CVE-2026-72397High· 7.1▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: hwmon: (pmbus/core) honor vrm_version in pmbus_data2reg_vid() pmbus_data2reg_vid() hardcoded the VR11 encoding regardless of the vrm_version configured by the driver, …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 39.1 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 16.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.2%
7.1 → 5.5
high → medium
Last analysed / modified upstream
5.5 → 7.1
medium → high
0.2% → 0.2%
In the Linux kernel, the following vulnerability has been resolved:
hwmon: (pmbus/core) honor vrm_version in pmbus_data2reg_vid()
pmbus_data2reg_vid() hardcoded the VR11 encoding regardless of the vrm_version configured by the driver, while pmbus_reg2data_vid() already switched on it. Any driver that selects a non-VR11 VID mode and exposes a regulator (or hwmon vout setter) sent dangerously wrong codes to PMBUS_VOUT_COMMAND -- e.g. an nvidia195mv part asked for 200 mV got the VR11 clamp to 500 mV encoded as 0xB2, which the chip interprets as 1080 mV.
Mirror pmbus_reg2data_vid() so writes round-trip with reads.
Linux >= 068c227056b9223fea1a759e08db2558d5cbb5ad < cd0e037130806d7714c356eccefac6e1b92dbc34Linux >= 068c227056b9223fea1a759e08db2558d5cbb5ad < 125a5a4ad03c74ced4c2a55db45ef03505362ff9Linux >= 068c227056b9223fea1a759e08db2558d5cbb5ad < 5bd0d47640395f8a8c34446b62d1781b88869dfaLinux >= 068c227056b9223fea1a759e08db2558d5cbb5ad < 828cd614e2af053ca5e1d6da767bbd8a1b5cabfbLinux 4.3Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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