ZDI-CAN-24058: ZDI-24-1194: Linux Kernel Plan 9 File System Race Condition Local Privilege Escalation Vulnerability

First published: Thu Sep 05 2024(Updated: )

This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling of the p9_fid object. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the kernel.

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