CVE-2004-1056 Denial of service in n/a
Local users or remote attackers can crash the X Server and potentially modify video output due to improper DMA lock checking in the Linux kernel DRM driver.
- 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-2004-1056?
CVE-2004-1056 is a medium-severity denial of service vulnerability in Linux kernel, published on 22 Dec 2004. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Direct Rendering Manager (DRM) driver in Linux kernel 2.6 does not properly check the DMA lock, which could allow remote attackers or local users to cause a denial of service (X Server crash) and possibly modify the video output.
Which versions are affected by CVE-2004-1056?
It affects 2 products.
Products include Linux kernel, Ubuntu Ubuntu Linux.
How do I fix CVE-2004-1056?
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-2004-1056 being exploited?
There is no known exploitation of CVE-2004-1056 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-jxqr-rj44-7m7x.