oss-security - Re: CVE request: kernel: tc: uninitialised kernel memory leak

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Date: Mon, 07 Sep 2009 11:32:29 +0800
From: Eugene Teo <eugeneteo@...nel.sg>
To: oss-security@...ts.openwall.com
CC: Willy Tarreau <w@....eu>, "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE request: kernel: tc: uninitialised kernel
 memory leak

Solar Designer wrote:
> On Thu, Sep 03, 2009 at 11:45:03AM +0800, Eugene Teo wrote:
>> Three bytes of uninitialised kernel memory are currently leaked to user.
>>
>> http://patchwork.ozlabs.org/patch/32830/
>> https://bugzilla.redhat.com/show_bug.cgi?id=520990
> 
> 2.4 kernels appear to be affected as well, and moreover they appear to
> require at least some of these older fixes as well:
> 
> http://marc.info/?l=git-commits-head&m=112002138324380

This is commit 9ef1d4c7c7aca1cd436612b6ca785b726ffb8ed8.

And linux-2.4.37.y needs the following two patches too:

[NETLINK]: Clear padding in netlink messages
b3563c4fbff906991a1b4ef4609f99cca2a0de6a

[NETLINK]: Missing padding fields in dumped structures
8a47077a0b5aa2649751c46e7a27884e6686ccbf

Thanks, Eugene

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