#VU14178 Privilege escalation in Linux kernel - CVE-2018-10901
Published: August 2, 2018
Vulnerability identifier: #VU14178
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-10901
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability existsin the Kernel-based Virtual Machine (KVM) virtualization subsystem due to the vmx.c source code file of the affected software fails to set the GDT.LIMIT value to the previous host value and instead sets it to 64 KB. A local attacker can place malicious entries in the Global Descriptor Table (GDT), submit a specially crafted request that submits malicious input and gain elevated privileges on the system.
Remediation
Install update from vendor's website.