CVE-2026-74753

🗓️ 26 Aug 2026 14:37:00Reported by LinuxType

Linux kernel perf use-after-free when exited event accepted as group leader in perf_event_open.

Reporter	Title	Published	Views	Family All 14
AstraLinux	Astra Linux – Vulnerability in Linux 6.12	8 May 202609:09	–	astralinux
Cvelist	CVE-2026-74753 perf: Reject exited events as group leaders	26 Aug 202614:37	–	cvelist
Debian CVE	CVE-2026-74753	26 Aug 202614:37	–	debiancve
EUVD	EUVD-2026-66583	27 Aug 202606:31	–	euvd
NVD	CVE-2026-74753	26 Aug 202615:16	–	nvd
OSV	AZL-97778 CVE-2026-74753 affecting package kernel 6.6.150.1-1	26 Aug 202615:16	–	osv
OSV	BELL-CVE-2026-74753	29 Aug 202606:03	–	osv
OSV	DEBIAN-CVE-2026-74753	26 Aug 202615:16	–	osv
OSV	UBUNTU-CVE-2026-74753	26 Aug 202615:16	–	osv
Positive Technologies	PT-2026-82133	26 Aug 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange6.6.145–6.6.156

linux linux_kernelRange6.12.96–6.12.108

linux linux_kernelRange6.18.39–6.18.46

linux linux_kernelRange7.1.4–7.1.10

[
  {
    "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": "4cdb1b3ab96eb1b7eb70bc5c82fede334bd60df2",
        "lessThan": "ce12e1170c0c78dffb9b28af6d287492ae7dd99d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "39358e856fb89e62e3c8d7389a2dc4ec33dbe90e",
        "lessThan": "e593031ff19a9484e8a00bc47edd447187721846",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a2d5d3ee7b6e3953114726b1521e62123ab5b043",
        "lessThan": "7a03413f31c196ab3894f988cdce0bb47b4fec42",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "06ccef0434e98058ddae7bcebc901f93d22b7653",
        "lessThan": "7ce010275c531475f9d6e7efb11b9e522c74ed2e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "037a3c43edfb597665dd34457cd22b14692f2ba3",
        "lessThan": "fa091f46c3833fb22384f10eade2b4e1e1d0b278",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "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": "6.6.145",
        "lessThan": "6.6.156",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.12.96",
        "lessThan": "6.12.108",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "lessThan": "6.18.46",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "lessThan": "7.1.10",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/fa091f46c3833fb22384f10eade2b4e1e1d0b278
git	www.git.kernel.org/stable/c/e593031ff19a9484e8a00bc47edd447187721846
git	www.git.kernel.org/stable/c/ce12e1170c0c78dffb9b28af6d287492ae7dd99d
git	www.git.kernel.org/stable/c/7ce010275c531475f9d6e7efb11b9e522c74ed2e
git	www.git.kernel.org/stable/c/7a03413f31c196ab3894f988cdce0bb47b4fec42

02 Sep 2026 13:18Current

5.4Medium risk

Vulners AI Score5.4

CVSS 3.17.8

EPSS0.00128