{"id":"CVE-2026-80691","aliases":[],"url":"https://o3.security/vulnerability/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->pr_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.","published":"2026-08-28T06:52:54.933Z","modified":"2026-08-30T03:48:21.087750081Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"6.6.151"}],"fix":null,"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"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-30T03:48:21.087750081Z"}}