CVE-2018-1029 is a vulnerability that affects the Linux kernel's implementation of the KVM virtualization subsystem. The flaw allows an attacker with local access to a guest virtual machine to escalate their privileges on the host system, potentially gaining full control of the system. This vulnerability received a CVSSv3 score of 7.8 out of 10, indicating a high severity.
The vulnerability was discovered and reported by researchers at Red Hat in February 2018. The Linux kernel developers released a patch for the vulnerability in April 2018, which was included in subsequent Linux kernel releases. However, systems running older versions of the Linux kernel may still be vulnerable to this attack.
Exploitation of CVE-2018-1029 can have serious consequences for affected systems, as it can allow an attacker to gain complete control over the host system. It is recommended that system administrators apply patches for this vulnerability as soon as possible and monitor their systems for any signs of compromise. Additionally, best practices such as minimizing the attack surface of virtual machines and restricting access to sensitive resources can help mitigate the risk of attacks exploiting this vulnerability.