ACK/Cmnt: [SRU][F][PATCH 0/1] CVE-2022-48655

[Manuel Diewald]

On Mon, Jun 24, 2024 at 05:35:47PM -0500, Bethany Jamison wrote:
> [Impact]
> 
> firmware: arm_scmi: Harden accesses to the reset domains
> 
> Accessing reset domains descriptors by the index upon the SCMI drivers
> requests through the SCMI reset operations interface can potentially
> lead to out-of-bound violations if the SCMI driver misbehave.
> 
> Add an internal consistency check before any such domains descriptors
> accesses.
> 
> [Fix]
> 
> Noble:	not affected
> Jammy:	released
> Focal:	Clean cherry-pick from linux-5.4.y
> Bionic:	not affected
> Xenial:	not affected
> Trusty:	not affected
> 
> [Test Case]
> 
> Compile and boot tested
> 
> [Where problems could occur]
> 
> This fix affects those who use the System Control and
> Management Interface (SCMI) Reset Protocol, an issue with 
> this fix would be visible via unexpected system behavior
> or a system crash.
> 
> Cristian Marussi (1):
>   firmware: arm_scmi: Harden accesses to the reset domains
> 
>  drivers/firmware/arm_scmi/reset.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> -- 
> 2.34.1
> 
> 
> -- 
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team

This fix is also in upstream stable update v5.4.277:
https://bugs.launchpad.net/bugs/2070179

Acked-by: Manuel Diewald <manuel.diewald at canonical.com>

-- 
 Manuel
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