CVE-2026-64556

🗓️ 29 Jul 2026 08:01:46Reported by LinuxType

Perf core detaches event groups during remove_on_exec to avoid corrupt PMU context.

Reporter	Title	Published	Views	Family All 7
ATTACKERKB	CVE-2026-64556	29 Jul 202608:01	–	attackerkb
Circl	CVE-2026-64556	29 Jul 202611:01	–	circl
Cvelist	CVE-2026-64556 perf/core: Detach event groups during remove_on_exec	29 Jul 202608:01	–	cvelist
EUVD	EUVD-2026-50201	29 Jul 202608:01	–	euvd
NVD	CVE-2026-64556	29 Jul 202609:16	–	nvd
Positive Technologies	PT-2026-65734	29 Jul 202600:00	–	ptsecurity
RedhatCVE	CVE-2026-64556	29 Jul 202609:57	–	redhatcve

Vulners

CNA

Node

linux linux_kernelRange5.13–6.6.145

linux linux_kernelRange6.7.0–6.12.96

linux linux_kernelRange6.13.0–6.18.39

linux linux_kernelRange6.19.0–7.1.4

linux linux_kernelRange7.2.0–7.2-rc2

[
  {
    "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": "2e498d0a74e5b88a6689ae1b811f247f91ff188e",
        "lessThan": "4cdb1b3ab96eb1b7eb70bc5c82fede334bd60df2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2e498d0a74e5b88a6689ae1b811f247f91ff188e",
        "lessThan": "39358e856fb89e62e3c8d7389a2dc4ec33dbe90e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2e498d0a74e5b88a6689ae1b811f247f91ff188e",
        "lessThan": "a2d5d3ee7b6e3953114726b1521e62123ab5b043",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2e498d0a74e5b88a6689ae1b811f247f91ff188e",
        "lessThan": "06ccef0434e98058ddae7bcebc901f93d22b7653",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2e498d0a74e5b88a6689ae1b811f247f91ff188e",
        "lessThan": "037a3c43edfb597665dd34457cd22b14692f2ba3",
        "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": "5.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.96",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/4cdb1b3ab96eb1b7eb70bc5c82fede334bd60df2
git	www.git.kernel.org/stable/c/39358e856fb89e62e3c8d7389a2dc4ec33dbe90e
git	www.git.kernel.org/stable/c/a2d5d3ee7b6e3953114726b1521e62123ab5b043
git	www.git.kernel.org/stable/c/037a3c43edfb597665dd34457cd22b14692f2ba3
git	www.git.kernel.org/stable/c/06ccef0434e98058ddae7bcebc901f93d22b7653

29 Jul 2026 09:16Current

5.8Medium risk

Vulners AI Score5.8