Integer overflow in Red Hat Enterprise Linux 10
CVE-2026-3196
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 deni…
Vulnerability class: Integer Overflow
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
References
- patrick@puiterwijk.org (x_refsource_REDHAT, vdb-entry)
- patrick@puiterwijk.org (x_refsource_REDHAT, issue-tracking)
Frequently asked questions
- What is CVE-2026-3196?
- CVE-2026-3196 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2026-06-19.
- How severe is CVE-2026-3196?
- Medium severity. CVSS v3 base score is 5.5 out of 10.