Hi,
On 6/22/07, Arnd Bergmann <[email protected]> wrote:
On Thursday 21 June 2007, Carsten Otte wrote:
>
> This is an updated version of my bugfix patch. Yan Zheng pointed out,
> that ext2_remount lacks checking if -o xip should be enabled or not.
> This patch checks for presence of direct_access on the backing block
> device and if the blocksize meets the requirements.
> Andrew, please consider adding this patch to -mm.
>
> Signed-off-by: Carsten Otte <[email protected]>
It looks to me like a local denial of service attack in case of
user-mountable ext2 file systems in /etc/fstab.
Shouldn't that make it go into 2.6.22?
I agree. I would go on to suggest that all trivially-triggered oopsen /
panics from userspace (even if they require privileges, such as the
cat /dev/snapshot == oops issue posted last week) in fact ought to
be CVE's, and the corresponding fixes for such issues be considered
as candidates for -stable, if applicable to the current stable kernel.
Satyam
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