Out-of-bounds read in Linux kernel - CVE-2023-38431
Published: October 5, 2023
Vulnerability identifier: #VU81659
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-38431
CWE-ID: CWE-125
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
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/connection.c within ksmbd. A remote attacker can send a specially crafted data to the system, trigger an out-of-bounds read error and read contents of memory or perform a denial of service (DoS) attack.
How to mitigate CVE-2023-38431
Install updates from vendor's website.