CVE-2005-2100 Denial of service in n/a
Local users can crash the system due to missing bounds checking in the Linux kernel's usercopy function.
- 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-2005-2100?
CVE-2005-2100 is a low-severity denial of service vulnerability in Redhat Enterprise Linux, published on 25 Oct 2005. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The rw_vm function in usercopy.c in the 4GB split patch for the Linux kernel in Red Hat Enterprise Linux 4 does not perform proper bounds checking, which allows local users to cause a denial of service (crash).
Which versions are affected by CVE-2005-2100?
It affects 2 products.
Products include Redhat Enterprise Linux, Redhat Enterprise Linux Desktop.
How do I fix CVE-2005-2100?
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-2005-2100 being exploited?
There is no known exploitation of CVE-2005-2100 in the wild and no public exploit code.
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Sources
Also known as GHSA-474g-rpfh-xcf7.