PT-2017-17678 · Linux+3 · Linux Kernel+3

Vladis Dronov · Published 2017-03-30 · Updated 2018-07-09 · CVE-2017-7346

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.10.8

Description The issue allows local users to cause a denial of service, resulting in a system hang, by making a crafted ioctl call for a /dev/dri/renderD* device. This is due to the lack of validation of certain levels data in the vmw gb surface define ioctl function.

Recommendations For Linux kernel versions prior to 4.10.8, update to version 4.10.8 or later to resolve the issue. As a temporary workaround, consider restricting access to the /dev/dri/renderD* device to minimize the risk of exploitation.

Fix

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

ALT-PU-2017-1399

ALT-PU-2018-1991

CVE-2017-7346

DSA-3927-1

DSA-3945-1

OPENSUSE-SU-2017_1633-1

SUSE-SU-2017:1853-1

SUSE-SU-2017:1990-1

USN-3358-1

USN-3359-1

USN-3360-1

USN-3360-2

USN-3364-1

USN-3364-2

USN-3364-3

USN-3371-1

Affected Products

Alt Linux

Linux Kernel

Suse

Ubuntu

References · 420

• https://osv.dev/vulnerability/DSA-3927-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3360-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3364-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3360-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-8924 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3364-3 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-7346 · Security Note
• https://ubuntu.com/security/notices/USN-3364-3 · Vendor Advisory
• http://debian.org/security/2017/dsa-3927 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-7346 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3364-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8964 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3945-1 · Vendor Advisory
• http://marc.info/?l=linux-kernel&m=149086968410117&w=2 · Patch
• https://ubuntu.com/security/CVE-2017-8925 · Vendor Advisory