CVE-2017-7374: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.8% chance of exploitation in the next 30 days.

Use-after-free vulnerability in fs/crypto/ in the Linux kernel before 4.10.7 allows local users to cause a denial of service (NULL pointer dereference) or possibly gain privileges by revoking keyring keys being used for ext4, f2fs, or ubifs encryption, causing cryptographic transform objects to be freed prematurely.

Affected products

• Linux Linux Kernel: from 4.2, before 4.4.59 (fixed in 4.4.59); from 4.5, before 4.9.20 (fixed in 4.9.20); from 4.10, before 4.10.7 (fixed in 4.10.7)

Published 2017-03-31. Last modified 2026-06-17.