CVE-2015-2922 Security feature bypass in n/a
Remote attackers can bypass hop-limit security controls by sending crafted IPv6 Router Advertisement messages, affecting Linux kernel network stacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-2922?
CVE-2015-2922 is a low-severity vulnerability in Debian Debian Linux, published on 27 May 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The ndisc_router_discovery function in net/ipv6/ndisc.c in the Neighbor Discovery (ND) protocol implementation in the IPv6 stack in the Linux kernel before 3.19.6 allows remote attackers to reconfigure a hop-limit setting via a small hop_limit value in a Router Advertisement (RA) message.
Weakness: CWE-17
Which versions are affected by CVE-2015-2922?
It affects 6 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Linux kernel, Oracle Linux, Oracle Solaris, Redhat Enterprise Mrg.
How do I fix CVE-2015-2922?
Upgrade to a fixed version.
Is CVE-2015-2922 being exploited?
There is no known exploitation of CVE-2015-2922 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2015-2922, GHSA-h2xq-wm46-j26f, UBUNTU-CVE-2015-2922.