NULL pointer dereference in Linux kernel - CVE-2023-52802
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90536
CSH Severity: Low
CVSS v4.0: 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-2023-52802
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability 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 stm32_adc_probe() function in drivers/iio/adc/stm32-adc-core.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2023-52802
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/b80aaff5f7817d50798ac61ed75973f004dd5202
- https://git.kernel.org/stable/c/b028f89c56e964a22d3ddb8eab1a0e7e980841b9
- https://git.kernel.org/stable/c/5b82e4240533bcd4691e50b64ec86d0d7fbd21b9
- https://git.kernel.org/stable/c/3a23b384e7e3d64d5587ad10729a34d4f761517e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.64
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7