VULNERABILITY INTELLIGENCE

CVE-2026-45972

CVSS score9.8 CRITICAL
EPSS probability0.33%
CISA KEVNot currently listed
Published2026-05-27
Last modified2026-10-19
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF and double free in smb2_open_file() Zero out @err_iov and @err_buftype before retrying SMB2_open() to prevent an UAF bug if @data != NULL, otherwise a double free.

Weakness classification

  • CWE-416: Use After Free
  • CWE-825: Expired Pointer Dereference

Primary references