CVE-2018-20976: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.6% chance of exploitation in the next 30 days.

An issue was discovered in fs/xfs/xfs_super.c in the Linux kernel before 4.18. A use after free exists, related to xfs_fs_fill_super failure.

Affected products

• Linux Linux Kernel: before 4.18 (fixed in 4.18)

Published 2019-08-19. Last modified 2026-06-17.