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CVE-2025-71295 fs/buffer: add alert in try_to_free_buffers() for folios without buffers

🗓️ 06 May 2026 11:32:25Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 23 Views

Defensive fix: try_to_free_buffers skips folios with no buffers and warns once on misconfigured release mappings.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/buffer.c"
    ],
    "versions": [
      {
        "version": "d0eafc763135508be118dac208887a26c0adb74d",
        "lessThan": "1b111a69a6e33a922622bf9870e4e63fb2b649c8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b4fa966f03b7401ceacd4ffd7227197afb2b8376",
        "lessThan": "c1b6227555c52781178132b7a06466711855795c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b4fa966f03b7401ceacd4ffd7227197afb2b8376",
        "lessThan": "727e5140e0cf83b4ce6a11b89bb73bff5d96f8f3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b4fa966f03b7401ceacd4ffd7227197afb2b8376",
        "lessThan": "42c32d7571ccd8ef32351cac506f00b0fae99fd2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b4fa966f03b7401ceacd4ffd7227197afb2b8376",
        "lessThan": "c6246ca15999053d2632fbcc7b86e6eef7f077cb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b4fa966f03b7401ceacd4ffd7227197afb2b8376",
        "lessThan": "b68f91ef3b3fe82ad78c417de71b675699a8467c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.1.72",
        "lessThan": "6.1.165",
        "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/buffer.c"
    ],
    "versions": [
      {
        "version": "6.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.6",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.165",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.128",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.75",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.16",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.6",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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