CVE-2026-90262

{"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": "2026-10-19T09:00:38.640Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:00:38.640Z"}, "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", "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"}]}]}], "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"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/btrfs/verity.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "90e9eae1b5907fa36620ffb7f4f1a4afa9333427", "status": "affected", "version": "06ed09351b67eb1114ae106a87a0ee3ea9adb3db", "versionType": "git"}, {"lessThan": "c1fa005cdf3b7ff14cdfd7d512830088a3fc256b", "status": "affected", "version": "06ed09351b67eb1114ae106a87a0ee3ea9adb3db", "versionType": "git"}, {"lessThan": "12b6d1a1715cbced2e445ca353f9c9987b8636e2", "status": "affected", "version": "06ed09351b67eb1114ae106a87a0ee3ea9adb3db", "versionType": "git"}, {"lessThan": "81241f734f0f662378f5ffc53882b012923e6fe5", "status": "affected", "version": "06ed09351b67eb1114ae106a87a0ee3ea9adb3db", "versionType": "git"}, {"lessThan": "8cc569696dac51fc62bb39b3b8f530582b916d29", "status": "affected", "version": "06ed09351b67eb1114ae106a87a0ee3ea9adb3db", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/btrfs/verity.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.6"}, {"lessThan": "6.6", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.157", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.110", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.52", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-90262", "lastModified": "2026-10-19T09:19:19.333", "metrics": {}, "published": "2026-09-17T17:17:22.640", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/12b6d1a1715cbced2e445ca353f9c9987b8636e2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/81241f734f0f662378f5ffc53882b012923e6fe5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8cc569696dac51fc62bb39b3b8f530582b916d29"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/90e9eae1b5907fa36620ffb7f4f1a4afa9333427"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c1fa005cdf3b7ff14cdfd7d512830088a3fc256b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[06ed09351b67eb1114ae106a87a0ee3ea9adb3db,90e9eae1b5907fa36620ffb7f4f1a4afa9333427)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[06ed09351b67eb1114ae106a87a0ee3ea9adb3db,c1fa005cdf3b7ff14cdfd7d512830088a3fc256b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[06ed09351b67eb1114ae106a87a0ee3ea9adb3db,12b6d1a1715cbced2e445ca353f9c9987b8636e2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[06ed09351b67eb1114ae106a87a0ee3ea9adb3db,81241f734f0f662378f5ffc53882b012923e6fe5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[06ed09351b67eb1114ae106a87a0ee3ea9adb3db,8cc569696dac51fc62bb39b3b8f530582b916d29)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.157,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.110,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.52,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-19T03:30:18.170339+00:00", "updated": "2026-09-19T10:00:07.451311+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-367"]}