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zdiHexRabbit (@h3xr4bb1t)ZDI-24-227
HistoryMar 01, 2024 - 12:00 a.m.

Linux Kernel ksmbd Chained Request Improper Input Validation Information Disclosure Vulnerability

2024-03-0100:00:00
HexRabbit (@h3xr4bb1t)
www.zerodayinitiative.com
17
linux kernel
ksmbd
chained request
improper input validation
information disclosure
vulnerability
remote attack
authentication
arbitrary code

6.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.7%

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Linux Kernel. Authentication is not required to exploit this vulnerability, but only systems with ksmbd enabled are vulnerable. The specific flaw exists within the handling of chained requests. The issue results from the lack of proper validation of user-supplied requests prior to processing them. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the kernel.

6.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.7%