CVE-2026-68165: mm/damon/core: validate ranges in damon_set_regions()

CSIRTS triage

What

Improper range validation in the mm/damon/core subsystem can lead to memory safety issues.

Who is affected

Systems running Linux kernel versions with this DAMON subsystem code.

Urgency

High urgency due to the elevated CVSS score of 7.1 and kernel-level exposure.

Action

Update the Linux kernel to a patched version that includes proper range validation in damon_set_regions().

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

Details

Source

Microsoft Security Response Center (INTL · vendor-psirt · site)

Severity

high — CVSS 7.1

Published

2026-08-11

Exploitation

Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68165

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-2026-681650.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all EPSS-scored CVEs.

Referenced CVEs

Same CVEs, other sources

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

• unknownMultiple vulnerabilities in Debian LTS Linux kernel (August 21, 2026)cert-fr-avis
• unknownCVE-2026-68165: In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: validate ra…nvd

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