CVE-2026-68361: hwmon: (corsair-psu) Stop device IO before calling hid_hw_stop

mediumCVSS 6.3CVE-2026-68361

CSIRTS triage

product: Linux kernel (corsair-psu hwmon driver)Denial of service

What: Device I/O not properly stopped before calling hid_hw_stop, leading to potential crash or resource leak during driver unload.
Who is affected: Systems with Corsair power supply hardware monitoring via HID interface during driver removal or system shutdown.
Urgency: Moderate urgency; CVSS 6.3 indicates denial of service through improper I/O sequencing.
Action: Apply Linux kernel patch ensuring device I/O is halted before HID hardware stop in corsair-psu driver.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: medium — CVSS 6.3
Published: 2026-08-11
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68361

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-683610.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 9% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-68361	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

unknownCVE-2026-68361: In the Linux kernel, the following vulnerability has been resolved: hwmon: (corsair-psu) Stop …nvd

Recent advisories for hwmon

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

unknownCVE-2026-74553: In the Linux kernel, the following vulnerability has been resolved: hwmon: (nct6775-core) Fix …nvd · 2026-08-15
unknownCVE-2026-74552: In the Linux kernel, the following vulnerability has been resolved: hwmon: (lm90) Only report …nvd · 2026-08-15
highCVE-2026-74551: In the Linux kernel, the following vulnerability has been resolved: hwmon: (nzxt-smart2) DMA-a…nvd · 2026-08-15
highCVE-2026-74549: In the Linux kernel, the following vulnerability has been resolved: hwmon: (nct6775-core) Prev…nvd · 2026-08-15
unknownCVE-2026-74547: In the Linux kernel, the following vulnerability has been resolved: hwmon: (adt7470) Fix busy-…nvd · 2026-08-15
unknownCVE-2026-74546: In the Linux kernel, the following vulnerability has been resolved: hwmon: (adt7470) Fix divid…nvd · 2026-08-15