CVE-2016-5828 Denial of service in n/a
Local users can crash the system on PowerPC platforms by mishandling transactional state during exec, requiring kernel patches.
- 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-2016-5828?
CVE-2016-5828 is a high-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 27 Jun 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The start_thread function in arch/powerpc/kernel/process.c in the Linux kernel through 4.6.3 on powerpc platforms mishandles transactional state, which allows local users to cause a denial of service (invalid process state or TM Bad Thing exception, and system crash) or possibly have unspecified other impact by starting and suspending a transaction before an exec system call.
Weakness: CWE-20
Which versions are affected by CVE-2016-5828?
It affects 4 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Novell Suse Linux Enterprise Real Time Extension.
How do I fix CVE-2016-5828?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2016-5828 being exploited?
There is no known exploitation of CVE-2016-5828 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2016-5828, GHSA-64c3-3r62-5c6c, UBUNTU-CVE-2016-5828.