CVE-2026-92484 Linux CVE debrief

Who should care

Linux kernel developers and maintainers, as well as users and administrators of systems running the affected versions of the Linux kernel. They should review and apply the patches provided to fix the vulnerability, check the affected versions and upgrade to a fixed version if necessary, and monitor system logs for potential exploitation attempts.

Why it matters

This vulnerability can cause system instability or crashes, and may be used for information disclosure or DoS attacks. Linux kernel developers and maintainers should review and apply the patches provided to fix the vulnerability. Users and administrators of systems running the affected versions should check and upgrade to fixed versions if necessary.

• Potential system crashes or instability due to use-after-free errors.
• Possible information disclosure or denial of service (DoS) attacks.

Technical summary

The vulnerability is caused by the error path in the find_pos_and_ways() function releasing its reference to a switch decoder before logging an error that includes the decoder name. This can cause the decoder to be freed before the error message accesses its name. The vulnerability can cause system instability or crashes, and may be used for information disclosure or DoS attacks. Linux kernel developers and maintainers should review and apply the patches provided to fix the vulnerability. Users and administrators of systems running the affected versions should check and upgrade to fixed versions if necessary.

Defensive priority

Medium

Recommended defensive actions

• Review and apply the patches provided by the Linux kernel maintainers.
• Check the affected versions and upgrade to a fixed version if necessary.
• Monitor system logs 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 and source item provide details about the vulnerability, including its description and affected versions. However, the CVSS score and severity are not provided. The vulnerability is caused by the error path in the find_pos_and_ways() function releasing its reference to a switch decoder before logging an error that includes the decoder name.

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.