CVE-2011-2022 Privilege escalation in n/a
Local attackers can exploit a missing parameter validation in the Linux kernel AGP driver to escalate privileges or crash the system.
- 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-2011-2022?
CVE-2011-2022 is a medium-severity vulnerability in Linux kernel, published on 9 May 2011. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The agp_generic_remove_memory function in drivers/char/agp/generic.c in the Linux kernel before 2.6.38.5 does not validate a certain start parameter, which allows local users to gain privileges or cause a denial of service (system crash) via a crafted AGPIOC_UNBIND agp_ioctl ioctl call, a different vulnerability than CVE-2011-1745.
Weakness: CWE-20
Which versions are affected by CVE-2011-2022?
It affects 7 products.
Products include Linux kernel, Redhat Enterprise Linux, Redhat Enterprise Linux Aus, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server and 1 more.
How do I fix CVE-2011-2022?
Apply the vendor's patch.
Is CVE-2011-2022 being exploited?
There is no known exploitation of CVE-2011-2022 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-7768-324v-qm6c.