{"api_version":"1","generated_at":"2026-07-20T14:42:29+00:00","cve":"CVE-2026-64157","urls":{"html":"https://cve.report/CVE-2026-64157","api":"https://cve.report/api/cve/CVE-2026-64157.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64157","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64157"},"summary":{"title":"netfs: Fix partial invalidation of streaming-write folio","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: Fix partial invalidation of streaming-write folio\n\nIn netfs_invalidate_folio(), if the region of a partial invalidation\noverlaps the front (but not all) of a dirty write cached in a streaming\nwrite page (dirty, but not uptodate, with the dirty region tracked by a\nnetfs_folio struct), the function modifies the dirty region - but\nincorrectly as it moves the region forward by setting the start to the\nstart, not the end, of the invalidation region.\n\nFix this by setting finfo->dirty_offset to the end of the invalidation\nregion (iend).","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:57","updated_at":"2026-07-19 16:17:57"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/f6b2569ae29b666fd15ff2848684c445ba442a39","name":"https://git.kernel.org/stable/c/f6b2569ae29b666fd15ff2848684c445ba442a39","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6d91acc7fb85d33ea58fca9b964a32a453937f4b","name":"https://git.kernel.org/stable/c/6d91acc7fb85d33ea58fca9b964a32a453937f4b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3d9601c029b934b5b6a10f99791467b10eb6b211","name":"https://git.kernel.org/stable/c/3d9601c029b934b5b6a10f99791467b10eb6b211","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6a3d27116be2c5fb9a03d5cf37c486ac517f3689","name":"https://git.kernel.org/stable/c/6a3d27116be2c5fb9a03d5cf37c486ac517f3689","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64157","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64157","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cce6bfa6ca0e30af9927b0074c97fe6a92f28092 f6b2569ae29b666fd15ff2848684c445ba442a39 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cce6bfa6ca0e30af9927b0074c97fe6a92f28092 3d9601c029b934b5b6a10f99791467b10eb6b211 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cce6bfa6ca0e30af9927b0074c97fe6a92f28092 6a3d27116be2c5fb9a03d5cf37c486ac517f3689 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cce6bfa6ca0e30af9927b0074c97fe6a92f28092 6d91acc7fb85d33ea58fca9b964a32a453937f4b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e2814004138a541110d4b2dc254a8f619c2c4ce0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.10.8 6.11 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.11","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.11 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.92 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.34 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.11 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * 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/netfs/misc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f6b2569ae29b666fd15ff2848684c445ba442a39","status":"affected","version":"cce6bfa6ca0e30af9927b0074c97fe6a92f28092","versionType":"git"},{"lessThan":"3d9601c029b934b5b6a10f99791467b10eb6b211","status":"affected","version":"cce6bfa6ca0e30af9927b0074c97fe6a92f28092","versionType":"git"},{"lessThan":"6a3d27116be2c5fb9a03d5cf37c486ac517f3689","status":"affected","version":"cce6bfa6ca0e30af9927b0074c97fe6a92f28092","versionType":"git"},{"lessThan":"6d91acc7fb85d33ea58fca9b964a32a453937f4b","status":"affected","version":"cce6bfa6ca0e30af9927b0074c97fe6a92f28092","versionType":"git"},{"status":"affected","version":"e2814004138a541110d4b2dc254a8f619c2c4ce0","versionType":"git"},{"lessThan":"6.11","status":"affected","version":"6.10.8","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/netfs/misc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.11"},{"lessThan":"6.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.92","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.92","versionStartIncluding":"6.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.34","versionStartIncluding":"6.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.11","versionStartIncluding":"6.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10.8","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: Fix partial invalidation of streaming-write folio\n\nIn netfs_invalidate_folio(), if the region of a partial invalidation\noverlaps the front (but not all) of a dirty write cached in a streaming\nwrite page (dirty, but not uptodate, with the dirty region tracked by a\nnetfs_folio struct), the function modifies the dirty region - but\nincorrectly as it moves the region forward by setting the start to the\nstart, not the end, of the invalidation region.\n\nFix this by setting finfo->dirty_offset to the end of the invalidation\nregion (iend)."}],"providerMetadata":{"dateUpdated":"2026-07-19T15:40:44.964Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/f6b2569ae29b666fd15ff2848684c445ba442a39"},{"url":"https://git.kernel.org/stable/c/3d9601c029b934b5b6a10f99791467b10eb6b211"},{"url":"https://git.kernel.org/stable/c/6a3d27116be2c5fb9a03d5cf37c486ac517f3689"},{"url":"https://git.kernel.org/stable/c/6d91acc7fb85d33ea58fca9b964a32a453937f4b"}],"title":"netfs: Fix partial invalidation of streaming-write folio","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64157","datePublished":"2026-07-19T15:40:44.964Z","dateReserved":"2026-07-19T07:54:57.038Z","dateUpdated":"2026-07-19T15:40:44.964Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:57","lastModifiedDate":"2026-07-19 16:17:57","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64157","Ordinal":"1","Title":"netfs: Fix partial invalidation of streaming-write folio","CVE":"CVE-2026-64157","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64157","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: Fix partial invalidation of streaming-write folio\n\nIn netfs_invalidate_folio(), if the region of a partial invalidation\noverlaps the front (but not all) of a dirty write cached in a streaming\nwrite page (dirty, but not uptodate, with the dirty region tracked by a\nnetfs_folio struct), the function modifies the dirty region - but\nincorrectly as it moves the region forward by setting the start to the\nstart, not the end, of the invalidation region.\n\nFix this by setting finfo->dirty_offset to the end of the invalidation\nregion (iend).","Type":"Description","Title":"netfs: Fix partial invalidation of streaming-write folio"}]}}}