CVE-2026-3196: Red Hat Enterprise Linux 10

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

An integer overflow vulnerability was found in the virtio-snd device via PCM_INFO requests from the guest. A malicious guest can provide out-of-bounds stream counts, potentially leading to unbounded memory allocation on the host and a denial of service condition.

Affected products

• Red Hat Red Hat Enterprise Linux 10
• Red Hat Red Hat Enterprise Linux 6
• Red Hat Red Hat Enterprise Linux 7
• Red Hat Red Hat Enterprise Linux 8
• Red Hat Red Hat Enterprise Linux 9
• Red Hat Red Hat Openshift Container Platform 4

Published 2026-06-19. Last modified 2026-06-22.