CVE-2026-46330

A flaw was found in the Linux kernel's TCP User-Level Protocol ULP support for SMC. This vulnerability arises when an active TCP socket is converted into an SMC socket, as the implementation attempts to modify core Virtual File System VFS structures in-place. This action violates fundamental VFS...

CVE-2026-46330

The CVE describes a Linux kernel design flaw in the net/smc TCP ULP support that was reverted and resolved. The issue arose from attempting to convert an active TCP socket into an SMC socket by in-place modifications to the underlying file structures (struct file, dentry, inode), which violates V...