APPLIED: [CVE-2011-1090] nfs4: Ensure that ACL pages sent over NFS were not allocated from the slab (v3)
Tim Gardner
tim.gardner at canonical.com
Fri Jul 8 16:44:53 UTC 2011
On 07/08/2011 10:00 AM, Andy Whitcroft wrote:
> CVE-2011-1090
> The __nfs4_proc_set_acl function in fs/nfs/nfs4proc.c in the
> Linux kernel before 2.6.38 stores NFSv4 ACL data in memory that is
> allocated by kmalloc but not properly freed, which allows local
> users to cause a denial of service (panic) via a crafted attempt
> to set an ACL.
>
> This has already been fixed for all releases after hardy. Following
> this email is a backport of this fix for hardy. This is a relaivly
> simple re-application of the original.
>
> Proposing for hardy.
>
> -apw
>
--
Tim Gardner tim.gardner at canonical.com
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