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CVE-2009-2847

Description

The do_sigaltstack function in kernel/signal.c in Linux kernel 2.4 through 2.4.37 and 2.6 before 2.6.31-rc5, when running on 64-bit systems, does not clear certain padding bytes from a structure, which allows local users to obtain sensitive information from the kernel stack via the sigaltstack function.


Affected Package


OS OS Version Package Name Package Version
ubuntu 06.06 linux-source-2.6.15 2.6.15-55.80
ubuntu 08.04 linux 2.6.24-25.63
ubuntu 08.10 linux 2.6.27-15.43
ubuntu 09.04 linux 2.6.28-16.55

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