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Vulnerability record · CVE-2023-53751 · published 8 December 2025

CVE-2023-53751: In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential use-after-free bugs i…

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.

9.8 CVSS 3.1 Critical EPSS 0.42% · top 66.8% Deferred
9.8CVSS 3.1 base score
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
4 Aug 2026Last modified by NVD

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.

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

References

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Source: NIST National Vulnerability Database (record CVE-2023-53751), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.