Vigil@nce - Linux kernel: use after free via drivers/usb/misc/rio500.c
October 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerability-database-and-alert
SYNTHESIS OF THE VULNERABILITY
– Impacted products: Debian, Linux, openSUSE Leap, SUSE Linux
Enterprise Desktop, SLES, Ubuntu.
– Severity: 2/4.
– Consequences: administrator access/rights, denial of service on
server, denial of service on service.
– Provenance: user shell.
– Confidence: confirmed by the editor (5/5).
– Creation date: 21/08/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can force the usage of a freed memory area via
drivers/usb/misc/rio500.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-rio500-c-30103