CVE-2026-46018: ALSA: usb-audio: stop parsing UAC2 rates at MAX_NR_RATES
Published May 27, 2026
·Updated
ALSA: usb-audio: stop parsing UAC2 rates at MAXNRRATES
Affected Software
10 affected componentsFixes available
Linux Linux kernel (ALSA usb-audio)
Linux Linux kernel>=3.0.81<3.1
Linux Linux kernel>=3.2.47<5.10.258
Linux Linux kernel>=5.11<5.15.209
Linux Linux kernel>=5.16<6.1.175
Linux Linux kernel>=6.2<6.6.140
Linux Linux kernel>=6.7<6.12.86
Linux Linux kernel>=6.13<6.18.27
Linux Linux kernel>=6.19<7.0.4
Microsoft azl3 kernel 6.6.139.1-1<6.6.141.1-1
6.6.141.1-1
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.6.141.1-1
Event History
May 27, 2026
CVE Published
via MITRE·12:56 PM
Data Sourced
via MITRE·12:56 PM
Description
Data Sourced
via NVD·02:17 PM
RemedyDescriptionSeverityAffected Software
May 28, 2026
Data Sourced
via Microsoft·08:05 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:05 AM
Affected Software
Updated
via Microsoft·08:05 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2026-46018?
CVE-2026-46018 has a medium severity rating of 5.5.
2
What type of systems are affected by CVE-2026-46018?
CVE-2026-46018 affects systems using the Linux Kernel, specifically the ALSA usb-audio.
3
How does the vulnerability in CVE-2026-46018 impact users?
CVE-2026-46018 can lead to potential denial of service due to incorrect parsing of UAC2 rates.
4
How do I fix CVE-2026-46018?
To fix CVE-2026-46018, update your Linux kernel to the latest version that contains the patch.
5
What is the description of CVE-2026-46018?
CVE-2026-46018 is a vulnerability in the Linux kernel that stops parsing UAC2 rates at MAX_NR_RATES.