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CVE-2026-53376: drm/amdkfd: Add upper bound check for num_of_nodes

criticalCVSS 9.8CVE-2026-53376

CSIRTS triage

vendor: Linuxproduct: drm/amdkfdOther
What
This vulnerability involves the lack of an upper bound check for the number of nodes.
Who is affected
Deployments using the drm/amdkfd component.
Urgency
Remediation is necessary to prevent potential issues, although exploitation is not currently reported.
Action
Implement the upper bound check for num_of_nodes.

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
critical — CVSS 9.8
Published
2026-07-14
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-53376

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.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-53376coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

Recent advisories for drm/amdkfd

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.

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