Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xfrm: moved the policybydst RCU synchronization from per-netns.exit to .preexit. The docstring for struct pernetoperations in include/net/netnamespace.h explicitly warns against blocking RCU primitives in .exit handlers: Exit...

CVE-2026-43091: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: xfrm: Wait for RCU readers during policy netns exit xfrmpolicyfini frees the policybydst hash tables after flushing the policy work items and deleting all policies, but it does not wait for concurrent RCU readers to leave their...