PT-2026-43671

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the arena vm close function during a fork operation. The arena vm open function increments the vml-mmap count but fails to register the child Virtual...

EUVD-2026-28676

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix use-after-free race in VM acquire Replace non-atomic vm-processinfo assignment with cmpxchg to prevent race when parent/child processes sharing a drmfile both try to acquire the same VM after fork. cherry picked...

kernel: Fork of large process causes memory corruption

It was reported that on s390x, the fork of a process with four page table levels will cause memory corruption with a variety of symptoms. All processes are created with three level page table and a limit of 4TB for the address space. If the parent process has four page table levels with a limit o...