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zdiLucas Leong (@_wmliang_) of Trend Micro Zero Day InitiativeZDI-24-592
HistoryJun 10, 2024 - 12:00 a.m.

Linux Kernel nftables Out-Of-Bounds Read Information Disclosure Vulnerability

2024-06-1000:00:00
Lucas Leong (@_wmliang_) of Trend Micro Zero Day Initiative
www.zerodayinitiative.com
8
vulnerability
local attackers
sensitive information
high-privileged code
nf_osf_match_one
user-supplied data
data structure
arbitrary code
kernel

AI Score

7.3

Confidence

High

EPSS

0

Percentile

15.9%

This vulnerability allows local attackers to disclose sensitive information on affected installations of the Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the nf_osf_match_one function. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated data structure. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the kernel.