Out-of-bounds read in Linux kernel - CVE-2023-38430

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Main Vulnerability Database Vulnerabilities #VU79477

Out-of-bounds read in Linux kernel - CVE-2023-38430

Published: August 14, 2023


Vulnerability identifier: #VU79477
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-38430
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in ksmbd when handling SMB request protocol ID. A remote attacker can send specially crafted packets to the system to trigger an out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links