What’s Vulnerable › Vulnerabilities

CVE-2026-110036: Device-mapper-persistent-data: device-mapper-persistent-data: denial of service via crafted block indices

• Severity: low (CVSS 3.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-13 · updated 2026-10-14
• Weakness: CWE-190

Description

A flaw was found in device-mapper-persistent-data. A local attacker can cause a Denial of Service (DoS) by inducing a user or system tool to process crafted device metadata containing an excessively large block index. An arithmetic error in the synchronous block reading logic causes the application to panic and unexpectedly terminate.

Affected products

• Red Hat OpenShift Container Platform 4.18: all versions
• Red Hat Enterprise Linux 10: all versions
• Red Hat Enterprise Linux 7: all versions
• Red Hat Enterprise Linux 8: all versions

References

• https://access.redhat.com/security/cve/CVE-2026-110036
• https://bugzilla.redhat.com/show_bug.cgi?id=2474403
• https://bugzilla.redhat.com/show_bug.cgi?id=2474403

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