Red Hat has issued security advisories to address a vulnerability in the Linux kernel that affects Red Hat Enterprise Linux 9 and Red Hat Virtualization 4.
The flaw could allow a local user to crash or potentially escalate their privileges on the system.
This vulnerability is caused by a double-free flaw found in the Linux kernel’s TUN/TAP device driver functionality, which occurs when a user registers the device and the register_netdevice function fails (NETDEV_REGISTER notifier).
At the same time, Cyber Centre has urged users and administrators to review the provided web links and apply the necessary updates.
Exploitation of these vulnerabilities could lead to a denial of service or privilege escalation. The updates provided by Red Hat are aimed at addressing the vulnerabilities and mitigating the risks associated with them.
Red Hat Enterprise Linux 9 is designed for hybrid cloud environments and provides users with tools and services to help manage their workloads. Red Hat Virtualization 4 is a software-defined virtualization platform that allows users to create and manage virtual machines.
Both products are widely used in enterprise environments, and the vulnerability discovered in the Linux kernel could potentially affect a large number of systems.
furthermore, the discovery of this vulnerability underscores the need for organizations to prioritize their cybersecurity efforts and ensure that they have robust security measures in place to protect against potential threats.
By staying up-to-date with security patches and implementing best practices for cybersecurity, organizations can minimize their risk of falling victim to cyber attacks.
