CVE-2023-2872: FlexiHub IoControlCode fusbhub.sys 0x220088 null pointer dereference

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-05-24 · updated 2026-06-17
Weakness: CWE-476

Description

A vulnerability classified as problematic has been found in FlexiHub 5.5.14691.0. This affects the function 0x220088 in the library fusbhub.sys of the component IoControlCode Handler. The manipulation leads to null pointer dereference. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-229851. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

FlexiHub: 5.5.14691.0

References

https://drive.google.com/file/d/1h-7fnmb31bkEW4FoLNDlneftDqS4TQHT/view?usp=sharing
https://github.com/zeze-zeze/WindowsKernelVuln/blob/master/CVE-2023-2872
https://vuldb.com/?ctiid.229851
https://vuldb.com/?id.229851
https://drive.google.com/file/d/1h-7fnmb31bkEW4FoLNDlneftDqS4TQHT/view?usp=sharing
https://github.com/zeze-zeze/WindowsKernelVuln/blob/master/CVE-2023-2872
https://vuldb.com/?ctiid.229851
https://vuldb.com/?id.229851

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