CVE-2022-48798

kernel: s390/cio: verify the driver availability for path_event call

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · July 16, 2024

Updated · February 2, 2026

Description

A vulnerability was found in the Linux kernel's S390 driver, where the path_event function can lead to a kernel panic if no driver is attached to a device or if the driver does not implement the function. This occurs when an FCES path-event is triggered without verifying the driver's availability first. The impact of this vulnerability can result in unexpected system crashes, affecting overall system stability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-99 · Improper Control of Resource Identifiers ('Resource Injection')