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Candidate: CVE-2009-2584
Description:
Off-by-one error in the options_write function in
drivers/misc/sgi-gru/gruprocfs.c in the SGI GRU driver in the Linux kernel
2.6.30.2 and earlier on ia64 and x86 platforms might allow local users to
overwrite arbitrary memory locations and gain privileges via a crafted count
argument, which triggers a stack-based buffer overflow.
References:
http://grsecurity.net/~spender/exploit_demo.c
http://lkml.org/lkml/2009/7/20/348
http://xorl.wordpress.com/2009/07/21/linux-kernel-sgi-gru-driver-off-by-one-overwrite
Ubuntu-Description:
Notes:
- high urgency since exploit code is currently in the wild
- the patch is still not applied upstream so i've sent a message upstream to lkml:
http://lkml.org/lkml/2009/11/4/538
Bugs:
upstream: released (2.6.32-rc7) [d39b7dd1dcbf394a1cb897457c862dafe9a20ac5], released (2.6.31.6) [42d7bdfc3320039bb9310703d6475a62f5c74772]
linux-2.6: released (2.6.31-2)
2.6.18-etch-security: N/A "code not present"
2.6.24-etch-security: N/A "code not present"
2.6.26-lenny-security: N/A "code not present"
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