CVE-2013-6763 Memory corruption in n/a
Local attackers can trigger memory corruption in the Linux kernel UIO driver via crafted mmap operations, leading to denial of service or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2013-6763?
CVE-2013-6763 is a medium-severity memory corruption vulnerability in Linux kernel, published on 12 Nov 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The uio_mmap_physical function in drivers/uio/uio.c in the Linux kernel before 3.12 does not validate the size of a memory block, which allows local users to cause a denial of service (memory corruption) or possibly gain privileges via crafted mmap operations, a different vulnerability than CVE-2013-4511.
Weakness: CWE-119
Which versions are affected by CVE-2013-6763?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2013-6763?
No fix has been published for CVE-2013-6763 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2013-6763 being exploited?
There is no known exploitation of CVE-2013-6763 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-683g-4vqr-5fqc.