CVE-2015-1465 Denial of service in n/a
Remote attackers can cause a denial of service via memory consumption or system crash by flooding packets due to improper RCU grace period handling in the Linux kernel.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-1465?
CVE-2015-1465 is a high-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 5 Apr 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The IPv4 implementation in the Linux kernel before 3.18.8 does not properly consider the length of the Read-Copy Update (RCU) grace period for redirecting lookups in the absence of caching, which allows remote attackers to cause a denial of service (memory consumption or system crash) via a flood of packets.
Weakness: CWE-17
Which versions are affected by CVE-2015-1465?
It affects 2 products.
Products include Canonical Ubuntu Linux, Linux kernel.
How do I fix CVE-2015-1465?
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-2015-1465 being exploited?
There is no known exploitation of CVE-2015-1465 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2015-1465, GHSA-wf34-7h5v-335r, UBUNTU-CVE-2015-1465.