CVE-2012-1097 Null dereference in n/a
Local attackers can cause a denial of service via NULL pointer dereference in the Linux kernel regset feature using ptrace calls.
- 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-2012-1097?
CVE-2012-1097 is a high-severity vulnerability in Linux kernel, published on 17 May 2012. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The regset (aka register set) feature in the Linux kernel before 3.2.10 does not properly handle the absence of .get and .set methods, which allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a (1) PTRACE_GETREGSET or (2) PTRACE_SETREGSET ptrace call.
Weakness: CWE-476
Which versions are affected by CVE-2012-1097?
It affects 6 products.
Products include Linux kernel, Redhat Enterprise Linux, Redhat Enterprise Mrg, Suse Linux Enterprise Desktop, Suse Linux Enterprise High Availability Extension, Suse Linux Enterprise Server.
How do I fix CVE-2012-1097?
Apply the vendor's patch.
Is CVE-2012-1097 being exploited?
There is no known exploitation of CVE-2012-1097 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-j2h3-37r3-qm7f.