CVE-2023-53751

CriticalCVSS 9.8/10Last modified Aug 4, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

No affected versions have been published.

Timeline

Published
Dec 8, 2025
Last modified
Aug 4, 2026
NVD status
Deferred

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CVE-2023-53751: Critical severity, CVSS 9.8 | Vulnix