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Date: Mon, 14 Jun 2010 10:00:56 +0800
From: Eugene Teo <>
CC: Dan Rosenberg <>
Subject: Re: CVE request - kernel: btrfs: prevent users from
 setting ACLs on files 	they do not own

On 06/14/2010 09:42 AM, Eugene Teo wrote:
> On 06/12/2010 04:32 AM, Dan Rosenberg wrote:
>> Shi Weihua discovered that btrfs did not check ownership of files
>> before setting ACLs, allowing any user to set ACLs for any file,
>> completely bypassing all file permissions. This wasn't reported as a
>> security issue, but it seems pretty serious to me (for those who use
>> btrfs). See for his original post.
> Thanks, please use CVE-2010-2071.

Upstream commit:

main(i) { putchar(182623909 >> (i-1) * 5&31|!!(i<7)<<6) && main(++i); }

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