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CVE-2026-43299 btrfs: do not ASSERT() when the fs flips RO inside btrfs_repair_io_failure()

🗓️ 08 May 2026 13:11:20Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 63 Views

Fix assertion failure when btrfs flips to read-only during repair after ENOSPC.

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/bio.c"
    ],
    "versions": [
      {
        "version": "908960c6c0fb3b3ce3971dc0ca47b581d256b968",
        "lessThan": "a35b38cb4b0dd08d7cc0bd4e400208c7aeba8a72",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "908960c6c0fb3b3ce3971dc0ca47b581d256b968",
        "lessThan": "da3f596073de1c3cbc99941f01296968a85c8c76",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "908960c6c0fb3b3ce3971dc0ca47b581d256b968",
        "lessThan": "81e1ae665004b99a10686473d99f0a7cb6335f38",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "908960c6c0fb3b3ce3971dc0ca47b581d256b968",
        "lessThan": "f6df18c001e3dcebc08482d0adeacd0cfea08593",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "908960c6c0fb3b3ce3971dc0ca47b581d256b968",
        "lessThan": "8ceaad6cd6e7fa5f73b0b2796a2e85d75d37e9f3",
        "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/bio.c"
    ],
    "versions": [
      {
        "version": "3.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.160",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.114",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.57",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.6",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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