CVE-2026-53061: dm cache: fix dirty mapping checking in passthrough mode switching

mediumCVSS 5.5CVE-2026-53061

CSIRTS triage

Other

What: The vulnerability involves fixing dirty mapping checking in passthrough mode switching.
Who is affected: Deployments using dm cache may be affected.
Urgency: Remediation is medium urgency due to the severity rating of 5.5.
Action: Apply the necessary 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-2026-53061

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-2026-530610.16% 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-2026-53061	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

unknownUSN-8668-1: Linux kernel (GCP) vulnerabilitiesubuntu
unknownMultiple vulnerabilities in Ubuntu Linux kernel (August 21, 2026)cert-fr-avis
unknownUSN-8665-1: Linux kernel (Raspberry Pi) vulnerabilitiesubuntu
unknownUSN-8664-1: Linux kernel (NVIDIA BaseOS) vulnerabilitiesubuntu
unknownUSN-8663-1: Linux kernel (NVIDIA) vulnerabilitiesubuntu
unknownMultiple vulnerabilities in Ubuntu Linux kernel (August 07, 2026)cert-fr-avis
unknownUSN-8620-4: Linux kernel (Intel IoTG) vulnerabilitiesubuntu
unknownUSN-8620-3: Linux kernel (Intel IoTG) vulnerabilitiesubuntu
unknownUSN-8620-2: Linux kernel (Azure FIPS) vulnerabilitiesubuntu
highUSN-8620-1: Linux kernel vulnerabilitiesubuntu
highUSN-8619-1: Linux kernel (HWE) vulnerabilitiesubuntu
highUSN-8595-3: Linux kernel (AWS) vulnerabilitiesubuntu

Recent advisories for dm cache

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-2026-53063: dm cache: fix write hang in passthrough modemsrc · 2026-06-09
highCVE-2026-53265: dm cache policy smq: check allocation under invalidate lockmsrc · 2026-06-09
criticalCVE-2026-53062: dm cache policy smq: fix missing locks in invalidating cache blocksmsrc · 2026-06-09
mediumCVE-2026-53060: dm cache metadata: fix memory leak on metadata abort retrymsrc · 2026-06-09
highCVE-2026-53064: dm cache: fix null-deref with concurrent writes in passthrough modemsrc · 2026-06-09