CVE-2026-74405: OPP: Fix race between OPP addition and lookup

mediumCVSS 4.1CVE-2026-74405

CSIRTS triage

vendor: Linux product: Linux kernel Memory corruption

What: The OPP (Operating Performance Points) subsystem has a race condition between adding new operating points and looking them up.
Who is affected: Systems with dynamic voltage and frequency scaling (DVFS) enabled, common on mobile and embedded platforms.
Urgency: Medium severity (CVSS 4.1); no known exploitation but race conditions in frequency scaling can cause system instability.
Action: Apply kernel patch that synchronizes OPP addition and lookup operations.

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 4.1
Published: 2026-08-11
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-74405

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-2026-744050.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-74405	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

highCVE-2026-74405: In the Linux kernel, the following vulnerability has been resolved: OPP: Fix race between OPP …nvd

Recent advisories for OPP

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.

highCVE-2026-74405: In the Linux kernel, the following vulnerability has been resolved: OPP: Fix race between OPP …nvd · 2026-08-15