EUVD-2026-26365

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: fix double free via VMA splitting privcmdvmops defines .close privcmdclose, but neither .maysplit nor .open. When userspace does a partial munmap on a privcmd mapping, the kernel splits the VMA via splitvma. Since...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: perf/core: Prevents VMA splitting of buffer mappings. The perfmmap code is careful to map the user page using mmap along with the ringbuffer and the auxiliary buffer, when the event supports this. Once the first mapping is...

CVE-2025-38563: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: perf/core: Prevent VMA split of buffer mappings The perf mmap code is careful about mmap'ing the user page with the ringbuffer and additionally the auxiliary buffer, when the event supports it. Once the first mapping is...