CVE-2026-72098: dm-verity: fix buffer overflow in FEC calculation

mediumCVSS 5.7CVE-2026-72098

CSIRTS triage

vendor: Linux product: Linux Kernel Memory corruption

What: Buffer overflow in dm-verity FEC calculation enables memory corruption.
Who is affected: Systems using dm-verity with forward error correction enabled.
Urgency: Moderate priority; buffer overflow can cause denial of service or code execution if exploited.
Action: Apply kernel patch addressing the buffer overflow in dm-verity FEC calculation.

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 5.7
Published: 2026-08-11
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72098

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-2026-720980.65% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 48% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-72098	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

criticalCVE-2026-72098: In the Linux kernel, the following vulnerability has been resolved: dm-verity: fix buffer over…nvd

Recent advisories for dm-verity

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.

criticalCVE-2026-72098: In the Linux kernel, the following vulnerability has been resolved: dm-verity: fix buffer over…nvd · 2026-08-15
unknownCVE-2026-72097: In the Linux kernel, the following vulnerability has been resolved: dm-verity: fix a possible …nvd · 2026-08-15
unknownCVE-2026-72096: In the Linux kernel, the following vulnerability has been resolved: dm-verity: make error coun…nvd · 2026-08-15
mediumCVE-2025-71161: dm-verity: disable recursive forward error correctionmsrc · 2026-08-06