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CVE-2022-49118

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: scsi: hisi_sas: Free irq vectors in order for v3 HW If the driver probe fails to request the channel IRQ or fatal IRQ, the driv…

Published Feb 26, 2025EPSS 0.27%

Overview

CVE-2022-49118 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:

scsi: hisi_sas: Free irq vectors in order for v3 HW

If the driver probe fails to request the channel IRQ or fatal IRQ, the

driver will free the IRQ vectors before freeing the IRQs in free_irq(),

and this will cause a kernel BUG like this:

------------[ cut here ]------------

kernel BUG at drivers/pci/msi.c:369!

Internal error: Oops - BUG: 0 [#1] PREEMPT SMP

Call trace:

free_msi_irqs+0x118/0x13c

pci_disable_msi+0xfc/0x120

pci_free_irq_vectors+0x24/0x3c

hisi_sas_v3_probe+0x360/0x9d0 [hisi_sas_v3_hw]

local_pci_probe+0x44/0xb0

work_for_cpu_fn+0x20/0x34

process_one_work+0x1d0/0x340

worker_thread+0x2e0/0x460

kthread+0x180/0x190

ret_from_fork+0x10/0x20

---[ end trace b88990335b610c11 ]---

So we use devm_add_action() to control the order in which we free the

vectors.

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/224903cc60d045576393c3b16907742f23e6c740Refgit.kernel.org/stable/c/554fb72ee34f4732c7f694f56c3c6e67790352a0Refgit.kernel.org/stable/c/8b6eab9d683bae7f88dc894b8c851f866032301cRefgit.kernel.org/stable/c/b4cc04fa8f1fc3816c8494d77abab3f72b9d2292Refgit.kernel.org/stable/c/f05a0d8de2ea49af36821a20b0b501e20ced937e

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49118?

CVE-2022-49118 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-2022-49118?

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-2022-49118?

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-2022-49118?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49118 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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