CVE-2023-53751
Unknown Unknown - Not Provided

BaseFortify

Publication date: 2025-12-08

Last updated on: 2025-12-08

Assigner: kernel.org

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.

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Meta Information

Published
2025-12-08
Last Modified
2025-12-08
Generated
2026-07-06
AI Q&A
2025-12-08
EPSS Evaluated
2026-07-05
NVD
CVE-2023-53751

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *

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Exploitability

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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is a potential use-after-free bug in the Linux kernel's CIFS implementation, specifically related to the TCP_Server_Info::hostname field. The hostname may be updated multiple times during reconnects, and without proper protection, accessing it outside the reconnect path could lead to use-after-free errors.

Impact Analysis

The use-after-free bug could potentially lead to system instability, crashes, or exploitation by attackers to execute arbitrary code or cause denial of service, depending on how the vulnerable code is triggered.

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