CVE-2011-1573 Denial of service in n/a
Remote attackers can cause a kernel OOPS and denial of service via crafted SCTP packets when specific authentication and addip features are enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-1573?
CVE-2011-1573 is a medium-severity denial of service vulnerability in Linux kernel, published on 2 Feb 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
net/sctp/sm_make_chunk.c in the Linux kernel before 2.6.34, when addip_enable and auth_enable are used, does not consider the amount of zero padding during calculation of chunk lengths for (1) INIT and (2) INIT ACK chunks, which allows remote attackers to cause a denial of service (OOPS) via crafted packet data.
Weakness: CWE-682
Which versions are affected by CVE-2011-1573?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2011-1573?
Apply the vendor's patch.
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-2011-1573 being exploited?
There is no known exploitation of CVE-2011-1573 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-m466-grmg-w82q.