{"api_version":"1","generated_at":"2026-09-12T03:12:54+00:00","cve":"CVE-2026-89770","urls":{"html":"https://cve.report/CVE-2026-89770","api":"https://cve.report/api/cve/CVE-2026-89770.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-89770","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-89770"},"summary":{"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":"PUBLISHED","assigner":"Linux","published_at":"2026-09-11 20:20:08","updated_at":"2026-09-11 20:20:08"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/8a8685b32c0718cc7b2cb4d6202e5a5b8e0a8e2d","name":"https://git.kernel.org/stable/c/8a8685b32c0718cc7b2cb4d6202e5a5b8e0a8e2d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/65651f1001aa3638909bc58c7b2b46160692757b","name":"https://git.kernel.org/stable/c/65651f1001aa3638909bc58c7b2b46160692757b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89770","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89770","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0b10a370529cbd7b918c1eef43d409e43d9e0b78 65651f1001aa3638909bc58c7b2b46160692757b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0b10a370529cbd7b918c1eef43d409e43d9e0b78 8a8685b32c0718cc7b2cb4d6202e5a5b8e0a8e2d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.1","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.4 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/iomap/bio.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"65651f1001aa3638909bc58c7b2b46160692757b","status":"affected","version":"0b10a370529cbd7b918c1eef43d409e43d9e0b78","versionType":"git"},{"lessThan":"8a8685b32c0718cc7b2cb4d6202e5a5b8e0a8e2d","status":"affected","version":"0b10a370529cbd7b918c1eef43d409e43d9e0b78","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/iomap/bio.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.1"},{"lessThan":"7.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.4","versionStartIncluding":"7.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"7.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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."}],"providerMetadata":{"dateUpdated":"2026-09-11T19:47:09.630Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/65651f1001aa3638909bc58c7b2b46160692757b"},{"url":"https://git.kernel.org/stable/c/8a8685b32c0718cc7b2cb4d6202e5a5b8e0a8e2d"}],"title":"iomap: don't free integrity payload that doesn't exist","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-89770","datePublished":"2026-09-11T19:47:09.630Z","dateReserved":"2026-09-11T19:38:34.765Z","dateUpdated":"2026-09-11T19:47:09.630Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-11 20:20:08","lastModifiedDate":"2026-09-11 20:20:08","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"89770","Ordinal":"1","Title":"iomap: don't free integrity payload that doesn't exist","CVE":"CVE-2026-89770","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"89770","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"iomap: don't free integrity payload that doesn't exist"}]}}}