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CVE-2026-90262 btrfs: retry verity reads for not-uptodate Merkle folios

🗓️ 17 Sep 2026 16:07:59Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 44 Views

btrfs verity Merkle tree read in Linux kernel treats not-uptodate folio as sticky read failure.

Related
Affected
Refs
[
  {
    "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"
      }
    ]
  }
]

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17 Sep 2026 16:07Current
EPSS0.00209
44