Vulnerability · Published Jun 9, 2020 · Assigned by freebsd

CVE-2020-7456

Medium 6.8

In plain English

A medium-severity security flaw in FreeBSD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS NVD)6.8Medium

Exploit odds (30 days)0.6%top 53.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
n/a	FreeBSD	FreeBSD 12.1-RELEASE before p6, 11.3-RELEASE before p10, and 11.4-RC2 before p1

References

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