The vulnerability of the get_pat_info() function in the arch/x86/mm/pat/memtype.c module of the Linux operating system’s x86 kernel allows a hacker to cause a service failure.

The vulnerability of the getpatinfo function in the arch/x86/mm/pat/memtype.c module of the Linux operating system’s x86 kernel involves exposing confidential information. Exploiting this vulnerability could allow an attacker to cause a service failure...

UBUNTU-CVE-2025-22090

In the Linux kernel, the following vulnerability has been resolved: x86/mm/pat: Fix VMPAT handling when fork fails in copypagerange If trackpfncopy fails, we already added the dst VMA to the maple tree. As fork fails, we'll cleanup the maple tree, and stumble over the dst VMA for which we neither...