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

[Roxana Nicolescu]

On 25/10/2023 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: Roxana Nicolescu <roxana.nicolescu at canonical.com>