Linux block-level kernel Heap Buffer Overflow DoS

The vulnerability of the blkcgmaybethrottlecurrent function in the block/blk-cgroup.c module, which supports the block-level kernel in the Linux operating system, relates to the failure to release resources after their useful lifespan has expired. Exploiting this vulnerability could allow an...

CVE-2026-53126: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix disk reference leak in blkcgmaybethrottlecurrent Add the missing putdisk on the error path in blkcgmaybethrottlecurrent. When blkcg lookup, blkg lookup, or blkgtryget fails, the function jumps to the out label whi...