CVE-2013-4470 Memory corruption in n/a
Local attackers can cause denial of service or gain privileges via crafted UDP packets when UDP Fragmentation Offload is enabled.
- 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-2013-4470?
CVE-2013-4470 is a medium-severity memory corruption vulnerability in Linux kernel, published on 4 Nov 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The Linux kernel before 3.12, when UDP Fragmentation Offload (UFO) is enabled, does not properly initialize certain data structures, which allows local users to cause a denial of service (memory corruption and system crash) or possibly gain privileges via a crafted application that uses the UDP_CORK option in a setsockopt system call and sends both short and long packets, related to the ip_ufo_append_data function in net/ipv4/ip_output.c and the ip6_ufo_append_data function in net/ipv6/ip6_output.c.
Weakness: CWE-264
Which versions are affected by CVE-2013-4470?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2013-4470?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2013-4470 being exploited?
There is no known exploitation of CVE-2013-4470 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2013-4470, GHSA-rjcc-mch5-73qc.