CVE-2022-48826

kernel: drm/vc4: Fix deadlock on DSI device attach error

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · July 16, 2024

Updated · February 2, 2026

Description

The Linux kernel vulnerability in drm/vc4 caused a deadlock during DSI device attachment when an error occurred, such as in a probe retry. This happened because the host device's lock was held while attempting to unregister the host, leading to a system freeze and a non-functional DSI display.

Statement

Red Hat Enterprise Linux is not vulnerable to this CVE, as it does not affect the versions or configurations of the Linux kernel used in its distributions.

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-833 · Deadlock