CVE-2014-2673 Denial of service in n/a
Local attackers can crash the system via specific instructions in Transactional Memory state on powerpc Linux kernels.
- 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-2014-2673?
CVE-2014-2673 is a medium-severity denial of service vulnerability in Linux kernel, published on 1 Apr 2014. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The arch_dup_task_struct function in the Transactional Memory (TM) implementation in arch/powerpc/kernel/process.c in the Linux kernel before 3.13.7 on the powerpc platform does not properly interact with the clone and fork system calls, which allows local users to cause a denial of service (Program Check and system crash) via certain instructions that are executed with the processor in the Transactional state.
Weakness: CWE-20
Which versions are affected by CVE-2014-2673?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2014-2673?
Upgrade to a fixed version.
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-2014-2673 being exploited?
There is no known exploitation of CVE-2014-2673 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2014-2673, GHSA-wmm8-g693-g247.