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kernel: Uninitialized variable in request_key handling causes kernel crash in error handling path

🗓️ 04 Oct 2016 21:08:18Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

Uninitialized variable in request_key handling can crash kernel and enable use-after-free.

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6i686kernel0:2.6.32-642.6.1.el6kernel-0:2.6.32-642.6.1.el6.i686.rpm
Red Hat Enterprise Linux6ppc64kernel0:2.6.32-642.6.1.el6kernel-0:2.6.32-642.6.1.el6.ppc64.rpm
Red Hat Enterprise Linux6s390xkernel0:2.6.32-642.6.1.el6kernel-0:2.6.32-642.6.1.el6.s390x.rpm
Red Hat Enterprise Linux6x86_64kernel0:2.6.32-642.6.1.el6kernel-0:2.6.32-642.6.1.el6.x86_64.rpm
Red Hat Enterprise Linux6anykernel-abi-whitelists0:2.6.32-642.6.1.el6kernel-abi-whitelists-0:2.6.32-642.6.1.el6.noarch.rpm
Red Hat Enterprise Linux6ppc64kernel-bootwrapper0:2.6.32-642.6.1.el6kernel-bootwrapper-0:2.6.32-642.6.1.el6.ppc64.rpm
Red Hat Enterprise Linux6i686kernel-debug0:2.6.32-642.6.1.el6kernel-debug-0:2.6.32-642.6.1.el6.i686.rpm
Red Hat Enterprise Linux6ppc64kernel-debug0:2.6.32-642.6.1.el6kernel-debug-0:2.6.32-642.6.1.el6.ppc64.rpm
Red Hat Enterprise Linux6s390xkernel-debug0:2.6.32-642.6.1.el6kernel-debug-0:2.6.32-642.6.1.el6.s390x.rpm
Red Hat Enterprise Linux6x86_64kernel-debug0:2.6.32-642.6.1.el6kernel-debug-0:2.6.32-642.6.1.el6.x86_64.rpm
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26 Feb 2026 20:21Current
6.7Medium risk
Vulners AI Score6.7
CVSS 24.9
CVSS 35.5
EPSS0.00055
2