Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2022-49883

7.1 · HIGH

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: smm: number of GPRs in the SMRAM image depends on the image format On 64 bit host, if the guest doesn't have X86_FEAT…

Published May 1, 2025CWE-125EPSS 0.19%

Overview

CVE-2022-49883 is a high-severity vulnerability. It was published on May 1, 2025 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. 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:

KVM: x86: smm: number of GPRs in the SMRAM image depends on the image format

On 64 bit host, if the guest doesn't have X86_FEATURE_LM, KVM will

access 16 gprs to 32-bit smram image, causing out-ouf-bound ram

access.

On 32 bit host, the rsm_load_state_64/enter_smm_save_state_64

is compiled out, thus access overflow can't happen.

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/696db303e54f7352623d9f640e6c51d8fa9d5588Refgit.kernel.org/stable/c/a7ebfbea0f52550d7cdf12c38f3f5eaa7b2b6494

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49883?

CVE-2022-49883 is a high-severity vulnerability. It was published on May 1, 2025 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2022-49883?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-49883?

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-2022-49883?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49883 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.

Related HIGH CVEs from 2022

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999