{"id":"CVE-2026-31514","revision":null,"records":[{"revision":"8a18c8067140457ca6529ade443f18c5","observedAt":"2026-10-23T16:01:20.601+00:00","statement":{"source":"cve-program","id":"CVE-2026-31514","aliases":[],"title":"erofs: set fileio bio failed in short read case","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: set fileio bio failed in short read case\n\nFor file-backed mount, IO requests are handled by vfs_iocb_iter_read().\nHowever, it can be interrupted by SIGKILL, returning the number of\nbytes actually copied. Unused folios in bio are unexpectedly marked\nas uptodate.\n\n  vfs_read\n    filemap_read\n      filemap_get_pages\n        filemap_readahead\n          erofs_fileio_readahead\n            erofs_fileio_rq_submit\n              vfs_iocb_iter_read\n                filemap_read\n                  filemap_get_pages  <= detect signal\n              erofs_fileio_ki_complete  <= set all folios uptodate\n\nThis patch addresses this by setting short read bio with an error\ndirectly.","state":0,"publishedAt":"2026-04-22T13:54:31.531+00:00","modifiedAt":"2026-10-23T08:20:15.576+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"fs/erofs/fileio.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"ce63cb62d794c98c7631c2296fa845f2a8d0a4a1\",\n                            \"lessThan\": \"d1ba7d6b3cd1757b108d7b6856c92ae661d6c323\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ce63cb62d794c98c7631c2296fa845f2a8d0a4a1\",\n                            \"lessThan\": \"5cf3972c8221abdb1b464a14ccf8103d840b9085\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ce63cb62d794c98c7631c2296fa845f2a8d0a4a1\",\n                            \"lessThan\": \"5a5f23ef5431639db1ac3a0b274aef3a84cc413c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ce63cb62d794c98c7631c2296fa845f2a8d0a4a1\",\n                            \"lessThan\": \"eade54040384f54b7fb330e4b0975c5734850b3c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"fs/erofs/fileio.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.12\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.12\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.80\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.21\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.19.11\",\n                            \"lessThanOrEqual\": \"6.19.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/d1ba7d6b3cd1757b108d7b6856c92ae661d6c323","https://git.kernel.org/stable/c/5cf3972c8221abdb1b464a14ccf8103d840b9085","https://git.kernel.org/stable/c/5a5f23ef5431639db1ac3a0b274aef3a84cc413c","https://git.kernel.org/stable/c/eade54040384f54b7fb330e4b0975c5734850b3c"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-31514","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-31514","identifiers":["CVE-2026-31514"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-43321610382942b8ad8c85917eab1546","complete":false,"records":4735,"lastAttemptAt":"2026-10-27T11:12:26.0342942+00:00","lastSuccessAt":"2026-10-24T23:18:49.862+00:00","error":"InvalidDataException","lastVerifiedAt":"2026-10-24T23:18:49.862+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":0,"expectedIdentifiers":13480},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-10-27T11:11:56.6678062+00:00","complete":true,"records":1093,"lastAttemptAt":"2026-10-27T11:11:56.6678062+00:00","lastSuccessAt":"2026-10-27T11:11:56.8252029+00:00","error":null,"lastVerifiedAt":"2026-10-27T11:11:56.8252036+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-c6c2b354cca8400a8af7dee419d3a5e5","complete":false,"records":13419,"lastAttemptAt":"2026-10-27T11:12:23.9234765+00:00","lastSuccessAt":"2026-10-27T11:12:23.919+00:00","error":null,"lastVerifiedAt":"2026-10-27T11:12:23.919+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13477,"expectedIdentifiers":13480},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-c3121b113ecd88f1c92ccfa0ec9757ddc8386e4c12afd2597450b815744f800a","complete":true,"records":9779,"lastAttemptAt":"2026-10-27T11:11:51.9998316+00:00","lastSuccessAt":"2026-10-26T15:37:14.3083004+00:00","error":null,"lastVerifiedAt":"2026-10-27T11:11:51.9998316+00:00","snapshotPublishedAt":"2026-10-26T14:48:41+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-bad5d31e7f6a5e3d338e11d8789069b63620a403f927730769688b42f768e4f6","complete":true,"records":1965,"lastAttemptAt":"2026-10-27T11:09:37.2374562+00:00","lastSuccessAt":"2026-10-26T16:35:43.1460623+00:00","error":null,"lastVerifiedAt":"2026-10-27T11:09:37.2374562+00:00","snapshotPublishedAt":"2026-10-26T16:18:29+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-112103ad2640f03b274c0e731c3f4398f99b844297f2e68d520aeec5561d6df2","complete":true,"records":2997,"lastAttemptAt":"2026-10-27T11:11:56.6249674+00:00","lastSuccessAt":"2026-10-27T11:11:56.4872351+00:00","error":null,"lastVerifiedAt":"2026-10-27T11:11:56.6249674+00:00","snapshotPublishedAt":"2026-10-27T10:33:05+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-004e8284b6ea6365b51ff4b74ec6be79d1edd4a5cab2e56b5baf5b4428e96986","complete":true,"records":230813,"lastAttemptAt":"2026-10-27T11:11:51.8474073+00:00","lastSuccessAt":"2026-10-27T11:11:50.4927963+00:00","error":null,"lastVerifiedAt":"2026-10-27T11:11:51.8474073+00:00","snapshotPublishedAt":"2026-10-27T11:03:12+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null}]}