In the Linux kernel, the following vulnerability has been resolved:

KVM: s390: vsie: Add missing radix_tree_preload() in _gaccess_shadow_fault()

Add missing radix_tree_preload() in _gaccess_shadow_fault() to
guarantee forward progress. The core of _gaccess_shadow_fault() has
been split into ___gaccess_shadow_fault() in order to simplify locking.