CVE-2017-8068 Memory corruption in n/a
Local attackers can cause system crashes or memory corruption in the Linux kernel via the Pegasus USB driver when VMAP_STACK is enabled.
- 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-2017-8068?
CVE-2017-8068 is a high-severity memory corruption vulnerability in Linux kernel, published on 23 Apr 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
drivers/net/usb/pegasus.c in the Linux kernel 4.9.x before 4.9.11 interacts incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash or memory corruption) or possibly have unspecified other impact by leveraging use of more than one virtual page for a DMA scatterlist.
Weakness: CWE-119
Which versions are affected by CVE-2017-8068?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2017-8068?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-8068 being exploited?
There is no known exploitation of CVE-2017-8068 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2017-8068, GHSA-g2mh-4gqh-pqw4.