CVE-2026-98566 Linux CVE debrief

Who should care

Linux kernel maintainers, Linux distribution maintainers, and users of Linux kernel drm/imagination component should assess and apply patches for this vulnerability. They should also verify Linux kernel drm/imagination component patching and updates, monitor system logs for potential security issues related to this vulnerability, and assess exposure of Linux kernel drm/imagination component in their environment.

Why it matters

The Linux kernel drm/imagination component vulnerability requires assessment and patching to prevent potential security issues.

• Verify Linux kernel drm/imagination component patching and updates
• Monitor system logs for potential security issues related to this vulnerability
• Assess exposure of Linux kernel drm/imagination component in your environment

Technical summary

The Linux kernel drm/imagination component has a vulnerability that allows for potential security issues due to unbounded access to the request's fixed freelist ID array and the copy into the fixed response array. This issue has been resolved by clamping the count to the request capacity. The vulnerability was found by a static-analysis tool. Linux kernel maintainers, Linux distribution maintainers, and users of Linux kernel drm/imagination component should assess and apply patches for this vulnerability. The CVE record and NVD entry provide details on the vulnerability.

Defensive priority

Assess and apply patches for Linux kernel drm/imagination component

Recommended defensive actions

• Assess exposure of Linux kernel drm/imagination component in your environment
• Apply patches or updates provided by the Linux kernel maintainers
• Monitor system logs for potential security issues related to this vulnerability
• Verify Linux kernel drm/imagination component patching and updates
• 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

Evidence notes

The issue was found by a static-analysis tool. The CVE record and NVD entry provide details on the vulnerability. The Linux kernel maintainers have addressed this issue by clamping the count to the request capacity. No additional information is available on the vulnerability's scope or potential exploits. Defenders should verify Linux kernel drm/imagination component patching and updates.

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.