{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"6e54f8dfee359bbd58086c883ea8cffd5312999d","status":"affected","version":"107a7bd31ac003e42c0f966aa8e5b26947de6024","versionType":"git"},{"lessThan":"337506dc652383c80839edb8d8dcdd8ff2129b4f","status":"affected","version":"107a7bd31ac003e42c0f966aa8e5b26947de6024","versionType":"git"},{"lessThan":"2943bdbcdef6f74d4235ad0e57b225104dcad8ab","status":"affected","version":"107a7bd31ac003e42c0f966aa8e5b26947de6024","versionType":"git"},{"lessThan":"dc7c9b9d03a59a7fe483574531327e650a4b4adc","status":"affected","version":"107a7bd31ac003e42c0f966aa8e5b26947de6024","versionType":"git"},{"lessThan":"120c6bd7ca9d3e80a968b758cbb3fbd67570f132","status":"affected","version":"107a7bd31ac003e42c0f966aa8e5b26947de6024","versionType":"git"},{"lessThan":"808f3191498f300174523c54cab101e18795ae4e","status":"affected","version":"107a7bd31ac003e42c0f966aa8e5b26947de6024","versionType":"git"},{"lessThan":"31bf37cf53ede8145e2bc62da803d4506da92975","status":"affected","version":"107a7bd31ac003e42c0f966aa8e5b26947de6024","versionType":"git"},{"lessThan":"79b592e8f1b435796cbc2722190368e3e8ffd7a1","status":"affected","version":"107a7bd31ac003e42c0f966aa8e5b26947de6024","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"3.12"},{"lessThan":"3.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.191","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.14","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2026-45899","cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: drop extent cache when splitting extent fails\n\nWhen the split extent fails, we might leave some extents still being\nprocessed and return an error directly, which will result in stale\nextent entries remaining in the extent status tree. So drop all of the\nremaining potentially stale extents if the splitting fails.","epss":{"date":"2026-11-06","percentile":0.0527,"score":0.0016},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793980391543,"publishedAt":1779884228447,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/6e54f8dfee359bbd58086c883ea8cffd5312999d"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/337506dc652383c80839edb8d8dcdd8ff2129b4f"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/2943bdbcdef6f74d4235ad0e57b225104dcad8ab"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/dc7c9b9d03a59a7fe483574531327e650a4b4adc"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/120c6bd7ca9d3e80a968b758cbb3fbd67570f132"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/808f3191498f300174523c54cab101e18795ae4e"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/31bf37cf53ede8145e2bc62da803d4506da92975"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/79b592e8f1b435796cbc2722190368e3e8ffd7a1"}],"remediation":[],"revision":"5eb28fa8b8db7ceffb9090a89bab92725637c453288419dde787a241bed3a906","sources":[{"modifiedAt":1793980391543,"name":"CNA: Linux","retrievedAt":1793981766580,"url":"https://www.cve.org/CVERecord?id=CVE-2026-45899"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793981787075,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-45899"}],"ssvc":{"assessedAt":1793979835480,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"ext4: drop extent cache when splitting extent fails","updatedAt":1793981787075}