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kernel: mm: privilege escalation via MAP_PRIVATE COW breakage

🗓️ 26 Oct 2016 09:07:07Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

Race condition in Linux kernel memory handling enables local users to write to read only mappings.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6.7ppc64kernel0:2.6.32-573.35.2.el6kernel-0:2.6.32-573.35.2.el6.ppc64.rpm
Red Hat Enterprise Linux6.7s390xkernel0:2.6.32-573.35.2.el6kernel-0:2.6.32-573.35.2.el6.s390x.rpm
Red Hat Enterprise Linux6.7x86_64kernel0:2.6.32-573.35.2.el6kernel-0:2.6.32-573.35.2.el6.x86_64.rpm
Red Hat Enterprise Linux6.7anykernel0:2.6.32-573.35.2.el6.i686kernel-0:2.6.32-573.35.2.el6.i686.noarch.rpm
Red Hat Enterprise Linux6.7anykernel-abi-whitelists0:2.6.32-573.35.2.el6.noarchkernel-abi-whitelists-0:2.6.32-573.35.2.el6.noarch.noarch.rpm
Red Hat Enterprise Linux6.7ppc64kernel-bootwrapper0:2.6.32-573.35.2.el6kernel-bootwrapper-0:2.6.32-573.35.2.el6.ppc64.rpm
Red Hat Enterprise Linux6.7ppc64kernel-debug0:2.6.32-573.35.2.el6kernel-debug-0:2.6.32-573.35.2.el6.ppc64.rpm
Red Hat Enterprise Linux6.7s390xkernel-debug0:2.6.32-573.35.2.el6kernel-debug-0:2.6.32-573.35.2.el6.s390x.rpm
Red Hat Enterprise Linux6.7x86_64kernel-debug0:2.6.32-573.35.2.el6kernel-debug-0:2.6.32-573.35.2.el6.x86_64.rpm
Red Hat Enterprise Linux6.7anykernel-debug0:2.6.32-573.35.2.el6.i686kernel-debug-0:2.6.32-573.35.2.el6.i686.noarch.rpm
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11 Apr 2026 22:06Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.17
CVSS 27.2
EPSS0.93929
SSVC
2