CVE-2026-68340: hwmon: occ: validate poll response sensor blocks
Published Aug 10, 2026
·Updated
hwmon: occ: validate poll response sensor blocks
Affected Software
2 affected componentsFixes available
Linux Linux kernel
Microsoft azl3 kernel 6.6.143.1-1<6.6.150.1-1
6.6.150.1-1
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 6.6.150.1-1
Event History
Aug 10, 2026
CVE Published
via MITRE·12:03 PM
Data Sourced
via MITRE·12:03 PM
DescriptionSeverity
Data Sourced
via NVD·01:20 PM
DescriptionSeverity
Aug 11, 2026
Data Sourced
via Microsoft·08:15 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:15 AM
Affected Software
Updated
via Microsoft·08:15 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2026-68340?
CVE-2026-68340 has been assigned a risk score of 34.
2
What is the nature of the vulnerability in CVE-2026-68340?
CVE-2026-68340 involves an issue in the Linux kernel where the OCC poll response parser improperly handles sensor data blocks.
3
How do I fix CVE-2026-68340?
To remediate CVE-2026-68340, update your Linux kernel to the latest stable version that includes the security fix.
4
Which component is affected by CVE-2026-68340?
CVE-2026-68340 affects the hwmon (hardware monitoring) subsystem of the Linux kernel.
5
Is there a workaround for CVE-2026-68340?
Currently, there are no known workarounds for CVE-2026-68340; updating is the recommended solution.