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CVE-2022-49154

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: fix panic on out-of-bounds guest IRQ As guest_irq is coming from KVM_IRQFD API call, it may trigger crash in svm_upda…

Published Feb 26, 2025CWE-617EPSS 0.28%

Overview

CVE-2022-49154 is a high-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, 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: SVM: fix panic on out-of-bounds guest IRQ

As guest_irq is coming from KVM_IRQFD API call, it may trigger

crash in svm_update_pi_irte() due to out-of-bounds:

crash> bt

PID: 22218 TASK: ffff951a6ad74980 CPU: 73 COMMAND: "vcpu8"

#0 [ffffb1ba6707fa40] machine_kexec at ffffffff8565b397

#1 [ffffb1ba6707fa90] __crash_kexec at ffffffff85788a6d

#2 [ffffb1ba6707fb58] crash_kexec at ffffffff8578995d

#3 [ffffb1ba6707fb70] oops_end at ffffffff85623c0d

#4 [ffffb1ba6707fb90] no_context at ffffffff856692c9

#5 [ffffb1ba6707fbf8] exc_page_fault at ffffffff85f95b51

#6 [ffffb1ba6707fc50] asm_exc_page_fault at ffffffff86000ace

[exception RIP: svm_update_pi_irte+227]

RIP: ffffffffc0761b53 RSP: ffffb1ba6707fd08 RFLAGS: 00010086

RAX: ffffb1ba6707fd78 RBX: ffffb1ba66d91000 RCX: 0000000000000001

RDX: 00003c803f63f1c0 RSI: 000000000000019a RDI: ffffb1ba66db2ab8

RBP: 000000000000019a R8: 0000000000000

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/0fb470eb48892e131d10aa3be6915239e65758f3Refgit.kernel.org/stable/c/3fa2d747960521a646fc1aad7aea82e95e139a68Refgit.kernel.org/stable/c/a6ffdebfb6a9c2ffeed902b544b96fe67498210eRefgit.kernel.org/stable/c/a80ced6ea514000d34bf1239d47553de0d1ee89eRefgit.kernel.org/stable/c/e4d153d53d9648513481eb4ef8c212e7f1f8173d

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49154?

CVE-2022-49154 is a high-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2022-49154?

This vulnerability has a CVSS 3.1 base score of 7.8, 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-2022-49154?

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-2022-49154?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49154 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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