{"api_version":"1","generated_at":"2026-10-04T05:40:45+00:00","cve":"CVE-2026-93242","urls":{"html":"https://cve.report/CVE-2026-93242","api":"https://cve.report/api/cve/CVE-2026-93242.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-93242","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-93242"},"summary":{"title":"scsi: qla2xxx: Fix response queue over-consumption in __qla_consume_iocb()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix response queue over-consumption in __qla_consume_iocb()\n\nqla24xx_process_response_queue() advances ring_ptr past the head IOCB\nbefore dispatching, so by the time __qla_consume_iocb() runs, ring_ptr\nalready points at the first continuation IOCB. The function however\nlooped purex->entry_count times starting at ring_ptr. As entry_count\nincludes the head, this consumed one entry too many: it stamped\nRESPONSE_PROCESSED on the next, unrelated IOCB and advanced the ring\npast it, silently dropping a legitimate firmware response. The head\nIOCB's signature was also never marked.\n\nMark the head processed and account for it, then consume only the\nentry_count - 1 continuation IOCBs, matching __qla_copy_purex_to_buffer().","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-24 16:17:20","updated_at":"2026-09-24 16:17:20"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/df86c27cf1ba9d66f737a1fa56479c6e7efafe4e","name":"https://git.kernel.org/stable/c/df86c27cf1ba9d66f737a1fa56479c6e7efafe4e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6e3f129538c32d0019437197735912308c161843","name":"https://git.kernel.org/stable/c/6e3f129538c32d0019437197735912308c161843","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a136c311676fd1010b1bde3bcfd410caa2fa040f","name":"https://git.kernel.org/stable/c/a136c311676fd1010b1bde3bcfd410caa2fa040f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/31715d1e1cbf3a37ce3452635c5602f73fd7abd4","name":"https://git.kernel.org/stable/c/31715d1e1cbf3a37ce3452635c5602f73fd7abd4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3ba019bdd89d931499d9476456b5d9c7ab7fa753","name":"https://git.kernel.org/stable/c/3ba019bdd89d931499d9476456b5d9c7ab7fa753","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d841707fafba5f80341b82e8c3a4c24fc5aa5132","name":"https://git.kernel.org/stable/c/d841707fafba5f80341b82e8c3a4c24fc5aa5132","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bd1534d4afab47f13dfc27fff6f59dd859a0ac3a","name":"https://git.kernel.org/stable/c/bd1534d4afab47f13dfc27fff6f59dd859a0ac3a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93242","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93242","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fac2807946c10b9a509b9c348afd442fa823c5f7 a136c311676fd1010b1bde3bcfd410caa2fa040f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fac2807946c10b9a509b9c348afd442fa823c5f7 d841707fafba5f80341b82e8c3a4c24fc5aa5132 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fac2807946c10b9a509b9c348afd442fa823c5f7 6e3f129538c32d0019437197735912308c161843 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fac2807946c10b9a509b9c348afd442fa823c5f7 bd1534d4afab47f13dfc27fff6f59dd859a0ac3a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fac2807946c10b9a509b9c348afd442fa823c5f7 31715d1e1cbf3a37ce3452635c5602f73fd7abd4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fac2807946c10b9a509b9c348afd442fa823c5f7 df86c27cf1ba9d66f737a1fa56479c6e7efafe4e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fac2807946c10b9a509b9c348afd442fa823c5f7 3ba019bdd89d931499d9476456b5d9c7ab7fa753 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.15","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.221 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.188 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.51 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.5 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":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/scsi/qla2xxx/qla_isr.