{"id":"CVE-2026-80898","state":"PUBLISHED","title":"netfs: clear PG_private_2 on copy-to-cache append failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: clear PG_private_2 on copy-to-cache append failure\n\nnetfs_pgpriv2_copy_to_cache() marks the folio with PG_private_2 before\nnetfs_pgpriv2_copy_folio() appends it to the copy-to-cache rolling\nbuffer.\n\nIf the append fails, the folio is not queued for cache writeback, so\nthe PG_private_2 state and its reference must be released immediately.","publishedAt":"2026-09-04T17:11:13.337Z","updatedAt":"2026-09-04T17:11:13.337Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e2d46f2ec332533816417b60933954173f602121","status":"affected","lessThan":"627826ef4208042b0470d1a3fdb729ce35471a0d","versionType":"git"},{"version":"e2d46f2ec332533816417b60933954173f602121","status":"affected","lessThan":"614b7f4bfcf665a751ae89ff9ae336a1b2d5af4e","versionType":"git"},{"version":"e2d46f2ec332533816417b60933954173f602121","status":"affected","lessThan":"a81fc9266e1c5fef9ccf675a9b44b2f4ab464923","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/netfs/read_pgpriv2.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"6.18.44","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.8","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/netfs/read_pgpriv2.c"]}],"references":["https://git.kernel.org/stable/c/627826ef4208042b0470d1a3fdb729ce35471a0d","https://git.kernel.org/stable/c/614b7f4bfcf665a751ae89ff9ae336a1b2d5af4e","https://git.kernel.org/stable/c/a81fc9266e1c5fef9ccf675a9b44b2f4ab464923"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/80xxx/CVE-2026-80898.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80898","state":"PUBLISHED","datePublished":"2026-09-04T17:11:13.337Z","dateUpdated":"2026-09-04T17:11:13.337Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-26T14:34:25.800Z"},"containers":{"cna":{"title":"netfs: clear PG_private_2 on copy-to-cache append failure","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: clear PG_private_2 on copy-to-cache append failure\n\nnetfs_pgpriv2_copy_to_cache() marks the folio with PG_private_2 before\nnetfs_pgpriv2_copy_folio() appends it to the copy-to-cache rolling\nbuffer.\n\nIf the append fails, the folio is not queued for cache writeback, so\nthe PG_private_2 state and its reference must be released immediately."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e2d46f2ec332533816417b60933954173f602121","status":"affected","lessThan":"627826ef4208042b0470d1a3fdb729ce35471a0d","versionType":"git"},{"version":"e2d46f2ec332533816417b60933954173f602121","status":"affected","lessThan":"614b7f4bfcf665a751ae89ff9ae336a1b2d5af4e","versionType":"git"},{"version":"e2d46f2ec332533816417b60933954173f602121","status":"affected","lessThan":"a81fc9266e1c5fef9ccf675a9b44b2f4ab464923","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/netfs/read_pgpriv2.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"6.18.44","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.8","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/netfs/read_pgpriv2.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/627826ef4208042b0470d1a3fdb729ce35471a0d"},{"url":"https://git.kernel.org/stable/c/614b7f4bfcf665a751ae89ff9ae336a1b2d5af4e"},{"url":"https://git.kernel.org/stable/c/a81fc9266e1c5fef9ccf675a9b44b2f4ab464923"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-09-04T17:11:13.337Z"},"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"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}