CVE-2025-38408: genirq/irq_sim: Initialize work context pointers properly
CSIRTS triage
- What
- Work context pointers in genirq/irq_sim are not properly initialized, causing memory corruption.
- Who is affected
- Systems using the IRQ simulation framework in affected kernel versions.
- Urgency
- High priority; improper initialization can lead to critical memory corruption and system instability.
- Action
- Apply kernel patch ensuring work context pointers are properly initialized in irq_sim.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-38408
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-2025-384080.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2025-38408 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- high[UPDATE] [hoch] Linux Kernel: Mehrere Schwachstellencert-bund
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