CVE-2017-5547 Memory corruption in n/a
Local attackers can cause system crashes or memory corruption in the Linux kernel via the Corsair HID 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-2017-5547?
CVE-2017-5547 is a high-severity memory corruption vulnerability in Linux kernel, published on 6 Feb 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
drivers/hid/hid-corsair.c in the Linux kernel 4.9.x before 4.9.6 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-2017-5547?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2017-5547?
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-2017-5547 being exploited?
There is no known exploitation of CVE-2017-5547 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2017-5547, GHSA-pqx6-4pmj-5cm2.