Vigil@nce - Linux kernel: use after free via drivers/usb/misc/yurex.c
February 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerabilities-watch-and-alert
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, Linux, openSUSE Leap, SUSE Linux
Enterprise Desktop, SLES.
Severity: 2/4.
Consequences: administrator access/rights, denial of service on
server.
Provenance: physical access.
Confidence: confirmed by the editor (5/5).
Creation date: 04/12/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can force the usage of a freed memory area via
drivers/usb/misc/yurex.c of the Linux kernel, in order to trigger
a denial of service, and possibly to run code.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Linux-kernel-use-after-free-via-drivers-usb-misc-yurex-c-31050