CVE-2010-4238 Denial of service in n/a
Guest OS users can cause a host OS panic via virtual CD-ROM access, requiring kernel patches for Red Hat Enterprise Linux.
- 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-2010-4238?
CVE-2010-4238 is a medium-severity denial of service vulnerability in n/a, published on 22 Jan 2011. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The vbd_create function in Xen 3.1.2, when the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 is used, allows guest OS users to cause a denial of service (host OS panic) via an attempted access to a virtual CD-ROM device through the blkback driver. NOTE: some of these details are obtained from third party information.
Weakness: CWE-264
Which versions are affected by CVE-2010-4238?
It affects 1 product.
Products include Citrix Xen.
How do I fix CVE-2010-4238?
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-2010-4238 being exploited?
There is no known exploitation of CVE-2010-4238 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-q68m-xchw-w886.