{"id":"CVE-2026-89770","revision":"76066ed936544d7abf7e01df3b2bcffd","records":[{"revision":"76066ed936544d7abf7e01df3b2bcffd","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89770","aliases":[],"title":"iomap: don't free integrity payload that doesn't exist","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niomap: don't free integrity payload that doesn't exist\n\nfs_bio_integrity_alloc might not allocate a bio integrity payload if PI\nverification is disabled on the block device.  Check for that case before\ncalling fs_bio_integrity_free in iomap_bio_read_folio_range_sync to\navoid a NULL pointer dereferences.\n\nMake the branch cover the PI verification as well - while\nfs_bio_integrity_verify works without an integrity payload, it requires\none to actually do useful work.","state":0,"publishedAt":"2026-09-11T19:47:09.63+00:00","modifiedAt":"2026-10-19T08:52:23.735+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                        \"fs/iomap/bio.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"0b10a370529cbd7b918c1eef43d409e43d9e0b78\",\n                            \"lessThan\": \"65651f1001aa3638909bc58c7b2b46160692757b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"0b10a370529cbd7b918c1eef43d409e43d9e0b78\",\n                            \"lessThan\": \"8a8685b32c0718cc7b2cb4d6202e5a5b8e0a8e2d\",\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                        \"fs/iomap/bio.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"7.1\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"7.1\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.4\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/65651f1001aa3638909bc58c7b2b46160692757b","https://git.kernel.org/stable/c/8a8685b32c0718cc7b2cb4d6202e5a5b8e0a8e2d"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89770","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89770","identifiers":["CVE-2026-89770"]},"retained":false,"historicalAffected":[]}],"coverage":[]}