CVE-2026-93788 Linux CVE debrief

Who should care

Linux system administrators and users of iwlwifi-enabled devices should verify their kernel versions and update if necessary to prevent potential issues. They should also review system logs for iwlwifi errors to detect possible exploitation attempts and track exceptions, retest remediated assets, and close the item only after evidence is documented.

Why it matters

A vulnerability in the Linux kernel's iwlwifi component has been addressed. Linux system administrators and users of iwlwifi-enabled devices should verify their kernel versions and update if necessary to prevent potential issues.

• Verify Linux kernel updates for iwlwifi component to prevent potential issues
• Review system logs for iwlwifi errors to detect possible exploitation attempts

Technical summary

The Linux kernel's iwlwifi component has a vulnerability that has been resolved by validating the WGDS table revision index. This prevents undefined shifts when the firmware reports an invalid revision value. The vulnerability affects Linux system administrators and users of iwlwifi-enabled devices, who should verify their kernel versions and update if necessary to prevent potential issues. The vulnerability has been addressed, and users should review system logs for iwlwifi errors to detect possible exploitation attempts.

Defensive priority

Verify Linux kernel updates for iwlwifi component

Recommended defensive actions

• Verify Linux kernel updates for iwlwifi component
• Review system logs for iwlwifi errors
• Update Linux kernel to latest version if necessary
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• 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 CVE record and NVD entry provide details on the vulnerability. Three source references from git.kernel.org are available for patch information. The vulnerability has been addressed in the Linux kernel, and users should verify their kernel versions and update if necessary. The CVE record was published on 2026-09-24T17:17:11.477Z and has not been modified since then.

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.