# CVE-2026-3196: qemu: An integer overflow vulnerability was found in the virtio-snd device via PCM_INFO requests from the guest

CVE-2026-3196 is fixed in 25 products on 1 platform, first by qemu-block-extra 1:8.2.2+ds-0ubuntu1.16, released April 15, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-3196
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0014
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 2, 2026

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | qemu Debian 13.5 (trixie) | 1:10.0.10+ds-0+deb13u1 | [DEBIAN-CVE-2026-3196](https://patchblox.com/security/data/fix/linux/debian-cve-2026-3196.md) | Jun 24, 2026 |
| Linux | qemu Debian 14 | 1:10.2.2+ds-1 | [DEBIAN-CVE-2026-3196](https://patchblox.com/security/data/fix/linux/debian-cve-2026-3196.md) | Jun 24, 2026 |
| Linux | qemu opensuse-leap 16.0 | 10.0.9-160000.1.1 | [OPENSUSE-SU-2026:20567-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20567-1.md) | Apr 20, 2026 |
| Linux | qemu sles 15.6 | 8.2.10-150600.3.49.1 | [SUSE-SU-2026:2386-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2386-1.md) | Jun 12, 2026 |
| Linux | qemu sles 15.7 | 9.2.4-150700.3.20.1 | [SUSE-SU-2026:2385-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2385-1.md) | Jun 12, 2026 |
| Linux | qemu-block-extra Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-block-extra 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-block-extra-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-block-extra Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-block-extra 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-block-extra-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-block-supplemental Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-block-supplemental 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-block-supplemental-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-block-supplemental Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-block-supplemental 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-block-supplemental-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-guest-agent Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-guest-agent 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-guest-agent-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-guest-agent Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-guest-agent 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-guest-agent-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-linux-user opensuse-leap 16.0 | 10.0.9-160000.1.1 | [OPENSUSE-SU-2026:20567-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20567-1.md) | Apr 20, 2026 |
| Linux | qemu-linux-user sles 15.7 | 9.2.4-150700.3.20.1 | [SUSE-SU-2026:2385-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2385-1.md) | Jun 12, 2026 |
| Linux | qemu-system Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-system 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-system Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-system 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-system-arm Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-system-arm 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-arm-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-system-arm Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-system-arm 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-arm-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-system-common Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-system-common 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-common-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-system-common Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-system-common 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-common-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-system-data Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-system-data 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-data-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-system-data Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-system-data 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-data-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-system-gui Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-system-gui 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-gui-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-system-gui Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-system-gui 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-gui-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-system-mips Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-system-mips 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-mips-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-system-mips Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-system-mips 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-mips-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-system-misc Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-system-misc 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-misc-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-system-misc Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-system-misc 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-misc-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-system-modules-opengl Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-system-modules-opengl 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-modules-opengl-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-system-modules-opengl Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-system-modules-opengl 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-modules-opengl-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-system-modules-spice Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-system-modules-spice 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-modules-spice-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-system-modules-spice Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-system-modules-spice 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-modules-spice-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-system-ppc Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-system-ppc 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-ppc-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-system-ppc Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-system-ppc 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-ppc-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-system-riscv Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-system-riscv 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-riscv-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-system-s390x Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-system-s390x 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-s390x-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-system-s390x Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-system-s390x 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-s390x-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-system-sparc Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-system-sparc 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-sparc-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-system-sparc Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-system-sparc 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-sparc-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-system-x86 Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-system-x86 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-x86-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-system-x86 Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-system-x86 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-x86-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-system-x86-xen Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-system-x86-xen 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-x86-xen-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-system-x86-xen Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-system-x86-xen 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-x86-xen-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-system-xen Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-system-xen 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-xen-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-system-xen Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-system-xen 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-xen-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-user Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-user 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-user-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-user Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-user 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-user-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-user-binfmt Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-user-binfmt 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-user-binfmt-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-user-binfmt Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-user-binfmt 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-user-binfmt-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |
| Linux | qemu-user-static Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-user-static 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-user-static-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-utils Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.16 | [qemu-utils 1:8.2.2+ds-0ubuntu1.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-utils-1-8.2.2-ds-0ubuntu1.16.md) | Apr 15, 2026 |
| Linux | qemu-utils Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.6 | [qemu-utils 1:10.1.0+ds-5ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-utils-1-10.1.0-ds-5ubuntu2.6.md) | Apr 15, 2026 |

---

Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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