CVE-2026-74455: can: peak_usb: validate uCAN receive record lengths
Published Aug 15, 2026
·Updated
can: peakusb: validate uCAN receive record lengths
Affected Software
2 affected componentsFixes available
Linux Linux kernel
Microsoft azl3 kernel 6.6.150.1-1<6.6.152.1-1
6.6.152.1-1
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 6.6.152.1-1
Event History
Aug 15, 2026
CVE Published
via MITRE·12:26 PM
Data Sourced
via MITRE·12:26 PM
Description
Data Sourced
via NVD·01:17 PM
Description
Aug 23, 2026
Data Sourced
via Microsoft·10:04 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-74455?
CVE-2026-74455 has a risk score of 34.
2
How do I fix CVE-2026-74455?
To fix CVE-2026-74455, update your Linux kernel to the patched version that addresses the vulnerability.
3
Who is affected by CVE-2026-74455?
Users of the Linux kernel that utilize the peak_usb CAN interface are potentially affected by CVE-2026-74455.
4
What impact does CVE-2026-74455 have?
CVE-2026-74455 can lead to denial of service or incorrect processing of CAN messages due to the lack of validation in uCAN records.
5
When was CVE-2026-74455 published?
CVE-2026-74455 was published on August 15, 2026.