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CVE-2022-49834 nilfs2: fix use-after-free bug of ns_writer on remount

🗓️ 01 May 2025 14:09:52Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

Fix for nilfs2 use-after-free bug during remount prevents log writer accessing freed memory.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/nilfs2/segment.c",
      "fs/nilfs2/super.c"
    ],
    "versions": [
      {
        "version": "fe5f171bb272946ce5fbf843ce2f8467d0d41b9a",
        "lessThan": "b2fbf10040216ef5ee270773755fc2f5da65b749",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fe5f171bb272946ce5fbf843ce2f8467d0d41b9a",
        "lessThan": "39a3ed68270b079c6b874d4e4727a512b9b4882c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fe5f171bb272946ce5fbf843ce2f8467d0d41b9a",
        "lessThan": "b4736ab5542112fe0a40f140a0a0b072954f34da",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fe5f171bb272946ce5fbf843ce2f8467d0d41b9a",
        "lessThan": "9b162e81045266a2d5b44df9dffdf05c54de9cca",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fe5f171bb272946ce5fbf843ce2f8467d0d41b9a",
        "lessThan": "4feedde5486c07ea79787839153a71ca71329c7d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fe5f171bb272946ce5fbf843ce2f8467d0d41b9a",
        "lessThan": "afbd1188382a75f6cfe22c0b68533f7f9664f182",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fe5f171bb272946ce5fbf843ce2f8467d0d41b9a",
        "lessThan": "b152300d5a1ba4258dacf9916bff20e6a8c7603b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fe5f171bb272946ce5fbf843ce2f8467d0d41b9a",
        "lessThan": "8cccf05fe857a18ee26e20d11a8455a73ffd4efd",
        "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/nilfs2/segment.c",
      "fs/nilfs2/super.c"
    ],
    "versions": [
      {
        "version": "2.6.34",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.34",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.9.334",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.300",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.267",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.225",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.155",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.79",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.9",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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