CVE-2008-2137 Denial of service in n/a
Local attackers can cause a system panic via specific mmap calls due to missing span checks in the Linux kernel SPARC architecture.
- 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-2008-2137?
CVE-2008-2137 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 29 May 2008. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The (1) sparc_mmap_check function in arch/sparc/kernel/sys_sparc.c and the (2) sparc64_mmap_check function in arch/sparc64/kernel/sys_sparc.c, in the Linux kernel 2.4 before 2.4.36.5 and 2.6 before 2.6.25.3, omit some virtual-address range (aka span) checks when the mmap MAP_FIXED bit is not set, which allows local users to cause a denial of service (panic) via unspecified mmap calls.
Weakness: CWE-264
Which versions are affected by CVE-2008-2137?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2008-2137?
Upgrade to a fixed version.
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-2008-2137 being exploited?
There is no known exploitation of CVE-2008-2137 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as GHSA-v3xm-x5gg-cv82.