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a136c311676fd1010b1bde3bcfd410caa2fa040f","status":"affected","version":"fac2807946c10b9a509b9c348afd442fa823c5f7","versionType":"git"},{"lessThan":"d841707fafba5f80341b82e8c3a4c24fc5aa5132","status":"affected","version":"fac2807946c10b9a509b9c348afd442fa823c5f7","versionType":"git"},{"lessThan":"6e3f129538c32d0019437197735912308c161843","status":"affected","version":"fac2807946c10b9a509b9c348afd442fa823c5f7","versionType":"git"},{"lessThan":"bd1534d4afab47f13dfc27fff6f59dd859a0ac3a","status":"affected","version":"fac2807946c10b9a509b9c348afd442fa823c5f7","versionType":"git"},{"lessThan":"31715d1e1cbf3a37ce3452635c5602f73fd7abd4","status":"affected","version":"fac2807946c10b9a509b9c348afd442fa823c5f7","versionType":"git"},{"lessThan":"df86c27cf1ba9d66f737a1fa56479c6e7efafe4e","status":"affected","version":"fac2807946c10b9a509b9c348afd442fa823c5f7","versionType":"git"},{"lessThan":"3ba019bdd89d931499d9476456b5d9c7ab7fa753","status":"affected","version":"fac2807946c10b9a509b9c348afd442fa823c5f7","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/scsi/qla2xxx/qla_isr.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.15"},{"lessThan":"5.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.221","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.188","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.51","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.5","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":"5.15.221","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.51","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.5","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"5.15","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix response queue over-consumption in __qla_consume_iocb()\n\nqla24xx_process_response_queue() advances ring_ptr past the head IOCB\nbefore dispatching, so by the time __qla_consume_iocb() runs, ring_ptr\nalready points at the first continuation IOCB. The function however\nlooped purex->entry_count times starting at ring_ptr. As entry_count\nincludes the head, this consumed one entry too many: it stamped\nRESPONSE_PROCESSED on the next, unrelated IOCB and advanced the ring\npast it, silently dropping a legitimate firmware response. The head\nIOCB's signature was also never marked.\n\nMark the head processed and account for it, then consume only the\nentry_count - 1 continuation IOCBs, matching __qla_copy_purex_to_buffer()."}],"providerMetadata":{"dateUpdated":"2026-09-24T15:40:26.570Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/a136c311676fd1010b1bde3bcfd410caa2fa040f"},{"url":"https://git.kernel.org/stable/c/d841707fafba5f80341b82e8c3a4c24fc5aa5132"},{"url":"https://git.kernel.org/stable/c/6e3f129538c32d0019437197735912308c161843"},{"url":"https://git.kernel.org/stable/c/bd1534d4afab47f13dfc27fff6f59dd859a0ac3a"},{"url":"https://git.kernel.org/stable/c/31715d1e1cbf3a37ce3452635c5602f73fd7abd4"},{"url":"https://git.kernel.org/stable/c/df86c27cf1ba9d66f737a1fa56479c6e7efafe4e"},{"url":"https://git.kernel.org/stable/c/3ba019bdd89d931499d9476456b5d9c7ab7fa753"}],"title":"scsi: qla2xxx: Fix response queue over-consumption in __qla_consume_iocb()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-93242","datePublished":"2026-09-24T15:40:26.570Z","dateReserved":"2026-09-17T16:02:15.095Z","dateUpdated":"2026-09-24T15:40:26.570Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-24 16:17:20","lastModifiedDate":"2026-09-24 16:17:20","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"93242","Ordinal":"1","Title":"scsi: qla2xxx: Fix response queue over-consumption in __qla_cons","CVE":"CVE-2026-93242","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"93242","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix response queue over-consumption in __qla_consume_iocb()\n\nqla24xx_process_response_queue() advances ring_ptr past the head IOCB\nbefore dispatching, so by the time __qla_consume_iocb() runs, ring_ptr\nalready points at the first continuation IOCB. The function however\nlooped purex->entry_count times starting at ring_ptr. As entry_count\nincludes the head, this consumed one entry too many: it stamped\nRESPONSE_PROCESSED on the next, unrelated IOCB and advanced the ring\npast it, silently dropping a legitimate firmware response. The head\nIOCB's signature was also never marked.\n\nMark the head processed and account for it, then consume only the\nentry_count - 1 continuation IOCBs, matching __qla_copy_purex_to_buffer().","Type":"Description","Title":"scsi: qla2xxx: Fix response queue over-consumption in __qla_cons"}]}}}