CVE-2024-56766: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: fix double free in atmel_pmecc_create_user() The "user" pointer was converted from being allocated with kzalloc() to being allocated by devm_kzalloc(). Calling kfree(user) will lead to a double free.

Affected products

• Linux Linux Kernel: from 4.19.325, before 4.20 (fixed in 4.20); from 5.4.287, before 5.5 (fixed in 5.5); from 5.10.231, before 5.11 (fixed in 5.11); from 5.15.174, before 5.16 (fixed in 5.16); from 6.1.120, before 6.1.123 (fixed in 6.1.123); from 6.6.64, before 6.6.69 (fixed in 6.6.69); …

Published 2025-01-06. Last modified 2026-06-17.