CVE-2013-1819: Linux Kernel

Medium severity, CVSS 4.6. EPSS: 0.4% chance of exploitation in the next 30 days.

The _xfs_buf_find function in fs/xfs/xfs_buf.c in the Linux kernel before 3.7.6 does not validate block numbers, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging the ability to mount an XFS filesystem containing a metadata inode with an invalid extent map.

Affected products

• Linux Linux Kernel: up to and including 3.7.5; version 3.0 only; version 3.0.1 only; version 3.0.2 only; version 3.0.3 only; version 3.0.4 only; …

Published 2013-03-06. Last modified 2026-06-16.