{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90262","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-11T19:38:34.796Z","datePublished":"2026-09-17T16:07:59.435Z","dateUpdated":"2026-09-17T16:07:59.435Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-17T16:07:59.435Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: retry verity reads for not-uptodate Merkle folios\n\nbtrfs_read_merkle_tree_page() can find a folio in the mapping that is not\nuptodate.  After taking the folio lock, the current code treats that state\nas a read error and returns -EIO.\n\nThat can make a previous transient read failure sticky.  If the failed read\nleft a not-uptodate folio in the mapping, later callers find that folio and\nfail instead of retrying the read.\n\nKeep the existing page-cache insertion and locking order, but retry the\nMerkle item read when a not-uptodate folio is found in the mapping.  Also\nunlock the folio when read_key_bytes() fails so that a later caller can\nlock it and retry the read."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/verity.c"],"versions":[{"version":"06ed09351b67eb1114ae106a87a0ee3ea9adb3db","lessThan":"90e9eae1b5907fa36620ffb7f4f1a4afa9333427","status":"affected","versionType":"git"},{"version":"06ed09351b67eb1114ae106a87a0ee3ea9adb3db","lessThan":"c1fa005cdf3b7ff14cdfd7d512830088a3fc256b","status":"affected","versionType":"git"},{"version":"06ed09351b67eb1114ae106a87a0ee3ea9adb3db","lessThan":"12b6d1a1715cbced2e445ca353f9c9987b8636e2","status":"affected","versionType":"git"},{"version":"06ed09351b67eb1114ae106a87a0ee3ea9adb3db","lessThan":"81241f734f0f662378f5ffc53882b012923e6fe5","status":"affected","versionType":"git"},{"version":"06ed09351b67eb1114ae106a87a0ee3ea9adb3db","lessThan":"8cc569696dac51fc62bb39b3b8f530582b916d29","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/btrfs/verity.c"],"versions":[{"version":"6.6","status":"affected"},{"version":"0","lessThan":"6.6","status":"unaffected","versionType":"semver"},{"version":"6.6.157","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.110","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.52","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.6","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","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":"6.6","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.3-rc1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/90e9eae1b5907fa36620ffb7f4f1a4afa9333427"},{"url":"https://git.kernel.org/stable/c/c1fa005cdf3b7ff14cdfd7d512830088a3fc256b"},{"url":"https://git.kernel.org/stable/c/12b6d1a1715cbced2e445ca353f9c9987b8636e2"},{"url":"https://git.kernel.org/stable/c/81241f734f0f662378f5ffc53882b012923e6fe5"},{"url":"https://git.kernel.org/stable/c/8cc569696dac51fc62bb39b3b8f530582b916d29"}],"title":"btrfs: retry verity reads for not-uptodate Merkle folios","x_generator":{"engine":"bippy-1.2.0"}}}}