CVE-2014-7826 Null dereference in n/a
Local attackers can exploit improper handling of private syscall numbers in the Linux kernel ftrace subsystem to gain privileges or cause a denial of service.
- 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-2014-7826?
CVE-2014-7826 is a high-severity vulnerability in Linux kernel, published on 10 Nov 2014. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
kernel/trace/trace_syscalls.c in the Linux kernel through 3.17.2 does not properly handle private syscall numbers during use of the ftrace subsystem, which allows local users to gain privileges or cause a denial of service (invalid pointer dereference) via a crafted application.
Weakness: CWE-476
Which versions are affected by CVE-2014-7826?
It affects 3 products.
Products include Linux kernel, Opensuse Evergreen, Suse Suse Linux Enterprise Server.
How do I fix CVE-2014-7826?
Apply the vendor's patch.
Is CVE-2014-7826 being exploited?
There is no known exploitation of CVE-2014-7826 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2014-7826, GHSA-5jvp-w9hf-v844, UBUNTU-CVE-2014-7826.