APPLIED: [SRU][J][PATCH 0/1] CVE-2024-53051

[Mehmet Basaran]

Applied to jammy:linux master-next branch. Thanks.

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Bethany Jamison <bethany.jamison at canonical.com> writes:

> [Impact]
>
> Sometimes in drm/i915/hdcp during a hotplug scenario or suspend/resume
> scenario the encoder is not initialized. This can lead to a kernel null
> pointer dereference. To fix this vulnerability a check is added to
> intel_hdcp_get_capability to verify that the encoder has been
> initialized and is accessible.
>
> [Fix]
>
> Jammy:  Clean cherry-pick from fix commit
> Focal:  submitted to esm ML
>
> [Test Case]
>
> compile tested
>
> [Where problems could occur]
>
> This fix affects those who use the Intel i915 HD graphics driver, an
> issue with this fix would be visible to the user via unexpected system
> behavior or a crash.
>
> Suraj Kandpal (1):
>   drm/i915/hdcp: Add encoder check in intel_hdcp_get_capability
>
>  drivers/gpu/drm/i915/display/intel_hdcp.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
>
> --
> 2.43.0
>
>
> -- 
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team
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