CVE-2022-43589

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: 2022-11-28 · updated 2026-06-17
Weakness: CWE-476

Description

A null pointer dereference vulnerability exists in the handle_ioctl_8314C functionality of Callback technologies CBFS Filter 20.0.8317. A specially crafted I/O request packet (IRP) can lead to denial of service. An attacker can issue an ioctl to trigger this vulnerability.

Affected products

Callback technologies CBFS Filter: 20.0.8317

References

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1648
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1648

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