ACK: [SRU][J][PATCH 0/1] CVE-2024-56538

[Philip Cox]

Once the type Tim pointed out is fixed, this is

     Acked-by: Philip Cox <philip.cox at canonical.com>

On 2025-11-17 2:41 p.m., Alice C. Munduruca wrote:
> [ Impact ]
>
> It is possible for the zynqmp gpu drm driver to handle the
> `drm_device` in such a way where usespace accesses can lead to UAFs.
> To mitigate this error path, we should unplug the device alongside
> freeing it.
>
> [ Fix ]
>
> jammy: backported from upstream commit.
>
> [ Tests ]
>
> Compile and boot tested. (+stress-ng cpu,iomix)
>
> [ Where problems could occur ]
>
> This is essentially a one line cherry pick (simply in a different
> location than the upstream patch) and so the risk of regression
> is very low, especially given the limited scope of changes. (just
> zynqmp hardware)
>
>
> Sean Anderson (1):
>    drm: zynqmp_kms: Unplug DRM device before removal
>
>   drivers/gpu/drm/xlnx/zynqmp_dpsub.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>