{"id":"CVE-2026-89858","state":"PUBLISHED","title":"scsi: qla2xxx: Bound image count in qla2x00_update_fru_versions()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Bound image count in qla2x00_update_fru_versions()\n\nqla2x00_update_fru_versions() copies the user-supplied BSG request into\na fixed 256-byte stack buffer (bsg[DMA_POOL_SIZE]) and then iterates\nlist->count times over the qla_image_version array embedded in that\nbuffer, advancing the image pointer each iteration. count is taken\ndirectly from user input with no upper bound, while only (DMA_POOL_SIZE\n- sizeof(list->count)) / sizeof(struct qla_image_version) = 6 entries\nactually fit. A larger count walks the image pointer off the end of the\nstack buffer, reading adjacent kernel stack memory and sending it to the\ndevice via qla2x00_write_sfp().\n\nReject requests whose declared count does not fit in the buffer.","publishedAt":"2026-09-16T10:31:30.876Z","updatedAt":"2026-10-19T08:53:50.969Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"697a4bc69159c3396035b0506ffa55c4b2d0b1f4","status":"affected","lessThan":"af733bbfcf667af1871a2735fba2835b0da71efb","versionType":"git"},{"version":"697a4bc69159c3396035b0506ffa55c4b2d0b1f4","status":"affected","lessThan":"a9706d5e754e77515a92bb532bd0d73644979a1f","versionType":"git"},{"version":"697a4bc69159c3396035b0506ffa55c4b2d0b1f4","status":"affected","lessThan":"7e3154c97ec15460f715dbbe4097c255cce110b1","versionType":"git"},{"version":"697a4bc69159c3396035b0506ffa55c4b2d0b1f4","status":"affected","lessThan":"047f1f7ee6f85bde28abfdda9fa550191ddc0532","versionType":"git"},{"version":"697a4bc69159c3396035b0506ffa55c4b2d0b1f4","status":"affected","lessThan":"f93e8039e6fd54a3c027c6184daf00b745b576a0","versionType":"git"},{"version":"697a4bc69159c3396035b0506ffa55c4b2d0b1f4","status":"affected","lessThan":"7b22b4cb8822805cef7ba618da6f76e1474d68bd","versionType":"git"},{"version":"697a4bc69159c3396035b0506ffa55c4b2d0b1f4","status":"affected","lessThan":"f2d4f025b67fcbfb2bbbadd3b5a6a43c4b436514","versionType":"git"},{"version":"697a4bc69159c3396035b0506ffa55c4b2d0b1f4","status":"affected","lessThan":"de62cf265dbe309f34f144a6cdbca9240317727e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_bsg.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.2","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_bsg.c"]}],"references":["https://git.kernel.org/stable/c/af733bbfcf667af1871a2735fba2835b0da71efb","https://git.kernel.org/stable/c/a9706d5e754e77515a92bb532bd0d73644979a1f","https://git.kernel.org/stable/c/7e3154c97ec15460f715dbbe4097c255cce110b1","https://git.kernel.org/stable/c/047f1f7ee6f85bde28abfdda9fa550191ddc0532","https://git.kernel.org/stable/c/f93e8039e6fd54a3c027c6184daf00b745b576a0","https://git.kernel.org/stable/c/7b22b4cb8822805cef7ba618da6f76e1474d68bd","https://git.kernel.org/stable/c/f2d4f025b67fcbfb2bbbadd3b5a6a43c4b436514","https://git.kernel.org/stable/c/de62cf265dbe309f34f144a6cdbca9240317727e"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89858.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89858","state":"PUBLISHED","datePublished":"2026-09-16T10:31:30.876Z","dateUpdated":"2026-10-19T08:53:50.969Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.771Z"},"containers":{"cna":{"title":"scsi: qla2xxx: Bound image count in qla2x00_update_fru_versions()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Bound image count in qla2x00_update_fru_versions()\n\nqla2x00_update_fru_versions() copies the user-supplied BSG request into\na fixed 256-byte stack buffer (bsg[DMA_POOL_SIZE]) and then iterates\nlist->count times over the qla_image_version array embedded in that\nbuffer, advancing the image pointer each iteration. count is taken\ndirectly from user input with no upper bound, while only (DMA_POOL_SIZE\n- sizeof(list->count)) / sizeof(struct qla_image_version) = 6 entries\nactually fit. A larger count walks the image pointer off the end of the\nstack buffer, reading adjacent kernel stack memory and sending it to the\ndevice via qla2x00_write_sfp().\n\nReject requests whose declared count does not fit in the buffer."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"697a4bc69159c3396035b0506ffa55c4b2d0b1f4","status":"affected","lessThan":"af733bbfcf667af1871a2735fba2835b0da71efb","versionType":"git"},{"version":"697a4bc69159c3396035b0506ffa55c4b2d0b1f4","status":"affected","lessThan":"a9706d5e754e77515a92bb532bd0d73644979a1f","versionType":"git"},{"version":"697a4bc69159c3396035b0506ffa55c4b2d0b1f4","status":"affected","lessThan":"7e3154c97ec15460f715dbbe4097c255cce110b1","versionType":"git"},{"version":"697a4bc69159c3396035b0506ffa55c4b2d0b1f4","status":"affected","lessThan":"047f1f7ee6f85bde28abfdda9fa550191ddc0532","versionType":"git"},{"version":"697a4bc69159c3396035b0506ffa55c4b2d0b1f4","status":"affected","lessThan":"f93e8039e6fd54a3c027c6184daf00b745b576a0","versionType":"git"},{"version":"697a4bc69159c3396035b0506ffa55c4b2d0b1f4","status":"affected","lessThan":"7b22b4cb8822805cef7ba618da6f76e1474d68bd","versionType":"git"},{"version":"697a4bc69159c3396035b0506ffa55c4b2d0b1f4","status":"affected","lessThan":"f2d4f025b67fcbfb2bbbadd3b5a6a43c4b436514","versionType":"git"},{"version":"697a4bc69159c3396035b0506ffa55c4b2d0b1f4","status":"affected","lessThan":"de62cf265dbe309f34f144a6cdbca9240317727e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_bsg.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.2","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_bsg.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/af733bbfcf667af1871a2735fba2835b0da71efb"},{"url":"https://git.kernel.org/stable/c/a9706d5e754e77515a92bb532bd0d73644979a1f"},{"url":"https://git.kernel.org/stable/c/7e3154c97ec15460f715dbbe4097c255cce110b1"},{"url":"https://git.kernel.org/stable/c/047f1f7ee6f85bde28abfdda9fa550191ddc0532"},{"url":"https://git.kernel.org/stable/c/f93e8039e6fd54a3c027c6184daf00b745b576a0"},{"url":"https://git.kernel.org/stable/c/7b22b4cb8822805cef7ba618da6f76e1474d68bd"},{"url":"https://git.kernel.org/stable/c/f2d4f025b67fcbfb2bbbadd3b5a6a43c4b436514"},{"url":"https://git.kernel.org/stable/c/de62cf265dbe309f34f144a6cdbca9240317727e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:53:50.969Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.18.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}