CVE-2026-31761 Linux CVE debrief

Who should care

Users and administrators of Linux kernel versions 4.10 to 7.0 (including rc1 to rc6) should apply patches to prevent exploitation. Additionally, security teams and vulnerability management teams should review the affected scope and severity to ensure proper mitigation and remediation.

Technical summary

The vulnerability was found in the Linux kernel's iio: gyro: mpu3050 driver. The iio_device_register() function was not at the end of the probe function, which could lead to race conditions. The issue has been resolved by moving iio_device_register() to the end of the probe function and placing iio_device_unregister() accordingly. This change prevents potential race conditions and reduces the risk of exploitation.

Defensive priority

Apply patches immediately, as the vulnerability has a high CVSS score and is publicly known.

Recommended defensive actions

• Apply patches from Linux kernel stable versions
• Inventory and update affected Linux kernel versions
• Monitor for potential exploitation attempts
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-05-01T15:16:39.153Z and last modified on 2026-07-14T13:18:49.203Z. The NVD entry is currently Modified. Evidence is limited to public sources and may not reflect the full scope or impact of the vulnerability. Defenders should verify affected systems and apply patches or mitigations as needed.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.