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kernel: sysctl: restrict write access to dmesg_restrict

🗓️ 17 Apr 2012 18:54:00Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 1 Views

Kernel before 2.6.39 lets non admin users modify dmesg_restrict and read the kernel ring buffer.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6i686kernel0:2.6.32-220.13.1.el6kernel-0:2.6.32-220.13.1.el6.i686.rpm
Red Hat Enterprise Linux6ppc64kernel0:2.6.32-220.13.1.el6kernel-0:2.6.32-220.13.1.el6.ppc64.rpm
Red Hat Enterprise Linux6s390xkernel0:2.6.32-220.13.1.el6kernel-0:2.6.32-220.13.1.el6.s390x.rpm
Red Hat Enterprise Linux6x86_64kernel0:2.6.32-220.13.1.el6kernel-0:2.6.32-220.13.1.el6.x86_64.rpm
Red Hat Enterprise Linux6ppc64kernel-bootwrapper0:2.6.32-220.13.1.el6kernel-bootwrapper-0:2.6.32-220.13.1.el6.ppc64.rpm
Red Hat Enterprise Linux6i686kernel-debug0:2.6.32-220.13.1.el6kernel-debug-0:2.6.32-220.13.1.el6.i686.rpm
Red Hat Enterprise Linux6ppc64kernel-debug0:2.6.32-220.13.1.el6kernel-debug-0:2.6.32-220.13.1.el6.ppc64.rpm
Red Hat Enterprise Linux6s390xkernel-debug0:2.6.32-220.13.1.el6kernel-debug-0:2.6.32-220.13.1.el6.s390x.rpm
Red Hat Enterprise Linux6x86_64kernel-debug0:2.6.32-220.13.1.el6kernel-debug-0:2.6.32-220.13.1.el6.x86_64.rpm
Red Hat Enterprise Linux6i686kernel-debug-debuginfo0:2.6.32-220.13.1.el6kernel-debug-debuginfo-0:2.6.32-220.13.1.el6.i686.rpm
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21 Nov 2025 17:40Current
5.9Medium risk
Vulners AI Score5.9
CVSS 24
EPSS0.00074
1