kernel: blk_iocost: fix more out of bound shifts

A flaw was found in the Linux kernel's blkiocost subsystem. This vulnerability, caused by out-of-bounds shifts within the iocforgivedebts function, can lead to undefined behavior. A local attacker could exploit this to cause a Denial of Service DoS, making the system unavailable...

PT-2024-33775

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.6.58 Description: A vulnerability has been resolved in the Linux kernel, specifically in the blk iocost component, where out of bound shifts were caught by UBSAN in the ioc forgive debts function. The issue...