CVE-2004-0554 Denial of service in n/a
Local attackers can crash the Linux kernel by triggering a signal handler with specific floating-point instructions, causing a denial of service.
- 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-2004-0554?
CVE-2004-0554 is a low-severity denial of service vulnerability in Conectiva Linux, published on 15 Jun 2004. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Linux kernel 2.4.x and 2.6.x for x86 allows local users to cause a denial of service (system crash), possibly via an infinite loop that triggers a signal handler with a certain sequence of fsave and frstor instructions, as originally demonstrated using a "crash.c" program.
Which versions are affected by CVE-2004-0554?
It affects 18 products.
Products include Avaya Converged Communications Server, Avaya Intuity Audix, Avaya Modular Messaging Message Storage Server, Avaya S8300, Avaya S8500, Avaya S8700 and 12 more.
How do I fix CVE-2004-0554?
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-2004-0554 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2004-0554 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Conectiva Linux
Sources
Also known as GHSA-7hp5-737x-3jmh.