CVE-2026-64384
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix change notify replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_notify_init() fails before the next send, cleanup retains the previous buffer type and frees that response again. Reset response bookkeeping before each attempt to prevent the stale free.
- Published Jul 25, 2026
- CVSS 9.8 critical
- 0.5% chance of exploitation in the next 30 days (EPSS)
- A fix is available
Affected software
In the news
- Multiple vulnerabilities in the Ubuntu Linux kernel CERT-FR ·
- Multiple vulnerabilities in the SUSE Linux kernel CERT-FR ·
- Multiple vulnerabilities in the Ubuntu Linux kernel CERT-FR ·
- Multiple vulnerabilities in the Ubuntu Linux kernel CERT-FR ·
- Multiple vulnerabilities in the SUSE Linux kernel CERT-FR ·