{"id":"CVE-2026-98386","state":"PUBLISHED","title":"scsi: qla2xxx: Use memset_io() to clear QLAFX00 request ring slot","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Use memset_io() to clear QLAFX00 request ring slot\n\nFor QLAFX00 the request ring is ioremapped device I/O memory\n(ha->iobase + req_que_off), not DMA-coherent RAM, which is why the rest\nof the FX00 path accesses it through memcpy_toio() and the wrt_reg_*\nhelpers. __qla2x00_alloc_iocbs() however zeroed the producer slot with a\nplain memset(). On architectures such as ARM64 a regular memset() may\nemit unaligned or block-zeroing instructions (e.g. DC ZVA) that are\ninvalid on Device memory, leading to a synchronous external abort.\n\nUse memset_io() to clear the slot for QLAFX00, matching the I/O\naccessors used elsewhere on this ring. Other adapters keep the plain\nmemset() on their DMA-coherent rings. The zero-fill is retained for FX00\nbecause its IOCB builders (e.g. qlafx00_fxdisc_iocb()) copy only part of\nthe entry and rely on the unused tail being pre-zeroed.","publishedAt":"2026-10-14T13:25:50.908Z","updatedAt":"2026-10-30T12:38:06.821Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8ae6d9c7eb1004bc134813287010d57a863ba13b","status":"affected","lessThan":"0eca1d7a4dac793224e6e295e29e00245e96cf16","versionType":"git"},{"version":"8ae6d9c7eb1004bc134813287010d57a863ba13b","status":"affected","lessThan":"337026cf8149dcfedacd60d6d7081bff10ee5cd4","versionType":"git"},{"version":"8ae6d9c7eb1004bc134813287010d57a863ba13b","status":"affected","lessThan":"6e8f1144d06cfd8cf8c346066efd8f572b28f768","versionType":"git"},{"version":"8ae6d9c7eb1004bc134813287010d57a863ba13b","status":"affected","lessThan":"2df8c8630904794100189fa3d70598642e1877ce","versionType":"git"},{"version":"8ae6d9c7eb1004bc134813287010d57a863ba13b","status":"affected","lessThan":"53eb96c244d150dfb8cc4b5b0492ab53755f3701","versionType":"git"},{"version":"8ae6d9c7eb1004bc134813287010d57a863ba13b","status":"affected","lessThan":"6ee6dfd922fafd508f6bde16de30dd2db796b7a7","versionType":"git"},{"version":"8ae6d9c7eb1004bc134813287010d57a863ba13b","status":"affected","lessThan":"e41d28d9a242c4005b7d01a7ee7769405a6a2c2e","versionType":"git"},{"version":"8ae6d9c7eb1004bc134813287010d57a863ba13b","status":"affected","lessThan":"626e44f3d8a924a97a3848a9fd45833947e081e9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_iocb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.10","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","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_iocb.c"]}],"references":["https://git.kernel.org/stable/c/0eca1d7a4dac793224e6e295e29e00245e96cf16","https://git.kernel.org/stable/c/337026cf8149dcfedacd60d6d7081bff10ee5cd4","https://git.kernel.org/stable/c/6e8f1144d06cfd8cf8c346066efd8f572b28f768","https://git.kernel.org/stable/c/2df8c8630904794100189fa3d70598642e1877ce","https://git.kernel.org/stable/c/53eb96c244d150dfb8cc4b5b0492ab53755f3701","https://git.kernel.org/stable/c/6ee6dfd922fafd508f6bde16de30dd2db796b7a7","https://git.kernel.org/stable/c/e41d28d9a242c4005b7d01a7ee7769405a6a2c2e","https://git.kernel.org/stable/c/626e44f3d8a924a97a3848a9fd45833947e081e9"],"weaknesses":[],"ingestedAt":"2026-10-30T12:58:04.520Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98386.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98386","state":"PUBLISHED","datePublished":"2026-10-14T13:25:50.908Z","dateUpdated":"2026-10-30T12:38:06.821Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.346Z"},"containers":{"cna":{"title":"scsi: qla2xxx: Use memset_io() to clear QLAFX00 request ring slot","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Use memset_io() to clear QLAFX00 request ring slot\n\nFor QLAFX00 the request ring is ioremapped device I/O memory\n(ha->iobase + req_que_off), not DMA-coherent RAM, which is why the rest\nof the FX00 path accesses it through memcpy_toio() and the wrt_reg_*\nhelpers. __qla2x00_alloc_iocbs() however zeroed the producer slot with a\nplain memset(). On architectures such as ARM64 a regular memset() may\nemit unaligned or block-zeroing instructions (e.g. DC ZVA) that are\ninvalid on Device memory, leading to a synchronous external abort.\n\nUse memset_io() to clear the slot for QLAFX00, matching the I/O\naccessors used elsewhere on this ring. Other adapters keep the plain\nmemset() on their DMA-coherent rings. The zero-fill is retained for FX00\nbecause its IOCB builders (e.g. qlafx00_fxdisc_iocb()) copy only part of\nthe entry and rely on the unused tail being pre-zeroed."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8ae6d9c7eb1004bc134813287010d57a863ba13b","status":"affected","lessThan":"0eca1d7a4dac793224e6e295e29e00245e96cf16","versionType":"git"},{"version":"8ae6d9c7eb1004bc134813287010d57a863ba13b","status":"affected","lessThan":"337026cf8149dcfedacd60d6d7081bff10ee5cd4","versionType":"git"},{"version":"8ae6d9c7eb1004bc134813287010d57a863ba13b","status":"affected","lessThan":"6e8f1144d06cfd8cf8c346066efd8f572b28f768","versionType":"git"},{"version":"8ae6d9c7eb1004bc134813287010d57a863ba13b","status":"affected","lessThan":"2df8c8630904794100189fa3d70598642e1877ce","versionType":"git"},{"version":"8ae6d9c7eb1004bc134813287010d57a863ba13b","status":"affected","lessThan":"53eb96c244d150dfb8cc4b5b0492ab53755f3701","versionType":"git"},{"version":"8ae6d9c7eb1004bc134813287010d57a863ba13b","status":"affected","lessThan":"6ee6dfd922fafd508f6bde16de30dd2db796b7a7","versionType":"git"},{"version":"8ae6d9c7eb1004bc134813287010d57a863ba13b","status":"affected","lessThan":"e41d28d9a242c4005b7d01a7ee7769405a6a2c2e","versionType":"git"},{"version":"8ae6d9c7eb1004bc134813287010d57a863ba13b","status":"affected","lessThan":"626e44f3d8a924a97a3848a9fd45833947e081e9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_iocb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.10","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","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_iocb.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/0eca1d7a4dac793224e6e295e29e00245e96cf16"},{"url":"https://git.kernel.org/stable/c/337026cf8149dcfedacd60d6d7081bff10ee5cd4"},{"url":"https://git.kernel.org/stable/c/6e8f1144d06cfd8cf8c346066efd8f572b28f768"},{"url":"https://git.kernel.org/stable/c/2df8c8630904794100189fa3d70598642e1877ce"},{"url":"https://git.kernel.org/stable/c/53eb96c244d150dfb8cc4b5b0492ab53755f3701"},{"url":"https://git.kernel.org/stable/c/6ee6dfd922fafd508f6bde16de30dd2db796b7a7"},{"url":"https://git.kernel.org/stable/c/e41d28d9a242c4005b7d01a7ee7769405a6a2c2e"},{"url":"https://git.kernel.org/stable/c/626e44f3d8a924a97a3848a9fd45833947e081e9"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:38:06.821Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.10.273"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.15.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}