CVE-2023-52893

A vulnerability was found in the Linux kernel's gsmi.c firmware driver in the gsmi_get_variable() function where a NULL dereference of the attr variable is possible due to improper checks. This is caused by a previous commit which introduced the possibility for the get_variable() function to return attr=NULL. This vulnerability could potentially lead to system instability.

Red Hat Enterprise Linux is not impacted by this CVE, as the vulnerability in question does not affect the specific versions or configurations of the Linux kernel used in its distributions. This ensures that users of Red Hat Enterprise Linux are not exposed to the potential risks associated with this issue, and no further action or mitigation is necessary for systems running this operating system.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.