| Name | CVE-2020-7456 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| kfreebsd-10 (PTS) | jessie | 10.1~svn274115-4 | vulnerable |
| stretch | 10.3~svn300087-3 | vulnerable | |
| buster | 10.3~svn300087-5 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| kfreebsd-10 | source | (unstable) | (unfixed) | unimportant |
https://www.freebsd.org/security/advisories/FreeBSD-SA-20:17.usb.asc