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CVE-2021-46958 btrfs: fix race between transaction aborts and fsyncs leading to use-after-free

🗓️ 27 Feb 2024 18:46:59Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 15 Views

Fix race between transaction aborts and fsyncs in Linux kernel btrf

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/transaction.c"
    ],
    "versions": [
      {
        "version": "ef67963dac255b293e19815ea3d440567be4626f",
        "lessThan": "a4794be7b00b7eda4b45fffd283ab7d76df7e5d6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ef67963dac255b293e19815ea3d440567be4626f",
        "lessThan": "633f7f216663587f17601eaa1cf2ac3d5654874c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ef67963dac255b293e19815ea3d440567be4626f",
        "lessThan": "e2da98788369bfba1138bada72765c47989a4338",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ef67963dac255b293e19815ea3d440567be4626f",
        "lessThan": "061dde8245356d8864d29e25207aa4daa0be4d3c",
        "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/transaction.c"
    ],
    "versions": [
      {
        "version": "5.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.36",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.11.20",
        "lessThanOrEqual": "5.11.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.12.3",
        "lessThanOrEqual": "5.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.13",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 13:45Current
7.7High risk
Vulners AI Score7.7
EPSS0.00231
15