Information disclosure in Linux kernel - CVE-2017-14156
Published: February 26, 2018
Vulnerability identifier: #VU10719
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-14156
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
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.
Affected software
Linux kernel
Ubuntu
linux (Ubuntu package)
linux-aws (Ubuntu package)
linux-kvm (Ubuntu package)
linux-gke (Ubuntu package)
linux-snapdragon (Ubuntu package)
Ubuntu
linux (Ubuntu package)
linux-aws (Ubuntu package)
linux-kvm (Ubuntu package)
linux-gke (Ubuntu package)
linux-snapdragon (Ubuntu package)
How to mitigate CVE-2017-14156
Update to version 4.12.11.
linux (Ubuntu package) - update to 4.4.0-98.121
linux-aws (Ubuntu package) - update to 4.4.0-1039.48
linux-kvm (Ubuntu package) - update to 4.4.0-1009.14
linux-gke (Ubuntu package) - update to 4.4.0-1033.33
linux-snapdragon (Ubuntu package) - update to 4.4.0-1078.83
linux-aws (Ubuntu package) - update to 4.4.0-1039.48
linux-kvm (Ubuntu package) - update to 4.4.0-1009.14
linux-gke (Ubuntu package) - update to 4.4.0-1033.33
linux-snapdragon (Ubuntu package) - update to 4.4.0-1078.83