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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


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