CVE-2023-53206 — NULL Pointer Dereference in Linux
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 94.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 15
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages4 packages
▶CVEListV5linux/linuxdf5f6b6af01ca326dd4babb287c9580fed0ad3d6 — 7444253cacd92412bc8d33d1c9b5401f52cdf0e2+2
Patches
🔴Vulnerability Details
2OSV▶
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_enab↗2025-09-15
GHSA▶
GHSA-px5w-pf7q-23jq: In the Linux kernel, the following vulnerability has been resolved:
hwmon: (pmbus_core) Fix NULL pointer dereference
Pass i2c_client to _pmbus_is_en↗2025-09-15