CVE-2026-63953
Description
A flaw was found in the Linux kernel's memory management component, specifically within the mm/migrate_device module. When handling device page migration, a page table (pgtable) allocated during the migrate_vma_insert_huge_pmd_page function may not be properly freed if a specific error condition occurs. This oversight can lead to a memory leak, potentially impacting system stability and performance over time.
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
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