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K
zdiSelim Enes Karaduman @EnesdexZDI-22-1165
HistoryAug 24, 2022 - 12:00 a.m.

Linux Kernel Watch Queue Race Condition Privilege Escalation Vulnerability

2022-08-2400:00:00
Selim Enes Karaduman @Enesdex
www.zerodayinitiative.com
23
linux kernel
privilege escalation
race condition
watch queue
vulnerability

EPSS

0

Percentile

15.9%

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 pipe buffers. 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.