{"api_version":"1","generated_at":"2026-10-05T22:00:20+00:00","cve":"CVE-2026-97529","urls":{"html":"https://cve.report/CVE-2026-97529","api":"https://cve.report/api/cve/CVE-2026-97529.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-97529","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-97529"},"summary":{"title":"scsi: qla2xxx: Validate BSG request_len before reading vendor_cmd[]","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Validate BSG request_len before reading vendor_cmd[]\n\nThe FC BSG transport allocates job->request via memdup_user() using the\nexact user-supplied request_len. For FC_BSG_HST_VENDOR,\nfc_bsg_host_dispatch() only guarantees request_len covers msgcode and\nvendor_id; it does not account for the vendor_cmd[] flexible array.\n\nqla2xxx then reads the command selector vendor_cmd[0] and, in several\nsub-handlers, vendor_cmd[1]/[2] or structures overlaid on the vendor\ncommand area without verifying request_len. A caller holding\nCAP_SYS_RAWIO can submit a short request whose vendor_id matches the\nhost, triggering out-of-bounds heap reads (KASAN-detectable, and able to\nmis-select a command or panic).\n\nAdd a central guard in qla2x00_process_vendor_specific() so the selector\nis always in bounds, restrict the early vendor_cmd[0] read in\nqla24xx_bsg_request() to sufficiently long vendor messages, and add\nrequest_len checks to the sub-handlers that read further:\nqla24xx_proc_fcp_prio_cfg_cmd(), qla2x00_process_loopback(),\nqla84xx_reset(), qla84xx_updatefw(), qla2x00_read_optrom(),\nqla2x00_update_optrom(), qlafx00_mgmt_cmd() and\nqla28xx_validate_flash_image().","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-25 11:17:03","updated_at":"2026-10-03 11:18:01"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/f75bff451a2fac5aed82f9641df1e9a42c5a899d","name":"https://git.kernel.org/stable/c/f75bff451a2fac5aed82f9641df1e9a42c5a899d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ef63922d8bdea03de1804af39a6b12212acb1be2","name":"https://git.kernel.org/stable/c/ef63922d8bdea03de1804af39a6b12212acb1be2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4cf38dd9465736141263ebb63375868311a0ec81","name":"https://git.kernel.org/stable/c/4cf38dd9465736141263ebb63375868311a0ec81","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/740f3458a4798af54aaf8cf63e797d407e8b6d3b","name":"https://git.kernel.org/stable/c/740f3458a4798af54aaf8cf63e797d407e8b6d3b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97529","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97529","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 01e0e15c8b3b32e006e5cccac10c8b377ac3d803 ef63922d8bdea03de1804af39a6b12212acb1be2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 01e0e15c8b3b32e006e5cccac10c8b377ac3d803 740f3458a4798af54aaf8cf63e797d407e8b6d3b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 01e0e15c8b3b32e006e5cccac10c8b377ac3d803 f75bff451a2fac5aed82f9641df1e9a42c5a899d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 01e0e15c8b3b32e006e5cccac10c8b377ac3d803 4cf38dd9465736141263ebb63375868311a0ec81 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.10","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.10 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.112 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.53 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.7 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"97529","cve":"CVE-2026-97529","epss":"0.002000000","percentile":"0.088850000","score_date":"2026-10-04","updated_at":"2026-10-05 00:09:44"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/scsi/qla2xxx/qla_bsg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ef63922d8bdea03de1804af39a6b12212acb1be2","status":"affected","version":"01e0e15c8b3b32e006e5cccac10c8b377ac3d803","versionType":"git"},{"lessThan":"740f3458a4798af54aaf8cf63e797d407e8b6d3b","status":"affected","version":"01e0e15c8b3b32e006e5cccac10c8b377ac3d803","versionType":"git"},{"lessThan":"f75bff451a2fac5aed82f9641df1e9a42c5a899d","status":"affected","version":"01e0e15c8b3b32e006e5cccac10c8b377ac3d803","versionType":"git"},{"lessThan":"4cf38dd9465736141263ebb63375868311a0ec81","status":"affected","version":"01e0e15c8b3b32e006e5cccac10c8b377ac3d803","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/scsi/qla2xxx/qla_bsg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.10"},{"lessThan":"4.