CVE-2017-16648

HIGH

Description

The dvb_frontend_free function in drivers/media/dvb-core/dvb_frontend.c in the Linux kernel through 4.13.11 allows local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via a crafted USB device. NOTE: the function was later renamed __dvb_frontend_free.

References

http://www.securityfocus.com/bid/101758

https://access.redhat.com/errata/RHSA-2018:2948

https://groups.google.com/d/msg/syzkaller/0HJQqTm0G_g/T931ItskBAAJ

https://patchwork.kernel.org/patch/10046189/

Details

Source: MITRE

Published: 2017-11-07

Updated: 2018-10-31

Type: CWE-416

Risk Information

CVSS v2.0

Base Score: 7.2

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

CVSS v3.0

Base Score: 6.6

Vector: CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 0.7

Severity: MEDIUM