CVE-2013-4591 Memory corruption in n/a
Local attackers can trigger a buffer overflow in the Linux kernel NFSv4 ACL handling via getxattr, causing system crashes or potential code execution.
- 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-2013-4591?
CVE-2013-4591 is a medium-severity memory corruption vulnerability in Linux kernel, published on 19 Nov 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Buffer overflow in the __nfs4_get_acl_uncached function in fs/nfs/nfs4proc.c in the Linux kernel before 3.7.2 allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact via a getxattr system call for the system.nfs4_acl extended attribute of a pathname on an NFSv4 filesystem.
Weakness: CWE-119
Which versions are affected by CVE-2013-4591?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2013-4591?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2013-4591 being exploited?
There is no known exploitation of CVE-2013-4591 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2013-4591, GHSA-5222-p8x3-g8gv.