CVE-2026-43378

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A use-after-free issue exists in the SMB server component. The opinfo pointer, obtained through the rcu dereference(fp->f opinfo) function, is dereferenced after the rcu read unlock() function is called, creating a window for memory corruption.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.