Out-of-bounds read in Linux kernel - CVE-2023-38432

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Main Vulnerability Database Vulnerabilities #VU79478

Out-of-bounds read in Linux kernel - CVE-2023-38432

Published: August 14, 2023


Vulnerability identifier: #VU79478
CSH Severity: Medium
CVSS v4.0: 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-2023-38432
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

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

The vulnerability exists due to a boundary condition in fs/smb/server/smb2misc.c in ksmbd. 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.


How to mitigate CVE-2023-38432

Install updates from vendor's website.

Sources