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CVE-2022-49483

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: drm/msm/disp/dpu1: avoid clearing hw interrupts if hw_intr is null during drm uninit If edp modeset init is failed due to panel…

Published Feb 26, 2025CWE-476EPSS 0.26%

Overview

CVE-2022-49483 is a medium-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

drm/msm/disp/dpu1: avoid clearing hw interrupts if hw_intr is null during drm uninit

If edp modeset init is failed due to panel being not ready and

probe defers during drm bind, avoid clearing irqs and dereference

hw_intr when hw_intr is null.

BUG: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000

Call trace:

dpu_core_irq_uninstall+0x50/0xb0

dpu_irq_uninstall+0x18/0x24

msm_drm_uninit+0xd8/0x16c

msm_drm_bind+0x580/0x5fc

try_to_bring_up_master+0x168/0x1c0

__component_add+0xb4/0x178

component_add+0x1c/0x28

dp_display_probe+0x38c/0x400

platform_probe+0xb0/0xd0

really_probe+0xcc/0x2c8

__driver_probe_device+0xbc/0xe8

driver_probe_device+0x48/0xf0

__device_attach_driver+0xa0/0xc8

bus_for_each_drv+0x8c/0xd8

__device_attach+0xc4/0x150

device_initial_probe+0x1c/0x28

Changes in V2:

- Update commit message and coreect fixes tag.

Patchwork: https://patchwork.freedesktop.org/p

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/01013ba9bbddc62f7d011163cebfd7ed06bb698bRefgit.kernel.org/stable/c/a7ca30c3a8b2e8bda65f2b922d382ac056be8aa4Refgit.kernel.org/stable/c/a800701429313149afde18d98821554fbfcb3164

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49483?

CVE-2022-49483 is a medium-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49483?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-49483?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-49483?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49483 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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