CVE-2015-5366 Denial of service in n/a
Remote attackers can cause a denial of service in EPOLLET epoll applications by sending UDP packets with incorrect checksums.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-5366?
CVE-2015-5366 is a medium-severity denial of service vulnerability in Linux kernel, published on 31 Aug 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The (1) udp_recvmsg and (2) udpv6_recvmsg functions in the Linux kernel before 4.0.6 provide inappropriate -EAGAIN return values, which allows remote attackers to cause a denial of service (EPOLLET epoll application read outage) via an incorrect checksum in a UDP packet, a different vulnerability than CVE-2015-5364.
Weakness: CWE-399
Which versions are affected by CVE-2015-5366?
It affects 2 products.
Products include Linux kernel, Redhat Enterprise Linux Server Aus.
How do I fix CVE-2015-5366?
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-2015-5366 being exploited?
There is no known exploitation of CVE-2015-5366 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2015-5366, GHSA-2p7j-hg9j-vpj2, UBUNTU-CVE-2015-5366.