CVE-2026-64129
Description
A flaw was found in the Linux kernel's memory management component. This vulnerability, located in the migrate_vma_insert_huge_pmd_page function, can lead to a spinlock being permanently held if a specific address space check fails. This unreleased spinlock can cause a system deadlock, resulting in a Denial of Service (DoS) for affected systems.
Understanding the Weakness (CWE)
Availability
Technical Impact: DoS: Resource Consumption (Other); DoS: Resource Consumption (Memory); DoS: Resource Consumption (CPU)
An attacker that can influence the allocation of resources that are not properly released could deplete the available resource pool and prevent all other processes from accessing the same type of resource. Frequently-affected resources include memory, CPU, disk space, power or battery, etc.
Frequently Asked Questions
Not sure what something means? Check out our Security Glossary.
Want to get errata notifications? Sign up here.
