CVE-2021-47029
5.5 · MEDIUMIn the Linux kernel, the following vulnerability has been resolved: mt76: connac: fix kernel warning adding monitor interface Fix the following kernel warning adding a monitor interface in mt76_c…
Overview
CVE-2021-47029 is a medium-severity vulnerability. It was published on February 28, 2024 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:
mt76: connac: fix kernel warning adding monitor interface
Fix the following kernel warning adding a monitor interface in
mt76_connac_mcu_uni_add_dev routine.
[ 507.984882] ------------[ cut here ]------------
[ 507.989515] WARNING: CPU: 1 PID: 3017 at mt76_connac_mcu_uni_add_dev+0x178/0x190 [mt76_connac_lib]
[ 508.059379] CPU: 1 PID: 3017 Comm: ifconfig Not tainted 5.4.98 #0
[ 508.065461] Hardware name: MT7622_MT7531 RFB (DT)
[ 508.070156] pstate: 80000005 (Nzcv daif -PAN -UAO)
[ 508.074939] pc : mt76_connac_mcu_uni_add_dev+0x178/0x190 [mt76_connac_lib]
[ 508.081806] lr : mt7921_eeprom_init+0x1288/0x1cb8 [mt7921e]
[ 508.087367] sp : ffffffc013a33930
[ 508.090671] x29: ffffffc013a33930 x28: ffffff801e628ac0
[ 508.095973] x27: ffffff801c7f1200 x26: ffffff801c7eb008
[ 508.101275] x25: ffffff801c7eaef0 x24: ffffff801d025610
[ 508.106577] x23: ffffff801d022990 x22: ffffff801d024de8
[ 508.111879] x21: ffffff8
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.
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Frequently asked questions
What is CVE-2021-47029?
CVE-2021-47029 is a medium-severity vulnerability. It was published on February 28, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2021-47029?
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-2021-47029?
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-2021-47029?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-47029 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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