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CVE-2023-53656 drivers/perf: hisi: Don't migrate perf to the CPU going to teardown

🗓️ 07 Oct 2025 15:21:17Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

Fix perf context migration on teardown by using cpumask_any_but() to pick an active CPU.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/perf/hisilicon/hisi_pcie_pmu.c"
    ],
    "versions": [
      {
        "version": "8404b0fbc7fbd42e5c5d28cdedd450e70829c77a",
        "lessThan": "be9c8c9c84b6d25a7b7d39954030aba6f759feb6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8404b0fbc7fbd42e5c5d28cdedd450e70829c77a",
        "lessThan": "f564e543a43d0f1cabac791672c8a6fc78ce12d0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8404b0fbc7fbd42e5c5d28cdedd450e70829c77a",
        "lessThan": "b64569897d86b611befbb895d815280fea94e1ed",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8404b0fbc7fbd42e5c5d28cdedd450e70829c77a",
        "lessThan": "7a6a9f1c5a0a875a421db798d4b2ee022dc1ee1a",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/perf/hisilicon/hisi_pcie_pmu.c"
    ],
    "versions": [
      {
        "version": "5.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.39",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.3.13",
        "lessThanOrEqual": "6.3.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.4.4",
        "lessThanOrEqual": "6.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.5",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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