CVE-2024-49931

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.6.58

Description: The issue is related to an array out-of-bounds access in the SoC stats of the ath12k wifi driver. The ath12k soc dp stats::hal reo error array is defined with a maximum size of DP REO DST RING MAX. However, the ath12k dp rx process() function accesses this array using the REO destination SRNG ring ID, which is incorrect. This leads to out-of-bounds array access. The fix involves modifying the ath12k dp rx process() function to use the normal ring ID directly instead of the SRNG ring ID.

Recommendations: To resolve the issue, update the Linux kernel to version 6.6.58 or later. As a temporary workaround, consider modifying the ath12k dp rx process() function to use the normal ring ID directly instead of the SRNG ring ID to avoid out-of-bounds array access. Restrict access to the vulnerable ath12k soc dp stats::hal reo error array to minimize the risk of exploitation.