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CVE-2022-49171 ext4: don't BUG if someone dirty pages without asking ext4 first

🗓️ 26 Feb 2025 01:55:28Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

Fixed ext4 vulnerability to prevent crashes when dirty pages are not properly notified first.

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/inode.c"
    ],
    "versions": [
      {
        "version": "a42afc5f56f319107e987aa6adf2f65d93d527c7",
        "lessThan": "5db60e76edf5680ff1f3a7221036fc44b308f146",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a42afc5f56f319107e987aa6adf2f65d93d527c7",
        "lessThan": "d666dfaa571465a19f014534a214c255ea33f301",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a42afc5f56f319107e987aa6adf2f65d93d527c7",
        "lessThan": "0d3a6926f7e8be3c897fa46216ce13b119a9f56a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a42afc5f56f319107e987aa6adf2f65d93d527c7",
        "lessThan": "5a016c053f426a73752c3b41b60b497b58694d48",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a42afc5f56f319107e987aa6adf2f65d93d527c7",
        "lessThan": "330d0e44fc5a47c27df958ecdd4693a3cb1d8b81",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a42afc5f56f319107e987aa6adf2f65d93d527c7",
        "lessThan": "a0856764dc1276ad2dc7891288c2e9246bf11a37",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a42afc5f56f319107e987aa6adf2f65d93d527c7",
        "lessThan": "343117559ef41e992e326f7a92da1a8f254dfa8c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a42afc5f56f319107e987aa6adf2f65d93d527c7",
        "lessThan": "677c9d30e8487bee6c8e3b034070319d98f6e203",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a42afc5f56f319107e987aa6adf2f65d93d527c7",
        "lessThan": "cc5095747edfb054ca2068d01af20be3fcc3634f",
        "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/ext4/inode.c"
    ],
    "versions": [
      {
        "version": "2.6.37",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.37",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.9.311",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.276",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.238",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.189",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.110",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.33",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.16.19",
        "lessThanOrEqual": "5.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.17.2",
        "lessThanOrEqual": "5.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.18",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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