Out-of-bounds read in Linux kernel - CVE-2023-52441
Published: June 4, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91105
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-52441
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to an out-of-bounds read error within the init_smb1_server() function in fs/ksmbd/smb_common.c, within the handle_ksmbd_work() and queue_ksmbd_work() functions in fs/ksmbd/server.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/5c0df9d30c289d6b9d7d44e2a450de2f8e3cf40b
- https://git.kernel.org/stable/c/330d900620dfc9893011d725b3620cd2ee0bc2bc
- https://git.kernel.org/stable/c/aa669ef229ae8dd779da9caa24e254964545895f
- https://git.kernel.org/stable/c/536bb492d39bb6c080c92f31e8a55fe9934f452b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.145
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.53
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5