Vulnerability identifier: #VU1171
Vulnerability risk: Low
Exploitation vector: Local
Exploit availability: No
Vendor: Linux Foundation
The vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists in the x86_decode_insn function in arch/x86/kvm/emulate.c due to NULL pointer dereference when KVM is enabled. A local attacker can cause the service to crash via a certain use of a ModR/M byte in an undefined instruction.
Update to version 4.8.7.
Vulnerable software versions
Linux kernel: 4.8 - 4.8.6
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.