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CVE-2026-46100 fs: afs: revert mmap_prepare() change

🗓️ 27 May 2026 12:59:06Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 42 Views

Reverts mmap_prepare change for afs mmap in Linux kernel to avoid refcount leaks.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/afs/file.c"
    ],
    "versions": [
      {
        "version": "9d5403b1036cdcd4be0f9f5568612c0e60e73d79",
        "lessThan": "f51f85c044809fbd39ac8ae07ac99bc43ce32bd5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9d5403b1036cdcd4be0f9f5568612c0e60e73d79",
        "lessThan": "48c7a0eaeea41da17d1d84d2d7a4c40be122b246",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9d5403b1036cdcd4be0f9f5568612c0e60e73d79",
        "lessThan": "fbfc6578eaca12daa0c09df1e9ba7f2c657b49da",
        "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/afs/file.c"
    ],
    "versions": [
      {
        "version": "6.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.27",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.4",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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