{"api_version":"1","generated_at":"2026-09-08T09:40:33+00:00","cve":"CVE-2026-72370","urls":{"html":"https://cve.report/CVE-2026-72370","api":"https://cve.report/api/cve/CVE-2026-72370.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72370","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72370"},"summary":{"title":"iomap: release pages on atomic dio size mismatch","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niomap: release pages on atomic dio size mismatch\n\nIf bio_iov_iter_get_pages() or the bounce helper succeeds but builds a\nshort bio, the REQ_ATOMIC size check rejects it before submission.  The\nold error path only dropped the bio reference, leaving any pages already\nattached to the bio unreleased.\n\nRelease or unbounce the pages before falling through to out_put_bio on\nthis error path.\n\nThis bug was reported by sashiko:\nhttps://sashiko.dev/#/patchset/20260608073134.95964-1-changfengnan%40bytedance.com","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:10","updated_at":"2026-08-17 06:18:41"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/681e452683b69a8e1a571cba0f238f8ceacf55d2","name":"https://git.kernel.org/stable/c/681e452683b69a8e1a571cba0f238f8ceacf55d2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/27ddd3442fc6f698fb8577c7cfb243ddd81ea8c0","name":"https://git.kernel.org/stable/c/27ddd3442fc6f698fb8577c7cfb243ddd81ea8c0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72370","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72370","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9e0933c21c128d6d8ac4d8aae0babaf9a43100b8 27ddd3442fc6f698fb8577c7cfb243ddd81ea8c0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9e0933c21c128d6d8ac4d8aae0babaf9a43100b8 681e452683b69a8e1a571cba0f238f8ceacf55d2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.13","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.13 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"72370","cve":"CVE-2026-72370","epss":"0.001980000","percentile":"0.098980000","score_date":"2026-08-17","updated_at":"2026-08-18 00:11:47"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/iomap/direct-io.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"27ddd3442fc6f698fb8577c7cfb243ddd81ea8c0","status":"affected","version":"9e0933c21c128d6d8ac4d8aae0babaf9a43100b8","versionType":"git"},{"lessThan":"681e452683b69a8e1a571cba0f238f8ceacf55d2","status":"affected","version":"9e0933c21c128d6d8ac4d8aae0babaf9a43100b8","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/iomap/direct-io.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.13"},{"lessThan":"6.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"6.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"6.13","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niomap: release pages on atomic dio size mismatch\n\nIf bio_iov_iter_get_pages() or the bounce helper succeeds but builds a\nshort bio, the REQ_ATOMIC size check rejects it before submission.  The\nold error path only dropped the bio reference, leaving any pages already\nattached to the bio unreleased.\n\nRelease or unbounce the pages before falling through to out_put_bio on\nthis error path.\n\nThis bug was reported by sashiko:\nhttps://sashiko.dev/#/patchset/20260608073134.95964-1-changfengnan%40bytedance.com"}],"providerMetadata":{"dateUpdated":"2026-08-17T05:13:22.015Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/27ddd3442fc6f698fb8577c7cfb243ddd81ea8c0"},{"url":"https://git.kernel.org/stable/c/681e452683b69a8e1a571cba0f238f8ceacf55d2"}],"title":"iomap: release pages on atomic dio size mismatch","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72370","datePublished":"2026-08-15T05:56:06.648Z","dateReserved":"2026-08-09T03:40:39.922Z","dateUpdated":"2026-08-17T05:13:22.015Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:10","lastModifiedDate":"2026-08-17 06:18:41","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72370","Ordinal":"1","Title":"iomap: release pages on atomic dio size mismatch","CVE":"CVE-2026-72370","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72370","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\niomap: release pages on atomic dio size mismatch\n\nIf bio_iov_iter_get_pages() or the bounce helper succeeds but builds a\nshort bio, the REQ_ATOMIC size check rejects it before submission.  The\nold error path only dropped the bio reference, leaving any pages already\nattached to the bio unreleased.\n\nRelease or unbounce the pages before falling through to out_put_bio on\nthis error path.\n\nThis bug was reported by sashiko:\nhttps://sashiko.dev/#/patchset/20260608073134.95964-1-changfengnan%40bytedance.com","Type":"Description","Title":"iomap: release pages on atomic dio size mismatch"}]}}}