CVE-2026-52963: ALSA: usb-audio: Bound MIDI endpoint descriptor scans
Published Jun 24, 2026
·Updated
ALSA: usb-audio: Bound MIDI endpoint descriptor scans
Affected Software
17 affected componentsFixes available
Linux ALSA snd-usb-audio (snd_usbmidi)
Microsoft azl3 kernel 6.6.139.1-1<6.6.143.1-1
6.6.143.1-1
Linux Linux kernel>=4.4.238<4.5
Linux Linux kernel>=4.9.238<4.10
Linux Linux kernel>=4.14.200<4.15
Linux Linux kernel>=4.19.149<4.20
Linux Linux kernel>=5.4.69<5.5
Linux Linux kernel>=5.7<5.10.258
Linux Linux kernel>=5.11<5.15.209
Linux Linux kernel>=5.16<6.1.175
Linux Linux kernel>=6.2<6.6.141
Linux Linux kernel>=6.7<6.12.91
Linux Linux kernel>=6.13<6.18.33
Linux Linux kernel>=6.19<7.0.10
Linux Linux kernel=7.1-rc1
Linux Linux kernel=7.1-rc2
Linux Linux kernel=7.1-rc3
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 6.6.143.1-1
Event History
Jun 24, 2026
CVE Published
via MITRE·04:28 PM
Data Sourced
via MITRE·04:28 PM
Description
Data Sourced
via NVD·05:17 PM
RemedyDescriptionSeverityAffected Software
Jun 27, 2026
Data Sourced
via Microsoft·08:13 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-52963?
CVE-2026-52963 has a risk score of 27, indicating it may pose a moderate threat to systems.
2
What software is affected by CVE-2026-52963?
CVE-2026-52963 affects the Linux ALSA snd-usb-audio component, specifically the snd_usbmidi functionality.
3
How does CVE-2026-52963 affect systems?
CVE-2026-52963 can lead to improper validation of MIDI endpoint descriptors, potentially allowing for exploitation of the vulnerability.
4
How do I fix CVE-2026-52963?
To mitigate CVE-2026-52963, update the Linux kernel to the latest version that includes the security patch.
5
When was CVE-2026-52963 published?
CVE-2026-52963 was published on June 24, 2026.