CVE-2013-1798 Information disclosure in n/a
A guest OS user can exploit improper IOAPIC handling in the Linux kernel to read host memory or crash the host 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-2013-1798?
CVE-2013-1798 is a medium-severity vulnerability in Linux kernel, published on 22 Mar 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The ioapic_read_indirect function in virt/kvm/ioapic.c in the Linux kernel through 3.8.4 does not properly handle a certain combination of invalid IOAPIC_REG_SELECT and IOAPIC_REG_WINDOW operations, which allows guest OS users to obtain sensitive information from host OS memory or cause a denial of service (host OS OOPS) via a crafted application.
Weakness: CWE-20
Which versions are affected by CVE-2013-1798?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2013-1798?
Apply the vendor's patch.
Is CVE-2013-1798 being exploited?
There is no known exploitation of CVE-2013-1798 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2013-1798, GHSA-2r7v-v86r-776v.