#VU90448 NULL pointer dereference in Linux kernel - CVE-2023-52844
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90448
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-2023-52844
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 vidtv_psi_service_desc_init() and kstrdup() functions in drivers/media/test-drivers/vidtv/vidtv_psi.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/3387490c89b10aeb4e71d78b65dbc9ba4b2385b9
- https://git.kernel.org/stable/c/d17269fb9161995303985ab2fe6f16cfb72152f9
- https://git.kernel.org/stable/c/5c26aae3723965c291c65dd2ecad6a3240d422b0
- https://git.kernel.org/stable/c/5cfcc8de7d733a1137b86954cc28ce99972311ad
- https://git.kernel.org/stable/c/a51335704a3f90eaf23a6864faefca34b382490a
- https://git.kernel.org/stable/c/76a2c5df6ca8bd8ada45e953b8c72b746f42918d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.201
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.139
- 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