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kernel: keyctl_set_reqkey_keyring() leaks thread keyrings

🗓️ 25 Jan 2018 11:26:34Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

Linux kernel flaw leaks thread keyrings via keyctl_set_reqkey_keyring, enabling local users to exhaust memory and cause DoS.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
0day.today		Linux Kernel < 4.10.13 - keyctl_set_reqkey_keyring Local Denial of Service Exploit
8 Jun 201700:00
–zdt
IBM Security Bulletins		Security Bulletin: IBM QRadar Network Security is affected by Linux kernel vulnerabilities
25 Jul 201814:37
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in the Linux Kernel affect PowerKVM
18 Jun 201801:36
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in the Linux kernel affect PowerKVM
6 Jul 201823:49
–ibm
Tenable Nessus		CentOS 7 : kernel (CESA-2018:0151) (Meltdown) (Spectre)
26 Jan 201800:00
–nessus
Tenable Nessus		Debian DLA-922-1 : linux security update
1 May 201700:00
–nessus
Tenable Nessus		EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1478)
13 May 201900:00
–nessus
Tenable Nessus		EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1504)
13 May 201900:00
–nessus
Tenable Nessus		EulerOS 2.0 SP3 : kernel (EulerOS-SA-2019-2274)
8 Nov 201900:00
–nessus
Tenable Nessus		EulerOS 2.0 SP2 : kernel (EulerOS-SA-2019-2353)
10 Dec 201900:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6x86_64kernel-rt1:3.10.0-693.17.1.rt56.604.el6rtkernel-rt-1:3.10.0-693.17.1.rt56.604.el6rt.x86_64.rpm
Red Hat Enterprise Linux6x86_64kernel-rt-debug1:3.10.0-693.17.1.rt56.604.el6rtkernel-rt-debug-1:3.10.0-693.17.1.rt56.604.el6rt.x86_64.rpm
Red Hat Enterprise Linux6x86_64kernel-rt-debug-debuginfo1:3.10.0-693.17.1.rt56.604.el6rtkernel-rt-debug-debuginfo-1:3.10.0-693.17.1.rt56.604.el6rt.x86_64.rpm
Red Hat Enterprise Linux6x86_64kernel-rt-debug-devel1:3.10.0-693.17.1.rt56.604.el6rtkernel-rt-debug-devel-1:3.10.0-693.17.1.rt56.604.el6rt.x86_64.rpm
Red Hat Enterprise Linux6x86_64kernel-rt-debuginfo1:3.10.0-693.17.1.rt56.604.el6rtkernel-rt-debuginfo-1:3.10.0-693.17.1.rt56.604.el6rt.x86_64.rpm
Red Hat Enterprise Linux6x86_64kernel-rt-debuginfo-common-x86_641:3.10.0-693.17.1.rt56.604.el6rtkernel-rt-debuginfo-common-x86_64-1:3.10.0-693.17.1.rt56.604.el6rt.x86_64.rpm
Red Hat Enterprise Linux6x86_64kernel-rt-devel1:3.10.0-693.17.1.rt56.604.el6rtkernel-rt-devel-1:3.10.0-693.17.1.rt56.604.el6rt.x86_64.rpm
Red Hat Enterprise Linux6anykernel-rt-doc1:3.10.0-693.17.1.rt56.604.el6rt.noarchkernel-rt-doc-1:3.10.0-693.17.1.rt56.604.el6rt.noarch.noarch.rpm
Red Hat Enterprise Linux6anykernel-rt-firmware1:3.10.0-693.17.1.rt56.604.el6rt.noarchkernel-rt-firmware-1:3.10.0-693.17.1.rt56.604.el6rt.noarch.noarch.rpm
Red Hat Enterprise Linux6x86_64kernel-rt-trace1:3.10.0-693.17.1.rt56.604.el6rtkernel-rt-trace-1:3.10.0-693.17.1.rt56.604.el6rt.x86_64.rpm
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28 Jun 2026 12:11Current
6.6Medium risk
Vulners AI Score6.6
CVSS 24.9
CVSS 35.5
EPSS0.02282
CWE-400
linux kernelthread keyringsmemory exhaustiondenial of servicelocal userskeyctl_set_reqkey_keyring
5