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FreeBSD: VID-32C92A75-AA71-11EA-92AB-00163E433440 (CVE-2020-7456): FreeBSD -- USB HID descriptor parsing error

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FreeBSD: VID-32C92A75-AA71-11EA-92AB-00163E433440 (CVE-2020-7456): FreeBSD -- USB HID descriptor parsing error

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
06/03/2020
Created
06/11/2020
Added
06/10/2020
Modified
10/20/2020

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.

Solution(s)

  • freebsd-upgrade-base-11_3-release-p10
  • freebsd-upgrade-base-12_1-release-p6

References

  • CVE-2020-7456

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