Re: lug-bg: vulnerability in kernel code

[Todor Pirov <refract@xxxxxxx>]

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Subject: Re: [gentoo-security] new kernel vulnerability in 2.2, 2.4 and 2.6 
series
Date: Tuesday 06 January 2004 08:27
From: pb <pb@xxxxxxxxxxxxx>
To: gentoo-security@xxxxxxxxxxxxxxxx

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Tobias Weisserth wrote:
> Hello everybody,
>
> there is a new kernel vulnerability in the mremap system call. This
> affects all kernels of the 2.2, 2,4 and 2.6 series with the exception of
> 2.4.24. There is some information on this at
> http://isec.pl/vulnerabilities/isec-0013-mremap.txt.

Here's a hotfix from Wojtek Kaniewski for <=2.4.23 kernels

# wget http://toxygen.net/hotfixes/mremap.c
# gcc -Wall -O3 -fomit-frame-pointer -I/usr/src/linux/include -c -o
mremap.o mremap.c
# insmod mremap.o

pb

- --
Public Key: http://teleinfo.tu.kielce.pl/~pb/gpg.asc

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