EUVD-2023-60338

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: dropping parent refcount after pdfreefn is done Some cgroup policies will access parent pd through child pd even after pdofflinefn is done. If pdfreefn for parent is called before child, then UAF can be triggered. Hen...

The vulnerability of the blkcg_deactivate_policy() function in the block/blk-cgroup.c module, which supports the block-level kernel in the Linux operating system, allows a malicious actor to trigger a service failure.

The vulnerability of the blkcgdeactivatepolicy function in the block/blk-cgroup.c module, which supports the block-level kernel in Linux, relates to the reutilization of previously released memory. Exploiting this vulnerability could allow an attacker to cause service failures...