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CVE-2022-49298

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8712: fix uninit-value in r871xu_drv_init() When 'tmpU1b' returns from r8712_read8(padapter, EE_9346CR) is 0, 'mac[…

Published Feb 26, 2025CWE-908EPSS 0.27%

Overview

CVE-2022-49298 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:

staging: rtl8712: fix uninit-value in r871xu_drv_init()

When 'tmpU1b' returns from r8712_read8(padapter, EE_9346CR) is 0,

'mac[6]' will not be initialized.

BUG: KMSAN: uninit-value in r871xu_drv_init+0x2d54/0x3070 drivers/staging/rtl8712/usb_intf.c:541

r871xu_drv_init+0x2d54/0x3070 drivers/staging/rtl8712/usb_intf.c:541

usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396

really_probe+0x653/0x14b0 drivers/base/dd.c:596

__driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752

driver_probe_device drivers/base/dd.c:782 [inline]

__device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899

bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427

__device_attach+0x593/0x8e0 drivers/base/dd.c:970

device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017

bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487

device_add+0x1fff/0x26e0 drivers/base/core.c:3405

usb_set_configuration+0x37e9/0x3ed0 drivers/usb/core/message.

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/0458e5428e5e959d201a40ffe71d762a79ecedc4Refgit.kernel.org/stable/c/0b7371a22489cbb2e8e826ca03fb5ce92afb04feRefgit.kernel.org/stable/c/277faa442fe0c59f418ac53f47a78e1266addd65Refgit.kernel.org/stable/c/52a0d88c328098b4e9fb8f2f3877fec0eff4104bRefgit.kernel.org/stable/c/70df04433fd351ba72bc635bd0b5fe443d9ac964Refgit.kernel.org/stable/c/76a964ad0ea8f2b10abd69a7532e174a28258283Refgit.kernel.org/stable/c/a6535d00a9d54ce1c2a8d86a85001ffb6844f9b2Refgit.kernel.org/stable/c/f36e754a1f0bafb9feeea63463de78080acb6de0Refgit.kernel.org/stable/c/ff727ab0b7d7a56b5ef281f12abd00c4b85894e9

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49298?

CVE-2022-49298 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-2022-49298?

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-2022-49298?

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-2022-49298?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49298 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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