#VU92063 NULL pointer dereference in Linux kernel - CVE-2023-52736
Published: June 13, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU92063
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-52736
CWE-ID: CWE-476
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 perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the snd_hda_codec_cleanup_for_unbind() function in sound/pci/hda/hda_codec.c, within the hda_codec_driver_probe() and hda_codec_driver_remove() functions in sound/pci/hda/hda_bind.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/7fc4e7191eae9d9325511e03deadfdb2224914f8
- https://git.kernel.org/stable/c/e909f5f2aa55a8f9aa6919cce08015cb0e8d4668
- https://git.kernel.org/stable/c/427ca2530da8dc61a42620d7113b05e187b6c2c0
- https://git.kernel.org/stable/c/87978e6ad45a16835cc58234451111091be3c59a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.169
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.95
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2