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CVE-2022-49343 ext4: avoid cycles in directory h-tree

🗓️ 26 Feb 2025 02:10:59Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

Vulnerability CVE-2022-49343 fixed to prevent cycles in ext4 directory h-tree causing memory corruption.

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/namei.c"
    ],
    "versions": [
      {
        "version": "ac27a0ec112a089f1a5102bc8dffc79c8c815571",
        "lessThan": "24b8206fec1db21d7e82f21f0b2ff5e5672cf5b3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ac27a0ec112a089f1a5102bc8dffc79c8c815571",
        "lessThan": "b3ad9ff6f06c1dc6abf7437691c88ca3d6da3ac0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ac27a0ec112a089f1a5102bc8dffc79c8c815571",
        "lessThan": "e157c8f87e8fac112d6c955e69a60cdb9bc80a60",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ac27a0ec112a089f1a5102bc8dffc79c8c815571",
        "lessThan": "ff4cafa51762da3824881a9000ca421d4b78b138",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ac27a0ec112a089f1a5102bc8dffc79c8c815571",
        "lessThan": "3a3ce941645407cd0b0b7f01ad9e2ea3770f46cc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ac27a0ec112a089f1a5102bc8dffc79c8c815571",
        "lessThan": "d5a16a6df2c16eaf4de04948553ef0089dee463f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ac27a0ec112a089f1a5102bc8dffc79c8c815571",
        "lessThan": "6084240bfc44bf265ab6ae7d96980469b05be0f1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ac27a0ec112a089f1a5102bc8dffc79c8c815571",
        "lessThan": "3ba733f879c2a88910744647e41edeefbc0d92b2",
        "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/namei.c"
    ],
    "versions": [
      {
        "version": "2.6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.283",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.247",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.198",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.121",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.46",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.17.14",
        "lessThanOrEqual": "5.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.18.3",
        "lessThanOrEqual": "5.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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