78c","status":"affected","lessThan":"7c1fc75dd3fb6b6414508fbdf7aeed0d757c9120","versionType":"git"},{"version":"875386b98857822b77ac7f95bdf367b70af5b78c","status":"affected","lessThan":"ac4b019ac07844d3f67ea5e48b1d982b2170d1a7","versionType":"git"},{"version":"875386b98857822b77ac7f95bdf367b70af5b78c","status":"affected","lessThan":"e9bfb56e2c1bda49d3c5442d824569d71eec07e2","versionType":"git"},{"version":"875386b98857822b77ac7f95bdf367b70af5b78c","status":"affected","lessThan":"f7e46ebffc5781aab3f1f5a5d4350addbb5833f4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_nvme.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","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_nvme.c"]}],"references":["https://git.kernel.org/stable/c/2935b730211c5c1433aa6101fa3b55df2b63869a","https://git.kernel.org/stable/c/7c1fc75dd3fb6b6414508fbdf7aeed0d757c9120","https://git.kernel.org/stable/c/ac4b019ac07844d3f67ea5e48b1d982b2170d1a7","https://git.kernel.org/stable/c/e9bfb56e2c1bda49d3c5442d824569d71eec07e2","https://git.kernel.org/stable/c/f7e46ebffc5781aab3f1f5a5d4350addbb5833f4"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89842.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89842","state":"PUBLISHED","datePublished":"2026-09-16T10:31:16.544Z","dateUpdated":"2026-10-19T08:53:35.290Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.770Z"},"containers":{"cna":{"title":"scsi: qla2xxx: Skip NVMe LS reject IOCB when FW not started","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Skip NVMe LS reject IOCB when FW not started\n\nqla_nvme_xmt_ls_rsp() bails out to the out: label when firmware is not\nstarted (!ha->flags.fw_started), but the out: path unconditionally calls\nqla_nvme_ls_reject_iocb(), which ends in qla2x00_start_iocbs() and an\nunconditional doorbell write to the request queue in-pointer register.\nThis rings the firmware doorbell and queues an IOCB that stopped or\nresetting firmware cannot consume, and touches MMIO during the reset/EEH\nwindow where fw_started is also clear.\n\nOnly emit the LS reject IOCB (and ring the doorbell) when fw_started is\nset; otherwise just clean up and return. The post-allocation failure\ncases (SRB alloc / qla2x00_start_sp() failure) run with firmware started\nand still send the reject. Apply the same guard to the reject emission\nin qla2xxx_process_purls_pkt()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"875386b98857822b77ac7f95bdf367b70af5b78c","status":"affected","lessThan":"2935b730211c5c1433aa6101fa3b55df2b63869a","versionType":"git"},{"version":"875386b98857822b77ac7f95bdf367b70af5b78c","status":"affected","lessThan":"7c1fc75dd3fb6b6414508fbdf7aeed0d757c9120","versionType":"git"},{"version":"875386b98857822b77ac7f95bdf367b70af5b78c","status":"affected","lessThan":"ac4b019ac07844d3f67ea5e48b1d982b2170d1a7","versionType":"git"},{"version":"875386b98857822b77ac7f95bdf367b70af5b78c","status":"affected","lessThan":"e9bfb56e2c1bda49d3c5442d824569d71eec07e2","versionType":"git"},{"version":"875386b98857822b77ac7f95bdf367b70af5b78c","status":"affected","lessThan":"f7e46ebffc5781aab3f1f5a5d4350addbb5833f4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_nvme.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","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_nvme.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/2935b730211c5c1433aa6101fa3b55df2b63869a"},{"url":"https://git.kernel.org/stable/c/7c1fc75dd3fb6b6414508fbdf7aeed0d757c9120"},{"url":"https://git.kernel.org/stable/c/ac4b019ac07844d3f67ea5e48b1d982b2170d1a7"},{"url":"https://git.kernel.org/stable/c/e9bfb56e2c1bda49d3c5442d824569d71eec07e2"},{"url":"https://git.kernel.org/stable/c/f7e46ebffc5781aab3f1f5a5d4350addbb5833f4"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:53:35.290Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.18.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}