漏洞类别：Ubuntu
漏洞等级： 
漏洞信息
It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings.
漏洞危害
A local attacker could use this to gain administrative privileges.
解决方案
Refer to Ubuntu advisory USN-3104-1 for affected packages and patching details, or update with your package manager.
Patch:
Following are links for downloading patches to fix the vulnerabilities:
USN-3104-1: 12.04 (Precise) on src (linux-image-3.2.0-113-highbank)
USN-3104-1: 12.04 (Precise) on src (linux-image-3.2.0-113-powerpc64-smp)
USN-3104-1: 12.04 (Precise) on src (linux-image-3.2.0-113-generic-pae)
USN-3104-1: 12.04 (Precise) on src (linux-image-3.2.0-113-generic)
USN-3104-1: 12.04 (Precise) on src (linux-image-3.2.0-113-virtual)
USN-3104-1: 12.04 (Precise) on src (linux-image-3.2.0-113-omap)
USN-3104-1: 12.04 (Precise) on src (linux-image-3.2.0-113-powerpc-smp)
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