Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.7

Description The issue is related to an use-after-free bug in the mlx4 en try alloc resources() function. This bug was introduced in version v4.7 and is fixed in Linux Kernel version v5.15.7. The actual impact and attack plausibility of this bug have not yet been proven.

Recommendations For Linux Kernel versions prior to v5.15.7, update to version v5.15.7 or later to resolve the issue. As a temporary workaround, consider restricting access to the mlx4 en module until a patch is available.