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CVE-2025-37738 ext4: ignore xattrs past end

🗓️ 01 May 2025 12:55:47Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 16 Views

Fixes CVE-2025-37738 by ignoring xattrs past the end in ext4_xattr_inode_dec_ref_all function.

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/xattr.c"
    ],
    "versions": [
      {
        "version": "e50e5129f384ae282adebfb561189cdb19b81cee",
        "lessThan": "6aff941cb0f7d0c897c3698ad2e30672709135e3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e50e5129f384ae282adebfb561189cdb19b81cee",
        "lessThan": "76c365fa7e2a8bb85f0190cdb4b8cdc99b2fdce3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e50e5129f384ae282adebfb561189cdb19b81cee",
        "lessThan": "f737418b6de31c962c7192777ee4018906975383",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e50e5129f384ae282adebfb561189cdb19b81cee",
        "lessThan": "cf9291a3449b04688b81e32621e88de8f4314b54",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e50e5129f384ae282adebfb561189cdb19b81cee",
        "lessThan": "362a90cecd36e8a5c415966d0b75b04a0270e4dd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e50e5129f384ae282adebfb561189cdb19b81cee",
        "lessThan": "eb59cc31b6ea076021d14b04e7faab1636b87d0e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e50e5129f384ae282adebfb561189cdb19b81cee",
        "lessThan": "3bc6317033f365ce578eb6039445fb66162722fd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e50e5129f384ae282adebfb561189cdb19b81cee",
        "lessThan": "836e625b03a666cf93ff5be328c8cb30336db872",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e50e5129f384ae282adebfb561189cdb19b81cee",
        "lessThan": "c8e008b60492cf6fd31ef127aea6d02fd3d314cd",
        "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/xattr.c"
    ],
    "versions": [
      {
        "version": "4.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.293",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.237",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.181",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.135",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.88",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.24",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.13.12",
        "lessThanOrEqual": "6.13.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.14.3",
        "lessThanOrEqual": "6.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.15",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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30 Jul 2026 05:48Current
CVSS 3.17.8
EPSS0.00177
16