{"id":"CVE-2026-90262","revision":"c8821db568e342f5a55792fa31b5c02f","records":[{"revision":"c8821db568e342f5a55792fa31b5c02f","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90262","aliases":[],"title":"btrfs: retry verity reads for not-uptodate Merkle folios","description":"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.","state":0,"publishedAt":"2026-09-17T16:07:59.435+00:00","modifiedAt":"2026-10-19T09:00:38.64+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/btrfs/verity.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"06ed09351b67eb1114ae106a87a0ee3ea9adb3db\",\n                            \"lessThan\": \"90e9eae1b5907fa36620ffb7f4f1a4afa9333427\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"06ed09351b67eb1114ae106a87a0ee3ea9adb3db\",\n                            \"lessThan\": \"c1fa005cdf3b7ff14cdfd7d512830088a3fc256b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"06ed09351b67eb1114ae106a87a0ee3ea9adb3db\",\n                            \"lessThan\": \"12b6d1a1715cbced2e445ca353f9c9987b8636e2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"06ed09351b67eb1114ae106a87a0ee3ea9adb3db\",\n                            \"lessThan\": \"81241f734f0f662378f5ffc53882b012923e6fe5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"06ed09351b67eb1114ae106a87a0ee3ea9adb3db\",\n                            \"lessThan\": \"8cc569696dac51fc62bb39b3b8f530582b916d29\",\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/btrfs/verity.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.6\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.6\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/90e9eae1b5907fa36620ffb7f4f1a4afa9333427","https://git.kernel.org/stable/c/c1fa005cdf3b7ff14cdfd7d512830088a3fc256b","https://git.kernel.org/stable/c/12b6d1a1715cbced2e445ca353f9c9987b8636e2","https://git.kernel.org/stable/c/81241f734f0f662378f5ffc53882b012923e6fe5","https://git.kernel.org/stable/c/8cc569696dac51fc62bb39b3b8f530582b916d29"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90262","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90262","identifiers":["CVE-2026-90262"]},"retained":false,"historicalAffected":[]}],"coverage":[]}