CVE-2026-3196
Publication date 3 March 2026
Last updated 26 June 2026
Ubuntu priority
Description
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| qemu | 26.04 LTS resolute |
Vulnerable
|
| 25.10 questing |
Fixed 1:10.1.0+ds-5ubuntu2.6
|
|
| 24.04 LTS noble |
Fixed 1:8.2.2+ds-0ubuntu1.16
|
|
| 22.04 LTS jammy |
Not affected
|
|
| 20.04 LTS focal |
Not affected
|
|
| 18.04 LTS bionic |
Not affected
|
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty |
Not affected
|
Severity score breakdown
CVSS version: CVSS v3.0
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
References
Related Ubuntu Security Notices (USN)
- USN-8161-1
- QEMU vulnerabilities
- 9 April 2026