CVE-2022-49257

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A NULL dereference issue in the watch queue set size() function can occur when the error cleanup code attempts to free buffer pages that were not allocated. This can lead to a null pointer dereference, resulting in a BUG: KASAN: null-ptr-deref error. The issue arises because the free page() function cannot handle a NULL pointer.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.