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CVE-2022-49496

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko If the driver support subdev mode, the parameter "de…

Published Feb 26, 2025CWE-667EPSS 0.17%

Overview

CVE-2022-49496 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:

media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko

If the driver support subdev mode, the parameter "dev->pm.dev" will be

NULL in mtk_vcodec_dec_remove. Kernel will crash when try to rmmod

mtk-vcodec-dec.ko.

[ 4380.702726] pc : do_raw_spin_trylock+0x4/0x80

[ 4380.707075] lr : _raw_spin_lock_irq+0x90/0x14c

[ 4380.711509] sp : ffff80000819bc10

[ 4380.714811] x29: ffff80000819bc10 x28: ffff3600c03e4000 x27: 0000000000000000

[ 4380.721934] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000

[ 4380.729057] x23: ffff3600c0f34930 x22: ffffd5e923549000 x21: 0000000000000220

[ 4380.736179] x20: 0000000000000208 x19: ffffd5e9213e8ebc x18: 0000000000000020

[ 4380.743298] x17: 0000002000000000 x16: ffffd5e9213e8e90 x15: 696c346f65646976

[ 4380.750420] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000040

[ 4380.757542] x11: 0000000000000000 x10: 0000000000000000 x9 : 00000000000

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.

Frequently asked questions

What is CVE-2022-49496?

CVE-2022-49496 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-2022-49496?

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-2022-49496?

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-2022-49496?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49496 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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