{"id":"CVE-2026-93242","title":"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…","summary":"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…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= fac2807946c10b9a509b9c348afd442fa823c5f7 < a136c311676fd1010b1bde3bcfd410caa2fa040f","Linux >= fac2807946c10b9a509b9c348afd442fa823c5f7 < d841707fafba5f80341b82e8c3a4c24fc5aa5132","Linux >= fac2807946c10b9a509b9c348afd442fa823c5f7 < 6e3f129538c32d0019437197735912308c161843","Linux >= fac2807946c10b9a509b9c348afd442fa823c5f7 < bd1534d4afab47f13dfc27fff6f59dd859a0ac3a","Linux >= fac2807946c10b9a509b9c348afd442fa823c5f7 < 31715d1e1cbf3a37ce3452635c5602f73fd7abd4","Linux >= fac2807946c10b9a509b9c348afd442fa823c5f7 < df86c27cf1ba9d66f737a1fa56479c6e7efafe4e","Linux >= fac2807946c10b9a509b9c348afd442fa823c5f7 < 3ba019bdd89d931499d9476456b5d9c7ab7fa753","Linux 5.15"],"published":"2026-09-24","updated":"2026-09-24","sourceUpdated":"2026-09-24T16:17:20.090","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93242","references":[{"url":"https://git.kernel.org/stable/c/31715d1e1cbf3a37ce3452635c5602f73fd7abd4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3ba019bdd89d931499d9476456b5d9c7ab7fa753","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6e3f129538c32d0019437197735912308c161843","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a136c311676fd1010b1bde3bcfd410caa2fa040f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bd1534d4afab47f13dfc27fff6f59dd859a0ac3a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d841707fafba5f80341b82e8c3a4c24fc5aa5132","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/df86c27cf1ba9d66f737a1fa56479c6e7efafe4e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-24T15:45:56.656Z","slug":"CVE-2026-93242","body":"## Overview\n\nIn 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().\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}