1 article
CVE-2026-46243 exploits a flaw in the Linux kernel CIFS client subsystem reachable from local shell access. But the broader CIFS/SMB attack surface extends beyond this single CVE — SMB signing enforcement, unauthenticated share access, and uncontrolled NTLM relay paths are network-level risks that compound the impact of any CIFS kernel vulnerability. This article covers network hardening for Linux environments that use SMB/CIFS mounts.