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.112","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.112","versionStartIncluding":"4.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"4.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.7","versionStartIncluding":"4.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"4.10","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Validate BSG request_len before reading vendor_cmd[]\n\nThe FC BSG transport allocates job->request via memdup_user() using the\nexact user-supplied request_len. For FC_BSG_HST_VENDOR,\nfc_bsg_host_dispatch() only guarantees request_len covers msgcode and\nvendor_id; it does not account for the vendor_cmd[] flexible array.\n\nqla2xxx then reads the command selector vendor_cmd[0] and, in several\nsub-handlers, vendor_cmd[1]/[2] or structures overlaid on the vendor\ncommand area without verifying request_len. A caller holding\nCAP_SYS_RAWIO can submit a short request whose vendor_id matches the\nhost, triggering out-of-bounds heap reads (KASAN-detectable, and able to\nmis-select a command or panic).\n\nAdd a central guard in qla2x00_process_vendor_specific() so the selector\nis always in bounds, restrict the early vendor_cmd[0] read in\nqla24xx_bsg_request() to sufficiently long vendor messages, and add\nrequest_len checks to the sub-handlers that read further:\nqla24xx_proc_fcp_prio_cfg_cmd(), qla2x00_process_loopback(),\nqla84xx_reset(), qla84xx_updatefw(), qla2x00_read_optrom(),\nqla2x00_update_optrom(), qlafx00_mgmt_cmd() and\nqla28xx_validate_flash_image()."}],"providerMetadata":{"dateUpdated":"2026-10-03T10:59:21.533Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ef63922d8bdea03de1804af39a6b12212acb1be2"},{"url":"https://git.kernel.org/stable/c/740f3458a4798af54aaf8cf63e797d407e8b6d3b"},{"url":"https://git.kernel.org/stable/c/f75bff451a2fac5aed82f9641df1e9a42c5a899d"},{"url":"https://git.kernel.org/stable/c/4cf38dd9465736141263ebb63375868311a0ec81"}],"title":"scsi: qla2xxx: Validate BSG request_len before reading vendor_cmd[]","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-97529","datePublished":"2026-09-25T10:21:30.733Z","dateReserved":"2026-09-24T16:01:01.153Z","dateUpdated":"2026-10-03T10:59:21.533Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-25 11:17:03","lastModifiedDate":"2026-10-03 11:18:01","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"97529","Ordinal":"1","Title":"scsi: qla2xxx: Validate BSG request_len before reading vendor_cm","CVE":"CVE-2026-97529","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"97529","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Validate BSG request_len before reading vendor_cmd[]\n\nThe FC BSG transport allocates job->request via memdup_user() using the\nexact user-supplied request_len. For FC_BSG_HST_VENDOR,\nfc_bsg_host_dispatch() only guarantees request_len covers msgcode and\nvendor_id; it does not account for the vendor_cmd[] flexible array.\n\nqla2xxx then reads the command selector vendor_cmd[0] and, in several\nsub-handlers, vendor_cmd[1]/[2] or structures overlaid on the vendor\ncommand area without verifying request_len. A caller holding\nCAP_SYS_RAWIO can submit a short request whose vendor_id matches the\nhost, triggering out-of-bounds heap reads (KASAN-detectable, and able to\nmis-select a command or panic).\n\nAdd a central guard in qla2x00_process_vendor_specific() so the selector\nis always in bounds, restrict the early vendor_cmd[0] read in\nqla24xx_bsg_request() to sufficiently long vendor messages, and add\nrequest_len checks to the sub-handlers that read further:\nqla24xx_proc_fcp_prio_cfg_cmd(), qla2x00_process_loopback(),\nqla84xx_reset(), qla84xx_updatefw(), qla2x00_read_optrom(),\nqla2x00_update_optrom(), qlafx00_mgmt_cmd() and\nqla28xx_validate_flash_image().","Type":"Description","Title":"scsi: qla2xxx: Validate BSG request_len before reading vendor_cm"}]}}}