CVE-2017-5897 Memory corruption in n/a
Remote attackers can trigger an out-of-bounds access in the Linux kernel IPv6 GRE module, potentially causing denial of service or code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-5897?
CVE-2017-5897 is a critical memory corruption vulnerability in Canonical Ubuntu Linux, published on 23 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The ip6gre_err function in net/ipv6/ip6_gre.c in the Linux kernel allows remote attackers to have unspecified impact via vectors involving GRE flags in an IPv6 packet, which trigger an out-of-bounds access.
Weakness: CWE-125
Which versions are affected by CVE-2017-5897?
It affects 3 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel.
How do I fix CVE-2017-5897?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-5897 being exploited?
There is no known exploitation of CVE-2017-5897 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2017-5897, GHSA-9v6g-jchr-3755, UBUNTU-CVE-2017-5897.