What is CVE-2026-31486?

CVE-2026-31486 is a high-severity vulnerability in Linux, classified under Improper Locking. CVSS score: 7.1/10. Published 2026-04-22.

How severe is CVE-2026-31486?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Linux

CVE-2026-31486

In the Linux kernel, the following vulnerability has been resolved: hwmon: (pmbus/core) Protect regulator operations with mutex The regulator operations pmbus_regulator_get_voltage(), pmbus_regulator_set_voltage(), and pmbus_regulator_li…

EPSS: 0.000 (2.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Linux — versions 3.19, 6.19.11, ddbb4db4ced1ba784fcd3500179a7291b6c5d7b7
Linux Linux_kernel — versions 3.19, 7.0

Weakness classification (CWE)

CWE-667 — Improper Locking

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67

Frequently asked questions

What is CVE-2026-31486?: CVE-2026-31486 is a high-severity vulnerability in Linux, classified under Improper Locking. CVSS score: 7.1/10. Published 2026-04-22.
How severe is CVE-2026-31486?: High severity. CVSS v3 base score is 7.1 out of 10.