APPLIED: [PATCH 0/2] [SRU] [xenial/linux] CVE-2017-5967

[Tim Gardner]

Applied to xenial/master-next. Thanks.

-rtg

On 3/16/21 1:24 PM, Tim Gardner wrote:
> [Impact]
> The time subsystem in the Linux kernel through 4.9.9, when CONFIG_TIMER_STATS is
> enabled, allows local users to discover real PID values (as distinguished from
> PID values inside a PID namespace) by reading the /proc/timer_list file, related
> to the print_timer function in kernel/time/timer_list.c and the
> __timer_stats_timer_set_start_info function in kernel/time/timer.c.
> 
> [Test Plan]
> Boot tested and checked that /proc/timer_stats is gone
> 
> [Where problems could occur]
> This does change the kernel ABI interface in that /proc/timer_stats no longer exists.
> 

-- 
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Tim Gardner
Canonical, Inc