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  1. CVEs
  2. CVE-2026-45972
  1. CVEs

CVE-2026-45972

critical
  • Information
  • CPEs
  • Plugins

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.

References

https://git.kernel.org/stable/c/ebbbc4bfad4cb355d17c671223d0814ee3ef4eda

https://git.kernel.org/stable/c/e66dcf7bb9c4df5582c82bc3582725abcbfbea73

https://git.kernel.org/stable/c/96e53bb3ee2f354cf6b4ab07bcc56e500f8b3f74

https://git.kernel.org/stable/c/7425453ea16dbc3bbb0f6cac4d60b537e5e4d151

https://git.kernel.org/stable/c/639deb962986ef2f5e2a6d5a600c66f922471e81

https://git.kernel.org/stable/c/4d339b219004869e96c4ce56b8891f83a38da4c0

Details

Source: Mitre, NVD

Published: 2026-05-27

Updated: 2026-05-30

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00024

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