CVE-2020-7456

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-06-09 · updated 2026-06-17
Weakness: CWE-119

Description

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: 11.3, 11.3-p1, 11.3-p2, 11.3-p3, 11.3-p4, 11.3-p5 (+12)
Clustered Data ONTAP: all versions

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:17.usb.asc
https://security.netapp.com/advisory/ntap-20200625-0005/
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:17.usb.asc
https://security.netapp.com/advisory/ntap-20200625-0005/

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