CVEvulnerability

CVE-2026-45972

9.8 CRITICAL Published 2026-05-27 Modified 2026-10-19 Official page ↗
Status
Modified
Published
2026-05-27
Last modified
2026-10-19
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-416, CWE-825

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.

Affected configurations

• linux linux kernel (>= 6.1.163 < 6.1.165) • linux linux kernel (>= 6.6.124 < 6.6.128) • linux linux kernel (>= 6.12.70 < 6.12.75) • linux linux kernel (>= 6.18.10 < 6.18.14) • linux linux kernel (>= 6.19.1 < 6.19.4) • linux linux kernel 6.19

Related

Weakness · CWE (2)

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

References