[arch-security] [ASA-201709-22] nvidia: multiple issues

[Levente Polyak]

Arch Linux Security Advisory ASA-201709-22
==========================================

Severity: High
Date    : 2017-09-28
CVE-ID  : CVE-2017-6266 CVE-2017-6267 CVE-2017-6272
Package : nvidia
Type    : multiple issues
Remote  : Yes
Link    : https://security.archlinux.org/AVG-418

Summary
=======

The package nvidia before version 384.90-1 is vulnerable to multiple
issues including privilege escalation and denial of service.

Resolution
==========

Upgrade to 384.90-1.

# pacman -Syu "nvidia>=384.90-1"

The problems have been fixed upstream in version 384.90.

Workaround
==========

None.

Description
===========

- CVE-2017-6266 (denial of service)

NVIDIA GPU Display Driver contains a vulnerability in the kernel mode
layer handler where improper access controls could allow unprivileged
users to cause a denial of service.

- CVE-2017-6267 (denial of service)

NVIDIA GPU Display Driver contains a vulnerability in the kernel mode
layer handler where an incorrect initialization of internal objects can
cause an infinite loop, which may lead to a denial of service.

- CVE-2017-6272 (privilege escalation)

NVIDIA GPU Display Driver contains a vulnerability in the kernel mode
layer handler where a value passed from a user to the driver is not
correctly validated and used as the index to an array, which may lead
to a denial of service or possible escalation of privileges.

Impact
======

A remote attacker who is able to invoke certain graphics API calls may
be able to escalate privileges or crash the system on the affected
host.

References
==========

https://nvidia.custhelp.com/app/answers/detail/a_id/4544
https://security.archlinux.org/CVE-2017-6266
https://security.archlinux.org/CVE-2017-6267
https://security.archlinux.org/CVE-2017-6272

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