CVE-2017-11600 Memory corruption in n/a
Local attackers can cause denial of service via out-of-bounds access in the Linux kernel when XFRM migration 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-2017-11600?
CVE-2017-11600 is a high-severity memory corruption vulnerability in Linux kernel, published on 24 Jul 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net/xfrm/xfrm_policy.c in the Linux kernel through 4.12.3, when CONFIG_XFRM_MIGRATE is enabled, does not ensure that the dir value of xfrm_userpolicy_id is XFRM_POLICY_MAX or less, which allows local users to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via an XFRM_MSG_MIGRATE xfrm Netlink message.
Weakness: CWE-125
Which versions are affected by CVE-2017-11600?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2017-11600?
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-2017-11600 being exploited?
There is no known exploitation of CVE-2017-11600 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2017-11600, GHSA-cr28-cmmc-g8hr, UBUNTU-CVE-2017-11600.