CVE-2019-5601: Freebsd

Medium severity, CVSS 6.5. EPSS: 1.6% chance of exploitation in the next 30 days.

In FreeBSD 12.0-STABLE before r347474, 12.0-RELEASE before 12.0-RELEASE-p7, 11.2-STABLE before r347475, and 11.2-RELEASE before 11.2-RELEASE-p11, a bug in the FFS implementation causes up to three bytes of kernel stack memory to be written to disk as uninitialized directory entry padding.

Affected products

• Freebsd Freebsd: version 11.2 only; version 12.0 only

Published 2019-07-03. Last modified 2026-06-17.