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CVE-2024-26774 ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt

🗓️ 03 Apr 2024 17:01:00Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 28 Views

Avoid dividing by 0 risk in ext

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ext4/mballoc.c"
    ],
    "versions": [
      {
        "version": "83e80a6e3543f37f74c8e48a5f305b054b65ce2a",
        "lessThan": "8b40eb2e716b503f7a4e1090815a17b1341b2150",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "83e80a6e3543f37f74c8e48a5f305b054b65ce2a",
        "lessThan": "f32d2a745b02123258026e105a008f474f896d6a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "83e80a6e3543f37f74c8e48a5f305b054b65ce2a",
        "lessThan": "8cf9cc602cfb40085967c0d140e32691c8b71cf3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "83e80a6e3543f37f74c8e48a5f305b054b65ce2a",
        "lessThan": "993bf0f4c393b3667830918f9247438a8f6fdb5b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "398a0fdb38d9ab5e68023667cc5e6e3d109e2d6b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.19.12",
        "lessThan": "5.20",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ext4/mballoc.c"
    ],
    "versions": [
      {
        "version": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.80",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.19",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.7.7",
        "lessThanOrEqual": "6.7.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.8",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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23 May 2026 15:37Current
7.8High risk
Vulners AI Score7.8
EPSS0.00238
28