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CVE-2023-53169 x86/resctrl: Clear staged_config[] before and after it is used

🗓️ 15 Sep 2025 14:04:02Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

CVE-2023-53169: Clear staged_config before and after use in x86 resctrl to avoid MSR errors.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kernel/cpu/resctrl/ctrlmondata.c",
      "arch/x86/kernel/cpu/resctrl/internal.h",
      "arch/x86/kernel/cpu/resctrl/rdtgroup.c"
    ],
    "versions": [
      {
        "version": "75408e43509ed6207870c0e7e28656acbbc1f7fd",
        "lessThan": "86db319d25db70cf4af4557e05f6fa6f39c70003",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "75408e43509ed6207870c0e7e28656acbbc1f7fd",
        "lessThan": "3fc5941ecc31a495b6b84b465f36155009db99b5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "75408e43509ed6207870c0e7e28656acbbc1f7fd",
        "lessThan": "8ecc60ef9318f0d533b866fa421858cc185bccfc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "75408e43509ed6207870c0e7e28656acbbc1f7fd",
        "lessThan": "0424a7dfe9129b93f29b277511a60e87f052ac6b",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kernel/cpu/resctrl/ctrlmondata.c",
      "arch/x86/kernel/cpu/resctrl/internal.h",
      "arch/x86/kernel/cpu/resctrl/rdtgroup.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.104",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.21",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2.8",
        "lessThanOrEqual": "6.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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