Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-64136

In the Linux kernel, the following vulnerability has been resolved: smb: client: protect tc_count increment in smb2_find_smb_sess_tcon_unlocked() Commit 96c4af418586 ("cifs: Fix locking usage for tcon fields") refactored cifs code to change cifs_tcp_ses_lock for tc_lock around tc_count changes. There was missing lock around tc_count increment inside smb2_find_smb_sess_tcon_unlocked().
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 40.0%
CVSS Severity
CVSS v3 Score 9.8
Products affected by CVE-2026-64136


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