CVE-2024-35974 block: fix q->blkg_list corruption during disk rebind

In the Linux kernel, the following vulnerability has been resolved: block: fix q-blkglist corruption during disk rebind Multiple gendisk instances can allocated/added for single request queue in case of disk rebind. blkg may still stay in q-blkglist when calling blkcginitdisk for rebind, then...

CVE-2024-35974

CVE-2024-35974 affects the Linux kernel block subsystem. The vulnerability arises from a q->blkg_list corruption introduced when multiple gendisk instances are allocated for a single request queue during disk rebind, allowing a blkg to linger in q->blkg_list during blkcg_init_disk() and thu...