CVE-2016-9178 Information disclosure in n/a
Local attackers can read sensitive kernel stack memory due to uninitialized variables in the Linux kernel's user access macros.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-9178?
CVE-2016-9178 is a medium-severity vulnerability in Linux kernel, published on 28 Nov 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The __get_user_asm_ex macro in arch/x86/include/asm/uaccess.h in the Linux kernel before 4.7.5 does not initialize a certain integer variable, which allows local users to obtain sensitive information from kernel stack memory by triggering failure of a get_user_ex call.
Weakness: CWE-200
Which versions are affected by CVE-2016-9178?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2016-9178?
Apply the vendor's patch.
Is CVE-2016-9178 being exploited?
There is no known exploitation of CVE-2016-9178 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2016-9178, GHSA-x43g-x8g8-q2qc, UBUNTU-CVE-2016-9178.