CVE-2020-7456: Freebsd

Medium severity, CVSS 6.8. EPSS: 0.6% chance of exploitation in the next 30 days.

In FreeBSD 12.1-STABLE before r361918, 12.1-RELEASE before p6, 11.4-STABLE before r361919, 11.3-RELEASE before p10, and 11.4-RC2 before p1, an invalid memory location may be used for HID items if the push/pop level is not restored within the processing of that HID item allowing an attacker with physical access to a USB port to be able to use a specially crafted USB device to gain kernel or user-space code execution.

Affected products

• Freebsd Freebsd: version 11.3 only; version 11.4 only; version 12.1 only
• Netapp Clustered Data Ontap: affected versions not specified

Published 2020-06-09. Last modified 2026-06-17.