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CVE-2022-49471

8.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: rtw89: cfo: check mac_id to avoid out-of-bounds Somehow, hardware reports incorrect mac_id and pollute memory.

Published Feb 26, 2025CWE-129EPSS 0.32%

Overview

CVE-2022-49471 is a high-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

rtw89: cfo: check mac_id to avoid out-of-bounds

Somehow, hardware reports incorrect mac_id and pollute memory. Check index

before we access the array.

UBSAN: array-index-out-of-bounds in rtw89/phy.c:2517:23

index 188 is out of range for type 's32 [64]'

CPU: 1 PID: 51550 Comm: irq/35-rtw89_pc Tainted: G OE

Call Trace:

<IRQ>

show_stack+0x52/0x58

dump_stack_lvl+0x4c/0x63

dump_stack+0x10/0x12

ubsan_epilogue+0x9/0x45

__ubsan_handle_out_of_bounds.cold+0x44/0x49

? __alloc_skb+0x92/0x1d0

rtw89_phy_cfo_parse+0x44/0x7f [rtw89_core]

rtw89_core_rx+0x261/0x871 [rtw89_core]

? __alloc_skb+0xee/0x1d0

rtw89_pci_napi_poll+0x3fa/0x4ea [rtw89_pci]

__napi_poll+0x33/0x1a0

net_rx_action+0x126/0x260

? __queue_work+0x217/0x4c0

__do_softirq+0xd9/0x315

? disable_irq_nosync+0x10/0x10

do_softirq.part.0+0x6d/0x90

</IRQ>

<TASK>

__local_bh_enable_ip+0x62/0x70

rtw89_pc

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/03ed236480aeec8c2fd327a1ea6d711364c495e3Refgit.kernel.org/stable/c/97df85871a5b187609d30fca6d85b912d9e02f29Refgit.kernel.org/stable/c/c32fafe68298bb599e825c298e1d0ba30186f0a5

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49471?

CVE-2022-49471 is a high-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2022-49471?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-49471?

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-2022-49471?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49471 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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