NULL pointer dereference in Linux kernel - CVE-2023-52850
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90440
CSH Severity: 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-2023-52850
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 hantro_watchdog() function in drivers/media/platform/verisilicon/hantro_drv.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/64f55cebb4339ae771e9e7f3f42bee2489e2fa00
- https://git.kernel.org/stable/c/66b4c5f980d741f3a47e4b65eeaf2797f2d59294
- https://git.kernel.org/stable/c/24c06295f28335ced3aad53dd4b0a0bae7b9b100
- https://git.kernel.org/stable/c/88d4b23a629ebd34f682f770cb6c2116c851f7b8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.63
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7