{"id":"CVE-2026-80691","summary":"scsi: target: iblock: Fix wrong PR ops NULL check for PREEMPT/RELEASE","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: iblock: Fix wrong PR ops NULL check for PREEMPT/RELEASE\n\nIn the iblock_execute_pr_out() function, PRO_PREEMPT,\nPRO_PREEMPT_AND_ABORT, and PRO_RELEASE all perform callback capability\nchecks through ops-\u003epr_clear. The error check allows unimplemented hooks\nto pass through the gate, resulting dereferencing a NULL function\npointer.\n\nCheck whether the hooks that need to be called are supported.","modified":"2026-08-30T03:48:21.087750081Z","published":"2026-08-28T06:52:54.933Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80691.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3c60a8b4037dc35e365658fcbcb349a5d742ff49"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9c33222bd387312874fbe36ca8002e5c945b9653"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a326b19cfb7775378b50acaa8d836ba44e29b4c2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bdd8a1297ef101bb5ac57e53b4fbe5e364afd8b1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f15bcf9a99b1b2683fcfa005b9b3680b5600581f"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80691.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80691"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"394f811848827ad23d2b43e94e5d72a24cfbc39f"},{"fixed":"3c60a8b4037dc35e365658fcbcb349a5d742ff49"},{"fixed":"a326b19cfb7775378b50acaa8d836ba44e29b4c2"},{"fixed":"bdd8a1297ef101bb5ac57e53b4fbe5e364afd8b1"},{"fixed":"f15bcf9a99b1b2683fcfa005b9b3680b5600581f"},{"fixed":"9c33222bd387312874fbe36ca8002e5c945b9653"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80691.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.5.0"},{"fixed":"6.6.151"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.103"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.44"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80691.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}