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CVE-2022-49498

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Check for null pointer of pointer substream before dereferencing it Pointer substream is being dereferenced on the a…

Published Feb 26, 2025CWE-476EPSS 0.27%

Overview

CVE-2022-49498 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:

ALSA: pcm: Check for null pointer of pointer substream before dereferencing it

Pointer substream is being dereferenced on the assignment of pointer card

before substream is being null checked with the macro PCM_RUNTIME_CHECK.

Although PCM_RUNTIME_CHECK calls BUG_ON, it still is useful to perform the

the pointer check before card is assigned.

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/011b559be832194f992f73d6c0d5485f5925a10bRefgit.kernel.org/stable/c/1f2e28857be1e5c7db39bbc221332215fc5467e3Refgit.kernel.org/stable/c/7784d22f81a29df2ec57ca90d54f93a35cbcd1a2Refgit.kernel.org/stable/c/b2421a196cb0911ea95aec1050a0b830464c8fa6Refgit.kernel.org/stable/c/b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123Refgit.kernel.org/stable/c/f2c68c52898f623fe84518da4606538d193b0cca

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49498?

CVE-2022-49498 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-2022-49498?

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-2022-49498?

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-2022-49498?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49498 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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