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kernel: perf: Reject exited events as group leaders

🗓️ 28 Sep 2026 12:09:59Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 7 Views

Local use-after-free in Linux kernel perf subsystem as group leaders causes DoS or escalation.

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Packages
Refs
ReporterTitlePublishedViews
Family
almalinux
AlmaLinux
Important: kernel-rt security update
28 Sep 202600:00
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almalinux
AlmaLinux
Important: kernel security update
28 Sep 202600:00
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astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 6.12
8 May 202609:09
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cve
CVE
CVE-2026-74753
26 Aug 202614:37
–cve
cvelist
Cvelist
CVE-2026-74753 perf: Reject exited events as group leaders
26 Aug 202614:37
–cvelist
debiancve
Debian CVE
CVE-2026-74753
26 Aug 202614:37
–debiancve
euvd
EUVD
EUVD-2026-66583
27 Aug 202606:31
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mscve
Microsoft CVE
perf: Reject exited events as group leaders
27 Aug 202608:06
–mscve
nvd
NVD
CVE-2026-74753
26 Aug 202615:16
–nvd
osv
OSV
AZL-97778 CVE-2026-74753 affecting package kernel 6.6.152.1-1
26 Aug 202615:16
–osv
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.10x86_64kernel-rt4.18.0-553.169.1.rt7.510.el8_10kernel-rt-4.18.0-553.169.1.rt7.510.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-core4.18.0-553.169.1.rt7.510.el8_10kernel-rt-core-4.18.0-553.169.1.rt7.510.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug4.18.0-553.169.1.rt7.510.el8_10kernel-rt-debug-4.18.0-553.169.1.rt7.510.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-core4.18.0-553.169.1.rt7.510.el8_10kernel-rt-debug-core-4.18.0-553.169.1.rt7.510.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-debuginfo4.18.0-553.169.1.rt7.510.el8_10kernel-rt-debug-debuginfo-4.18.0-553.169.1.rt7.510.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-devel4.18.0-553.169.1.rt7.510.el8_10kernel-rt-debug-devel-4.18.0-553.169.1.rt7.510.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-kvm4.18.0-553.169.1.rt7.510.el8_10kernel-rt-debug-kvm-4.18.0-553.169.1.rt7.510.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-modules4.18.0-553.169.1.rt7.510.el8_10kernel-rt-debug-modules-4.18.0-553.169.1.rt7.510.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-modules-extra4.18.0-553.169.1.rt7.510.el8_10kernel-rt-debug-modules-extra-4.18.0-553.169.1.rt7.510.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debuginfo4.18.0-553.169.1.rt7.510.el8_10kernel-rt-debuginfo-4.18.0-553.169.1.rt7.510.el8_10.x86_64.rpm
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28 Sep 2026 18:40Current
7.3High risk
Vulners AI Score7.3
CVSS 3.17.8
EPSS0.00175
7