CVE-2026-43378
In the Linux kernel, the following vulnerability has been resolved: smb: server: fix use-after-free in smb2_open() The opinfo pointer obtained via rcu_dereference(fp->f_opinfo) is dereferenced after rcu_read_unlock(), creating a use-after-free window.
- Published May 8, 2026
- CVSS 7.8 high
- 0.4% chance of exploitation in the next 30 days (EPSS)
- A fix is available