Bug 2315170 (CVE-2024-46818)

Summary: CVE-2024-46818 kernel: drm/amd/display: Check gpio_id before used as array index
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
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Hardware: All   
OS: Linux   
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Bug Depends On: 2315299    
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Description OSIDB Bzimport 2024-09-27 13:21:24 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Check gpio_id before used as array index

[WHY & HOW]
GPIO_ID_UNKNOWN (-1) is not a valid value for array index and therefore
should be checked in advance.

This fixes 5 OVERRUN issues reported by Coverity.
Comment 1 Robb Gatica 2024-09-27 15:28:21 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024092712-CVE-2024-46818-8d41@gregkh/T