CVE-2026-80897

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80897", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.800Z", "datePublished": "2026-09-04T17:11:12.499Z", "dateUpdated": "2026-10-21T12:47:12.430Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:47:12.430Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: release readahead folios on iterator preparation failure\n\nnetfs_prepare_read_iterator() batches readahead folios in put_batch so that\nthe folio references can be dropped after the I/O iterator has been\nprepared.\n\nIf rolling_buffer_load_from_ra() fails after earlier folios have been\nbatched, the function returns immediately and leaves those references held.\nRelease the batch before returning the error."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/netfs/buffered_read.c"], "versions": [{"version": "e0186fa7436e55db10cecc2308749e2a877269a5", "lessThan": "9ef7c3c5cf771286f187aed199dac0972404cc0f", "status": "affected", "versionType": "git"}, {"version": "06fa229ceb36898e68022b5654c017d2c6582d7d", "lessThan": "2c148a31ca01fc160aceec777bbc0041b0d0b8bd", "status": "affected", "versionType": "git"}, {"version": "06fa229ceb36898e68022b5654c017d2c6582d7d", "lessThan": "935e7b74bb2368f215cf8c2ad4bff60ee4e7589e", "status": "affected", "versionType": "git"}, {"version": "06fa229ceb36898e68022b5654c017d2c6582d7d", "lessThan": "87eb3d272dcbcbbfe5c1576c10e5dc72810cf1f6", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/netfs/buffered_read.c"], "versions": [{"version": "6.14", "status": "affected"}, {"version": "0", "lessThan": "6.14", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.44", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.8", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "6.18.44"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.1.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/9ef7c3c5cf771286f187aed199dac0972404cc0f"}, {"url": "https://git.kernel.org/stable/c/2c148a31ca01fc160aceec777bbc0041b0d0b8bd"}, {"url": "https://git.kernel.org/stable/c/935e7b74bb2368f215cf8c2ad4bff60ee4e7589e"}, {"url": "https://git.kernel.org/stable/c/87eb3d272dcbcbbfe5c1576c10e5dc72810cf1f6"}], "title": "netfs: release readahead folios on iterator preparation failure", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/netfs/buffered_read.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "9ef7c3c5cf771286f187aed199dac0972404cc0f", "status": "affected", "version": "e0186fa7436e55db10cecc2308749e2a877269a5", "versionType": "git"}, {"lessThan": "2c148a31ca01fc160aceec777bbc0041b0d0b8bd", "status": "affected", "version": "06fa229ceb36898e68022b5654c017d2c6582d7d", "versionType": "git"}, {"lessThan": "935e7b74bb2368f215cf8c2ad4bff60ee4e7589e", "status": "affected", "version": "06fa229ceb36898e68022b5654c017d2c6582d7d", "versionType": "git"}, {"lessThan": "87eb3d272dcbcbbfe5c1576c10e5dc72810cf1f6", "status": "affected", "version": "06fa229ceb36898e68022b5654c017d2c6582d7d", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/netfs/buffered_read.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.14"}, {"lessThan": "6.14", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.44", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.8", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: release readahead folios on iterator preparation failure\n\nnetfs_prepare_read_iterator() batches readahead folios in put_batch so that\nthe folio references can be dropped after the I/O iterator has been\nprepared.\n\nIf rolling_buffer_load_from_ra() fails after earlier folios have been\nbatched, the function returns immediately and leaves those references held.\nRelease the batch before returning the error."}], "id": "CVE-2026-80897", "lastModified": "2026-10-21T13:20:00.990", "metrics": {}, "published": "2026-09-04T18:17:57.957", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2c148a31ca01fc160aceec777bbc0041b0d0b8bd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/87eb3d272dcbcbbfe5c1576c10e5dc72810cf1f6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/935e7b74bb2368f215cf8c2ad4bff60ee4e7589e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9ef7c3c5cf771286f187aed199dac0972404cc0f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[06fa229ceb36898e68022b5654c017d2c6582d7d,2c148a31ca01fc160aceec777bbc0041b0d0b8bd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[06fa229ceb36898e68022b5654c017d2c6582d7d,935e7b74bb2368f215cf8c2ad4bff60ee4e7589e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[06fa229ceb36898e68022b5654c017d2c6582d7d,87eb3d272dcbcbbfe5c1576c10e5dc72810cf1f6)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.44,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.8,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-04T20:30:16.928699+00:00", "updated": "2026-09-04T23:45:17.127821+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-772"]}