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kernel: tight loop and no preemption can cause system stall

🗓️ 22 Dec 2011 18:06:00Reported by RedHatType 
redhat
 redhat
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Preemptionless kernel loop can stall the system due to a clock update bug before 2.6.37.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6ppc64kernel0:2.6.32-220.2.1.el6kernel-0:2.6.32-220.2.1.el6.ppc64.rpm
Red Hat Enterprise Linux6s390xkernel0:2.6.32-220.2.1.el6kernel-0:2.6.32-220.2.1.el6.s390x.rpm
Red Hat Enterprise Linux6x86_64kernel0:2.6.32-220.2.1.el6kernel-0:2.6.32-220.2.1.el6.x86_64.rpm
Red Hat Enterprise Linux6anykernel0:2.6.32-220.2.1.el6.i686kernel-0:2.6.32-220.2.1.el6.i686.noarch.rpm
Red Hat Enterprise Linux6ppc64kernel-bootwrapper0:2.6.32-220.2.1.el6kernel-bootwrapper-0:2.6.32-220.2.1.el6.ppc64.rpm
Red Hat Enterprise Linux6ppc64kernel-debug0:2.6.32-220.2.1.el6kernel-debug-0:2.6.32-220.2.1.el6.ppc64.rpm
Red Hat Enterprise Linux6s390xkernel-debug0:2.6.32-220.2.1.el6kernel-debug-0:2.6.32-220.2.1.el6.s390x.rpm
Red Hat Enterprise Linux6x86_64kernel-debug0:2.6.32-220.2.1.el6kernel-debug-0:2.6.32-220.2.1.el6.x86_64.rpm
Red Hat Enterprise Linux6anykernel-debug0:2.6.32-220.2.1.el6.i686kernel-debug-0:2.6.32-220.2.1.el6.i686.noarch.rpm
Red Hat Enterprise Linux6ppc64kernel-debug-debuginfo0:2.6.32-220.2.1.el6kernel-debug-debuginfo-0:2.6.32-220.2.1.el6.ppc64.rpm
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27 Jun 2026 14:35Current
6.2Medium risk
Vulners AI Score6.2
CVSS 24.9
CVSS 3.15.5
EPSS0.00441
0