CVE-2024-58072

/// Technical description

In the Linux kernel, the following vulnerability has been resolved:

wifi: rtlwifi: remove unused check_buddy_priv

Commit 2461c7d60f9f ("rtlwifi: Update header file") introduced a global

list of private data structures.

Later on, commit 26634c4b1868 ("rtlwifi Modify existing bits to match

vendor version 2013.02.07") started adding the private data to that list at

probe time and added a hook, check_buddy_priv to find the private data from

a similar device.

However, that function was never used.

Besides, though there is a lock for that list, it is never used. And when

the probe fails, the private data is never removed from the list. This

would cause a second probe to access freed memory.

Remove the unused hook, structures and members, which will prevent the

potential race condition on the list and its corruption during a second

probe when probe fails.

/// Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

/// References