CVE-2007-3739 Denial of service in n/a
Local users can cause a denial of service on PowerPC systems by triggering stack expansion into reserved kernel memory.
- 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-2007-3739?
CVE-2007-3739 is a medium-severity denial of service vulnerability in Redhat Enterprise Linux, published on 14 Sep 2007. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
mm/mmap.c in the hugetlb kernel, when run on PowerPC systems, does not prevent stack expansion from entering into reserved kernel page memory, which allows local users to cause a denial of service (OOPS) via unspecified vectors.
Which versions are affected by CVE-2007-3739?
It affects 1 product.
Products include Redhat Enterprise Linux.
How do I fix CVE-2007-3739?
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-2007-3739 being exploited?
There is no known exploitation of CVE-2007-3739 in the wild and no public exploit code.
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Sources
Also known as GHSA-g9r8-mr7q-g5r2.