ACK: [CVE-2011-4621] Scheduler DOS

Tim Gardner rtg.canonical at gmail.com
Tue Jan 3 19:25:49 UTC 2012


On 01/03/2012 12:14 PM, Andy Whitcroft wrote:
> CVE-2011-4621
> 	A tight loop in user level process isn't preempted unless a
> 	realtime process is woken up on the cpu. Some important kernel
> 	threads such as events/*, kblockd/* can be blocked by the process,
> 	and the machine stalls.  Unprivileged local user could use this
> 	flaw to DoS the system.
>
> Fixes for this have hit all affected branches other than maverick/ti-omap4
> via mainline and stable.  Following this email is a patch for
> maverick/ti-omap4.  This is a direct cherry-pick of the stable update
> fix applied to maverick.
>
> Proposing for maverick/ti-omap4.
>
> -apw
>


-- 
Tim Gardner tim.gardner at canonical.com




More information about the kernel-team mailing list