CVE-2007-4133 Denial of service in n/a
Local attackers can cause a system panic in the Linux kernel via incorrect memory calculations in hugetlbfs, leading to 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-2007-4133?
CVE-2007-4133 is a medium-severity denial of service vulnerability in Linux kernel, published on 4 Oct 2007. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The (1) hugetlb_vmtruncate_list and (2) hugetlb_vmtruncate functions in fs/hugetlbfs/inode.c in the Linux kernel before 2.6.19-rc4 perform certain prio_tree calculations using HPAGE_SIZE instead of PAGE_SIZE units, which allows local users to cause a denial of service (panic) via unspecified vectors.
Which versions are affected by CVE-2007-4133?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2007-4133?
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-2007-4133 being exploited?
There is no known exploitation of CVE-2007-4133 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-c3j9-w7pw-hrww.