ACK: [SRU Focal,Jammy,OEM-6.1,Lunar,Mantic 0/1] CVE-2023-5717

[Stefan Bader]

On 25.10.23 22:56, Thadeu Lima de Souza Cascardo wrote:
> [Impact]
> Users with access to perf (CAP_PERFMON) or unprivileged users on systems
> where sysctl kernel.perf_event_paranoid is less than 1 may escalate
> privileges.
> 
> [Backport]
> All clean cherry-picks, but could not apply cleanly (except with --3way),
> hence the multiple submissions.
> 
> [Potential regressions]
> performance monitoring (perf command) may break.
> 
> Peter Zijlstra (1):
>    perf: Disallow mis-matched inherited group reads
> 
>   include/linux/perf_event.h |  1 +
>   kernel/events/core.c       | 39 ++++++++++++++++++++++++++++++++------
>   2 files changed, 34 insertions(+), 6 deletions(-)
> 

Acked-by: Stefan Bader <stefan.bader at canonical.com>
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