ELSA-2010-0779 Moderate: Enterprise Linux kernel security and bug fix update
Description
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.
Solution(s)
- oracle-linux-upgrade-kernel
- oracle-linux-upgrade-kernel-devel
- oracle-linux-upgrade-kernel-doc
- oracle-linux-upgrade-kernel-hugemem
- oracle-linux-upgrade-kernel-hugemem-devel
- oracle-linux-upgrade-kernel-largesmp
- oracle-linux-upgrade-kernel-largesmp-devel
- oracle-linux-upgrade-kernel-smp
- oracle-linux-upgrade-kernel-smp-devel
- oracle-linux-upgrade-kernel-xenu
- oracle-linux-upgrade-kernel-xenu-devel
- oracle-linux-upgrade-ocfs2
- oracle-linux-upgrade-oracleasm
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