NULL pointer dereference in Linux
CVE-2023-53206
In the Linux kernel, the following vulnerability has been resolved: hwmon: (pmbus_core) Fix NULL pointer dereference Pass i2c_client to _pmbus_is_enabled to drop the assumption that a regulator device is passed in. This will fix the issue of a NULL pointer dereference when called from _pmbus_get_flags.
EPSS: 0.001 (3.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions df5f6b6af01ca326dd4babb287c9580fed0ad3d6, 6.4, 0
- Linux Linux_kernel — versions 6.5
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2023-53206?
- CVE-2023-53206 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2025-09-15.
- How severe is CVE-2023-53206?
- Medium severity. CVSS v3 base score is 5.5 out of 10.