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CVE-2025-38568 net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing

🗓️ 19 Aug 2025 17:02:49Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

mqprio: limit index to max_queue-1 to prevent stack out-of-bounds write during tc entry parsing.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sched/sch_mqprio.c"
    ],
    "versions": [
      {
        "version": "f62af20bed2d9e824f51cfc97ff01bc261f40e58",
        "lessThan": "39491e859fd494d0b51adc5c7d54c8a7dcf1d198",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f62af20bed2d9e824f51cfc97ff01bc261f40e58",
        "lessThan": "d00e4125680f7074c4f42ce3c297336f23128e70",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f62af20bed2d9e824f51cfc97ff01bc261f40e58",
        "lessThan": "66fc2ebdd9d5dd6e5a9c7edeace5a61a0ab2cd86",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f62af20bed2d9e824f51cfc97ff01bc261f40e58",
        "lessThan": "f1a9dbcb7d17bf0abb325cdc984957cfabc59693",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f62af20bed2d9e824f51cfc97ff01bc261f40e58",
        "lessThan": "ffd2dc4c6c49ff4f1e5d34e454a6a55608104c17",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sched/sch_mqprio.c"
    ],
    "versions": [
      {
        "version": "6.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.102",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.42",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.15.10",
        "lessThanOrEqual": "6.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16.1",
        "lessThanOrEqual": "6.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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