In the Linux kernel, the following vulnerability has been resolved: s390/boot: Avoid possible physmem_info segment corruption When physical memory for the kernel image is allocated it does not consider extra memory required for offsetting the image start to match it with the lower 20 bits of KASLR virtual base address. That might lead to kernel access beyond its memory range.
https://git.kernel.org/stable/c/d7fd2941ae9a67423d1c7bee985f240e4686634f
https://git.kernel.org/stable/c/a944cba5d57687b747023c3bc074fcf9c790f7df