CVE-2026-93227 | Linux Kernel up to 6.18.49/7.2.3 Memory Initialization mm/mm_init.c deferred_grow_zone first_deferred_pfn integer overflow

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 6.18.49/7.2.3. Affected by this issue is the function deferred_grow_zone of the file mm/mm_init.c of the component Memory Initialization. Executing a manipulation of the argument first_deferred_pfn can lead to integer overflow.

This vulnerability is tracked as CVE-2026-93227. The attack is restricted to local execution. No exploit exists.

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