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kernel: Stack corruption while reading /proc/keys when gcc stack protector is enabled

🗓️ 21 Mar 2017 09:06:51Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

With stack protector enabled, reading /proc/keys caused kernel panic from stack corruption due to wrong buffer size for timeout.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM QRadar Network Security is affected by vulnerabilities in Linux kernel
16 Jun 201822:04
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in the Linux Kernel affect PowerKVM
18 Jun 201801:34
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in the Linux kernel affect PowerKVM
18 Jun 201801:40
–ibm
Tenable Nessus		CentOS 6 : kernel (CESA-2017:0817)
27 Mar 201700:00
–nessus
Tenable Nessus		CentOS 7 : kernel (CESA-2017:1842) (Stack Clash)
25 Aug 201700:00
–nessus
Tenable Nessus		Debian DLA-670-1 : linux security update (Dirty COW)
20 Oct 201600:00
–nessus
Tenable Nessus		Debian DSA-3696-1 : linux - security update (Dirty COW)
20 Oct 201600:00
–nessus
Tenable Nessus		EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1494)
15 May 201900:00
–nessus
Tenable Nessus		EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1531)
14 May 201900:00
–nessus
Tenable Nessus		MiracleLinux 7 : kernel-3.10.0-693.el7 (AXSA:2017-1758:07)
19 Jan 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6ppc64kernel0:2.6.32-696.el6kernel-0:2.6.32-696.el6.ppc64.rpm
Red Hat Enterprise Linux6s390xkernel0:2.6.32-696.el6kernel-0:2.6.32-696.el6.s390x.rpm
Red Hat Enterprise Linux6x86_64kernel0:2.6.32-696.el6kernel-0:2.6.32-696.el6.x86_64.rpm
Red Hat Enterprise Linux6anykernel0:2.6.32-696.el6.i686kernel-0:2.6.32-696.el6.i686.noarch.rpm
Red Hat Enterprise Linux6anykernel-abi-whitelists0:2.6.32-696.el6.noarchkernel-abi-whitelists-0:2.6.32-696.el6.noarch.noarch.rpm
Red Hat Enterprise Linux6ppc64kernel-bootwrapper0:2.6.32-696.el6kernel-bootwrapper-0:2.6.32-696.el6.ppc64.rpm
Red Hat Enterprise Linux6ppc64kernel-debug0:2.6.32-696.el6kernel-debug-0:2.6.32-696.el6.ppc64.rpm
Red Hat Enterprise Linux6s390xkernel-debug0:2.6.32-696.el6kernel-debug-0:2.6.32-696.el6.s390x.rpm
Red Hat Enterprise Linux6x86_64kernel-debug0:2.6.32-696.el6kernel-debug-0:2.6.32-696.el6.x86_64.rpm
Red Hat Enterprise Linux6anykernel-debug0:2.6.32-696.el6.i686kernel-debug-0:2.6.32-696.el6.i686.noarch.rpm
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28 Jun 2026 12:10Current
6.9Medium risk
Vulners AI Score6.9
CVSS 24.9
CVSS 36.2
EPSS0.00395
CWE-121
stack protectorproc keyskernel panicstack corruptionbuffer sizetimeoutlinux unix
3