The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade RHEL:6
kernel-debug-devel
to version 0:2.6.32-71.7.1.el6 or higher.
This issue was patched in RHSA-2010:0842
.
Note: Versions mentioned in the description apply only to the upstream kernel-debug-devel
package and not the kernel-debug-devel
package as distributed by RHEL
.
See How to fix?
for RHEL:6
relevant fixed versions and status.
The compat_alloc_user_space functions in include/asm/compat.h files in the Linux kernel before 2.6.36-rc4-git2 on 64-bit platforms do not properly allocate the userspace memory required for the 32-bit compatibility layer, which allows local users to gain privileges by leveraging the ability of the compat_mc_getsockopt function (aka the MCAST_MSFILTER getsockopt support) to control a certain length value, related to a "stack pointer underflow" issue, as exploited in the wild in September 2010.