漏洞类别：Ubuntu
漏洞等级： 
漏洞信息
It was discovered that the xfrm framework for transforming packets in the Linux kernel did not properly validate data received from user space.
漏洞危害
A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code with administrative privileges.
解决方案
Refer to Ubuntu advisory USN-3248-1 for affected packages and patching details, or update with your package manager.
Patch:
Following are links for downloading patches to fix the vulnerabilities:
USN-3248-1: 12.04 (Precise) on src (linux-image-3.2.0-125-powerpc64-smp)
USN-3248-1: 12.04 (Precise) on src (linux-image-3.2.0-125-powerpc-smp)
USN-3248-1: 12.04 (Precise) on src (linux-image-highbank)
USN-3248-1: 12.04 (Precise) on src (linux-image-omap)
USN-3248-1: 12.04 (Precise) on src (linux-image-3.2.0-125-highbank)
USN-3248-1: 12.04 (Precise) on src (linux-image-3.2.0-125-virtual)
USN-3248-1: 12.04 (Precise) on src (linux-image-3.2.0-125-generic-pae)
USN-3248-1: 12.04 (Precise) on src (linux-image-3.2.0-125-generic)
USN-3248-1: 12.04 (Precise) on src (linux-image-powerpc-smp)
USN-3248-1: 12.04 (Precise) on src (linux-image-generic)
USN-3248-1: 12.04 (Precise) on src (linux-image-virtual)
USN-3248-1: 12.04 (Precise) on src (linux-image-omap4)
USN-3248-1: 12.04 (Precise) on src (linux-image-3.2.0-1503-omap4)
USN-3248-1: 12.04 (Precise) on src (linux-image-3.2.0-125-omap)
USN-3248-1: 12.04 (Precise) on src (linux-image-generic-pae)
USN-3248-1: 12.04 (Precise) on src (linux-image-powerpc64-smp)
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