Vulnerability identifier: #VU10719

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-14156

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description
The vulnerability allows a local attacker to obtain sensitive information on the target system.

The weakness exists in the drivers/video/fbdev/aty/atyfb_base.c due to improper initialization of a certain data structure. A local attacker can read locations associated with padding bytes and obtain sensitive information from kernel stack memory.

Mitigation
Update to version 4.12.11.

Vulnerable software versions

Linux kernel: 4.12.1 - 4.12.10

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External links
http://github.com/torvalds/linux/pull/441

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.