CVE-2026-53237: gpio: mvebu: fix NULL pointer dereference in suspend/resume

mediumCVSS 5.5CVE-2026-53237

CSIRTS triage

Other

What: There is a NULL pointer dereference issue in the suspend/resume functionality.
Who is affected: Deployments using the mvebu GPIO driver.
Urgency: Remediation is necessary due to the medium severity rating.
Action: Apply the relevant patches as they become available.

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

Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: medium — CVSS 5.5
Published: 2026-06-09
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-53237

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-2026-532370.16% 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-2026-53237	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

unknownMultiple vulnerabilities in Microsoft Azure Linux (June 29, 2026)cert-fr-avis

Recent advisories for gpio

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-2026-74733: In the Linux kernel, the following vulnerability has been resolved: gpio: pca953x: fix pca953x…nvd · 2026-08-22
unknownCVE-2026-74468: In the Linux kernel, the following vulnerability has been resolved: gpio: pch: use raw_spinloc…nvd · 2026-08-15
unknownCVE-2026-72324: In the Linux kernel, the following vulnerability has been resolved: gpio: mvebu: free generic …nvd · 2026-08-15
unknownCVE-2026-72063: In the Linux kernel, the following vulnerability has been resolved: gpio: tegra: do not call p…nvd · 2026-08-15
unknownCVE-2026-72062: In the Linux kernel, the following vulnerability has been resolved: gpio: mt7621: avoid corrup…nvd · 2026-08-15
lowCVE-2026-74733: gpio: pca953x: fix pca953x_irq_bus_sync_unlock regmap lockmsrc · 2026-08-11