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High

landlock: Handle weird files

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: landlock: Handle weird files A corrupted filesystem (e.g. bcachefs) might return weird files. Instead of throwing a warning and allowing access to such file, treat them as regular files.

Announced Source revision 1
Original source ↗

CVE-2025-21830

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2025-21830

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "cb2c7d1a1776057c9a1f48ed1250d85e94d4850d",
        "lessThan": "a1fccf6b72b56343dd4f2d96b008147f9951eebd",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "cb2c7d1a1776057c9a1f48ed1250d85e94d4850d",
        "lessThan": "7d6121228959ddf44a4b9b6a177384ac7854e2f9",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "cb2c7d1a1776057c9a1f48ed1250d85e94d4850d",
        "lessThan": "39bb3d56f1c351e76bb18895d0e73796e653d5c1",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "cb2c7d1a1776057c9a1f48ed1250d85e94d4850d",
        "lessThan": "2569e65d2eb6ac1afe6cb6dfae476afee8b6771a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "cb2c7d1a1776057c9a1f48ed1250d85e94d4850d",
        "lessThan": "0fde195a373ab1267e60baa9e1a703a97e7464cd",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "cb2c7d1a1776057c9a1f48ed1250d85e94d4850d",
        "lessThan": "49440290a0935f428a1e43a5ac8dc275a647ff80",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "security/landlock/fs.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5.13"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.13",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.15.179",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.129",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.76",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.13",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.13.2",
        "versionType": "semver",
        "lessThanOrEqual": "6.13.*"
      },
      {
        "status": "unaffected",
        "version": "6.14",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "security/landlock/fs.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2025-21830

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#30435 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement