The Pakistan Telecommunication Authority (PTA) has released a cybersecurity advisory warning about a critical vulnerability, CVE-2024-27397, identified in the Linux Kernel.
The flaw, located in the netfilter subsystem, is categorized as a use-after-free issue. It can allow a locally authenticated attacker to escalate privileges or potentially crash the affected system by sending a specially crafted request.
The vulnerability impacts multiple versions of the Linux Kernel, including versions 6.1, 6.7.0, and 4.1. The PTA has classified the threat as “High Severity” and stated that the primary attack vector involves privilege escalation. This vulnerability poses significant risks to systems relying on these Linux Kernel versions, necessitating immediate action to mitigate potential security breaches.
The advisory emphasized the need for system administrators and organizations to take prompt measures. It recommended referring to the Linux Kernel Git Repository for available patches, upgrades, or suggested workarounds. Administrators are also urged to keep all systems and software up-to-date with the latest security patches to reduce the risk of exploitation.
In the event of any incidents related to this vulnerability, the PTA advised reporting them promptly through its CERT (Computer Emergency Response Team) portal or via email. By addressing the issue proactively, organizations can help prevent attackers from leveraging this flaw to compromise system integrity.
This advisory highlights the ongoing importance of vigilance in cybersecurity practices, particularly as attackers continue to exploit known vulnerabilities in widely used software. The PTA’s warning serves as a crucial reminder for organizations to prioritize regular updates and system monitoring to safeguard against potential threats.
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