CVE-2017-2583 Privilege escalation in n/a
Guest OS users can escalate privileges or crash the guest via a crafted application exploiting improper emulation of MOV SS instructions in KVM.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-2583?
CVE-2017-2583 is a high-severity 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
The load_segment_descriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service (guest OS crash) or gain guest OS privileges via a crafted application.
Which versions are affected by CVE-2017-2583?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2017-2583?
Apply the vendor's patch.
Is CVE-2017-2583 being exploited?
There is no known exploitation of CVE-2017-2583 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2017-2583, GHSA-3m46-5wr7-v4jq, UBUNTU-CVE-2017-2583.