CVE-2023-53751

critical

Description

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname TCP_Server_Info::hostname may be updated once or many times during reconnect, so protect its access outside reconnect path as well and then prevent any potential use-after-free bugs.

References

https://git.kernel.org/stable/c/c511954bf142fe1995aec3c739a9f1a76990283a

https://git.kernel.org/stable/c/90c49fce1c43e1cc152695e20363ff5087897c09

https://git.kernel.org/stable/c/64d62ac6d6514cba1305bd08e271ec1843bdd612

https://git.kernel.org/stable/c/0b08c4c499200be67d54c439d56e5ea866869945

Details

Source: Mitre, NVD

Published: 2025-12-08

Updated: 2026-08-04

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: 0.00018