Re: [PATCH] drm/amd/display: Check link_index before accessing dc->links[]

[Greg KH]

On Thu, Jan 23, 2025 at 04:08:22AM -0800, Shubham Pushpkar wrote:
> From: Alex Hung <alex.hung@xxxxxxx>
> 
> commit 8aa2864044b9d13e95fe224f32e808afbf79ecdf ("drm/amd/display:
> Check link_index before accessing dc->links[]")
> 
> [WHY & HOW]
> dc->links[] has max size of MAX_LINKS and NULL is return when trying to
> access with out-of-bound index.
> 
> This fixes 3 OVERRUN and 1 RESOURCE_LEAK issues reported by Coverity.
> 
> Fixes: CVE-2024-46813
> Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>
> Acked-by: Tom Chung <chiahsuan.chung@xxxxxxx>
> Signed-off-by: Alex Hung <alex.hung@xxxxxxx>
> Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx>
> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
> (cherry picked from commit 8aa2864044b9d13e95fe224f32e808afbf79ecdf)
> Signed-off-by: Shubham Pushpkar <spushpka@xxxxxxxxx>
> ---
>  drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c | 3 +++
>  1 file changed, 3 insertions(+)

What branch is this for?

thanks,

greg k-h