CVE-2022-48918

Name of the Vulnerable Software and Affected Versions Linux kernel version 5.17.0-rc5

Description The vulnerability is related to the use of "debugfs=off" on the kernel command line, which causes the iwiwifi's mvm module to use an invalid/unchecked debugfs dir pointer, resulting in a kernel NULL pointer dereference. This can lead to a denial of service. The issue is resolved by checking the debugfs dir pointer for an error before using it.

Recommendations To resolve the issue, update the Linux kernel to a version that includes the fix for this vulnerability. Specifically, for Linux kernel version 5.17.0-rc5, apply the patch that checks the debugfs dir pointer for an error before using it. As a temporary workaround, consider disabling the use of "debugfs=off" on the kernel command line until a patched version is available.