CVE-2017-18222 Memory corruption in n/a
Local attackers can trigger a buffer overflow in the Hisilicon Network Subsystem driver, causing denial of service 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-2017-18222?
CVE-2017-18222 is a high-severity memory corruption vulnerability in Linux kernel, published on 8 Mar 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel before 4.12, Hisilicon Network Subsystem (HNS) does not consider the ETH_SS_PRIV_FLAGS case when retrieving sset_count data, which allows local users to cause a denial of service (buffer overflow and memory corruption) or possibly have unspecified other impact, as demonstrated by incompatibility between hns_get_sset_count and ethtool_get_strings.
Weakness: CWE-119
Which versions are affected by CVE-2017-18222?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2017-18222?
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-2017-18222 being exploited?
There is no known exploitation of CVE-2017-18222 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2017-18222, GHSA-hwr8-7vg6-gmxx, UBUNTU-CVE-2017-18222.