CVE-2026-80643: EDAC/igen6: Fix call trace due to missing release()

mediumCVSS 5.5CVE-2026-80643

CSIRTS triage

vendor: Linux product: Linux kernel Denial of service

What: The EDAC igen6 driver fails to properly release resources, causing a call trace and denial of service condition.
Who is affected: Linux systems with Intel gen6 EDAC memory error detection and correction driver loaded.
Urgency: Medium priority; resource leak can degrade system stability but is not immediately exploitable.
Action: Apply kernel security patch when available or unload the EDAC igen6 driver if not required.

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 5.5
Published: 2026-08-11
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80643

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-2026-806430.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-80643	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

Recent advisories for EDAC/igen6

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-2026-80643: In the Linux kernel, the following vulnerability has been resolved: EDAC/igen6: Fix call trace…nvd · 2026-08-28