CVE-2024-0582: Linux Kernel

High severity, CVSS 7.8. EPSS: 12.8% chance of exploitation in the next 30 days.

A memory leak flaw was found in the Linux kernel’s io_uring functionality in how a user registers a buffer ring with IORING_REGISTER_PBUF_RING, mmap() it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Affected products

• Linux Linux Kernel: from 6.4, before 6.6.5 (fixed in 6.6.5); version 6.7 only

Published 2024-01-16. Last modified 2026-06-17.