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CVE-2022-49146

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: virtio: use virtio_device_ready() in virtio_device_restore() After waking up a suspended VM, the kernel prints the following tr…

Published Feb 26, 2025EPSS 0.26%

Overview

CVE-2022-49146 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:

virtio: use virtio_device_ready() in virtio_device_restore()

After waking up a suspended VM, the kernel prints the following trace

for virtio drivers which do not directly call virtio_device_ready() in

the .restore:

PM: suspend exit

irq 22: nobody cared (try booting with the "irqpoll" option)

Call Trace:

<IRQ>

dump_stack_lvl+0x38/0x49

dump_stack+0x10/0x12

__report_bad_irq+0x3a/0xaf

note_interrupt.cold+0xb/0x60

handle_irq_event+0x71/0x80

handle_fasteoi_irq+0x95/0x1e0

__common_interrupt+0x6b/0x110

common_interrupt+0x63/0xe0

asm_common_interrupt+0x1e/0x40

? __do_softirq+0x75/0x2f3

irq_exit_rcu+0x93/0xe0

sysvec_apic_timer_interrupt+0xac/0xd0

</IRQ>

<TASK>

asm_sysvec_apic_timer_interrupt+0x12/0x20

arch_cpu_idle+0x12/0x20

default_idle_call+0x39/0xf0

do_idle+0x1b5/0x210

cpu_startup_entry+0x20/0x30

start_seco

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/4ae431113179d72c668b61df320af0c06d1aa5c5Refgit.kernel.org/stable/c/8d65bc9a5be3f23c5e2ab36b6b8ef40095165b18Refgit.kernel.org/stable/c/94e9f5da39ee5f8ea31be1585de31c54f10dedce

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49146?

CVE-2022-49146 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-2022-49146?

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-2022-49146?

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-2022-49146?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49146 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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