{"id":"CVE-2026-80691","revision":"ccc5b04a09244c42b2a0df8f6dab1273","records":[{"revision":"ccc5b04a09244c42b2a0df8f6dab1273","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-80691","aliases":[],"title":"scsi: target: iblock: Fix wrong PR ops NULL check for PREEMPT/RELEASE","description":"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.","state":0,"publishedAt":"2026-08-28T06:52:54.933+00:00","modifiedAt":"2026-10-16T19:26:33.427+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/target/target_core_iblock.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"394f811848827ad23d2b43e94e5d72a24cfbc39f\",\n                            \"lessThan\": \"3c60a8b4037dc35e365658fcbcb349a5d742ff49\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"394f811848827ad23d2b43e94e5d72a24cfbc39f\",\n                            \"lessThan\": \"a326b19cfb7775378b50acaa8d836ba44e29b4c2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"394f811848827ad23d2b43e94e5d72a24cfbc39f\",\n                            \"lessThan\": \"bdd8a1297ef101bb5ac57e53b4fbe5e364afd8b1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"394f811848827ad23d2b43e94e5d72a24cfbc39f\",\n                            \"lessThan\": \"f15bcf9a99b1b2683fcfa005b9b3680b5600581f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"394f811848827ad23d2b43e94e5d72a24cfbc39f\",\n                            \"lessThan\": \"9c33222bd387312874fbe36ca8002e5c945b9653\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/target/target_core_iblock.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.5\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.5\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.151\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.103\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.44\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.8\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/3c60a8b4037dc35e365658fcbcb349a5d742ff49","https://git.kernel.org/stable/c/a326b19cfb7775378b50acaa8d836ba44e29b4c2","https://git.kernel.org/stable/c/bdd8a1297ef101bb5ac57e53b4fbe5e364afd8b1","https://git.kernel.org/stable/c/f15bcf9a99b1b2683fcfa005b9b3680b5600581f","https://git.kernel.org/stable/c/9c33222bd387312874fbe36ca8002e5c945b9653"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80691","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-80691","identifiers":["CVE-2026-80691"]},"retained":false,"historicalAffected":[]}],"coverage":[]}