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kernel: use-after-free in show_numa_stats function

🗓️ 26 Oct 2021 07:48:17Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 2 Views

A use after free in show_numa_stats may expose kernel memory and impact availability.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM QRadar Network Security is affected by multiple vulnerabilities in kernel.
7 Jul 202211:14
–ibm
BDU FSTEC		The vulnerability of the show_numa_stats() function in the NUMA-enabled kernel of Linux operating systems allows a hacker to trigger a service failure.
3 Dec 202000:00
–bdu_fstec
Tenable Nessus		CentOS 7 : kernel (RHSA-2021:2725)
22 Jul 202100:00
–nessus
Tenable Nessus		EulerOS 2.0 SP8 : kernel (EulerOS-SA-2020-2514)
14 Dec 202000:00
–nessus
Tenable Nessus		EulerOS Virtualization for ARM 64 3.0.2.0 : kernel (EulerOS-SA-2021-1039)
5 Jan 202100:00
–nessus
Tenable Nessus		EulerOS 2.0 SP3 : kernel (EulerOS-SA-2021-1079)
20 Jan 202100:00
–nessus
Tenable Nessus		EulerOS 2.0 SP2 : kernel (EulerOS-SA-2021-1311)
22 Feb 202100:00
–nessus
Tenable Nessus		EulerOS 2.0 SP5 : kernel (EulerOS-SA-2021-1684)
24 Mar 202100:00
–nessus
Tenable Nessus		MiracleLinux 7 : kernel-3.10.0-1160.36.2.el7 (AXSA:2021-2250:14)
20 Jan 202600:00
–nessus
Tenable Nessus		NewStart CGSL CORE 5.04 / MAIN 5.04 : kernel Multiple Vulnerabilities (NS-SA-2022-0014)
10 May 202200:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppc64lebpftool3.10.0-1062.59.1.el7bpftool-3.10.0-1062.59.1.el7.ppc64le.rpm
Red Hat Enterprise Linux7x86_64bpftool3.10.0-1062.59.1.el7bpftool-3.10.0-1062.59.1.el7.x86_64.rpm
Red Hat Enterprise Linux7ppc64lebpftool-debuginfo3.10.0-1062.59.1.el7bpftool-debuginfo-3.10.0-1062.59.1.el7.ppc64le.rpm
Red Hat Enterprise Linux7x86_64bpftool-debuginfo3.10.0-1062.59.1.el7bpftool-debuginfo-3.10.0-1062.59.1.el7.x86_64.rpm
Red Hat Enterprise Linux7ppc64lekernel3.10.0-1062.59.1.el7kernel-3.10.0-1062.59.1.el7.ppc64le.rpm
Red Hat Enterprise Linux7x86_64kernel3.10.0-1062.59.1.el7kernel-3.10.0-1062.59.1.el7.x86_64.rpm
Red Hat Enterprise Linux7noarchkernel-abi-whitelists3.10.0-1062.59.1.el7kernel-abi-whitelists-3.10.0-1062.59.1.el7.noarch.rpm
Red Hat Enterprise Linux7ppc64lekernel-bootwrapper3.10.0-1062.59.1.el7kernel-bootwrapper-3.10.0-1062.59.1.el7.ppc64le.rpm
Red Hat Enterprise Linux7ppc64lekernel-debug3.10.0-1062.59.1.el7kernel-debug-3.10.0-1062.59.1.el7.ppc64le.rpm
Red Hat Enterprise Linux7x86_64kernel-debug3.10.0-1062.59.1.el7kernel-debug-3.10.0-1062.59.1.el7.x86_64.rpm
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28 Jun 2026 12:35Current
7.1High risk
Vulners AI Score7.1
CVSS 3.15.3
CVSS 25.4
EPSS0.00313
CWE-416
use after freeshow_numa_statsscheduler statisticskernel memory exposureuserspace displaysystem availability
2