CVE-2022-50506: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: drbd: only clone bio if we have a backing device Commit c347a787e34cb drbd: set -bibdev in drbdreqnew moved a biosetdev call which has since been removed to "earlier", from drbdrequestprepare to drbdreqnew. The problem is that th...

CVE-2022-49811

In CVE-2022-49811, the Linux kernel’s DRBD subsystem is affected by a use-after-free in drbd_create_device(), caused when the drbd_destroy_connection() frees the underlying connection while it may still be referenced. The connected documents confirm the fix is to use the safe() iterator to preven...