Vulnerabilities of Linux operating system kernel components, such as block and bfq, allow attackers to elevate their privileges within the system.

The vulnerability of the bfqinitrq function in Linux kernel components related to block devices and the bfq subsystem is associated with errors that occur after deallocation. Exploiting this vulnerability can allow an attacker to gain elevated privileges within the system...

PT-2024-35629 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.12.0 Description: A slab-use-after-free issue has been identified in the Linux kernel. The issue arises from the association of the bic with sync bfqq and the inability to put bfq release process ref into bfq...

kernel: bfq: Update cgroup information before merging bio

In the Linux kernel, the following vulnerability has been resolved: bfq: Update cgroup information before merging bio When the process is migrated to a different cgroup or in case of writeback just starts submitting bios associated with a different cgroup bfqmergebio can operate with stale cgroup...