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CVE-2026-99187 perf: Fix perf_pmu_migrate_context() leaving events behind

🗓️ 28 Oct 2026 10:35:44Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Linux kernel perf_pmu_migrate_context() leaves events behind during CPU hotplug.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-99187
28 Oct 202610:35
–cve
euvd
EUVD
EUVD-2026-111939
28 Oct 202610:35
–euvd
nvd
NVD
CVE-2026-99187
28 Oct 202611:17
–nvd
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/events/core.c"
    ],
    "versions": [
      {
        "version": "bd27568117664b8b3e259721393df420ed51f57b",
        "lessThan": "3eb08f09bfb364051f51316da873c3bd51a839ef",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bd27568117664b8b3e259721393df420ed51f57b",
        "lessThan": "f5f0028764de322a3d04eda0d3b6389ca9847446",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bd27568117664b8b3e259721393df420ed51f57b",
        "lessThan": "e76b36b4be7160eaa14b416681e548b125702395",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/events/core.c"
    ],
    "versions": [
      {
        "version": "6.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.59",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.13",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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