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CVE-2025-38517 lib/alloc_tag: do not acquire non-existent lock in alloc_tag_top_users()

🗓️ 16 Aug 2025 10:55:04Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

CVE-2025-38517: Linux kernel fix for alloc_tag_top_users avoids locking absent alloc_tag_cttype

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "lib/alloc_tag.c"
    ],
    "versions": [
      {
        "version": "1438d349d16b78d88f9e978a4a5496f078c8191b",
        "lessThan": "febc0b5dbabda414565bdfaaaa59d26f787d5fe7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1438d349d16b78d88f9e978a4a5496f078c8191b",
        "lessThan": "22bf79c0c2301b6e15a688220284b147774d277e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1438d349d16b78d88f9e978a4a5496f078c8191b",
        "lessThan": "99af22cd34688cc0d535a1919e0bea4cbc6c1ea1",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "lib/alloc_tag.c"
    ],
    "versions": [
      {
        "version": "6.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.39",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.15.7",
        "lessThanOrEqual": "6.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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