CVE-2026-93192 Linux CVE debrief

Who should care

Linux kernel developers and administrators responsible for maintaining and securing Linux-based systems, particularly those using the drm/v3d component, should apply kernel updates to ensure security and stability. This includes developers and administrators working on Linux-based systems used in data centers, cloud computing environments, and other high-performance computing applications. Additionally, security teams and vulnerability management teams

Why it matters

A vulnerability in the Linux kernel's drm/v3d component can lead to system instability. Linux kernel developers and administrators should apply kernel updates to ensure security and stability.

• Potential system instability due to dangling pointer
• Need for kernel updates to ensure security and stability
• Monitoring system logs for suspicious activity

Technical summary

The Linux kernel's drm/v3d component has a vulnerability that can lead to a dangling pointer when v3d_fence_create() fails. This issue has been resolved through kernel patches that add a failure path in all run_job() callbacks to clear the active job before returning NULL. The patches also include additional checks and validation to prevent similar issues in the future. The vulnerability could be exploited by an attacker to cause system instability or potentially execute arbitrary code. The drm/v3d component is used in various Linux-based systems, including those used in data centers, cloud computing environments, and other high-performance computing applications.

Defensive priority

Apply kernel updates to ensure system stability and security.

Recommended defensive actions

• Apply kernel updates to ensure system stability and security
• Review system configurations for potential exposure
• Monitor system logs for suspicious activity
• 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.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Evidence notes

The CVE record and associated kernel patches provide details on the vulnerability and its resolution. The NVD entry is currently not provided. The Linux kernel patches address the vulnerability by adding a failure path in all run_job() callbacks that clears the active job before returning NULL. This ensures that the active job is properly cleaned up, preventing a dangling pointer. The patches also include additional checks and validation to prevent similar issues in the future. The CVE record and kernel patches are available from the

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.