CVE & CISA-KEV Catalog

CVE-2026-3196

MEDIUM
5.5
CVSS v3
NVD

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.

CWE-190Integer Overflow

How to fix

Remediation Available
qemuDebian
Fixed in:1:10.2.2+ds-1CVE-2026-3196
qemuUbuntu
Fixed in:1:6.2+dfsg-2ubuntu6.30USN-8161-1
Fixed in:1:8.2.2+ds-0ubuntu1.16USN-8161-1
Fixed in:1:10.1.0+ds-5ubuntu2.6USN-8161-1
qemu-systemUbuntu
Fixed in:1:6.2+dfsg-2ubuntu6.30USN-8161-1
Fixed in:1:8.2.2+ds-0ubuntu1.16USN-8161-1
Fixed in:1:10.1.0+ds-5ubuntu2.6USN-8161-1
qemu-system-armUbuntu
Fixed in:1:6.2+dfsg-2ubuntu6.30USN-8161-1
Fixed in:1:8.2.2+ds-0ubuntu1.16USN-8161-1
Fixed in:1:10.1.0+ds-5ubuntu2.6USN-8161-1
qemu-system-commonUbuntu
Fixed in:1:6.2+dfsg-2ubuntu6.30USN-8161-1
Fixed in:1:8.2.2+ds-0ubuntu1.16USN-8161-1
Fixed in:1:10.1.0+ds-5ubuntu2.6USN-8161-1
qemu-system-dataUbuntu
Fixed in:1:6.2+dfsg-2ubuntu6.30USN-8161-1
Fixed in:1:8.2.2+ds-0ubuntu1.16USN-8161-1
Fixed in:1:10.1.0+ds-5ubuntu2.6USN-8161-1
qemu-system-guiUbuntu
Fixed in:1:6.2+dfsg-2ubuntu6.30USN-8161-1
Fixed in:1:8.2.2+ds-0ubuntu1.16USN-8161-1
Fixed in:1:10.1.0+ds-5ubuntu2.6USN-8161-1
qemu-system-mipsUbuntu
Fixed in:1:6.2+dfsg-2ubuntu6.30USN-8161-1
Fixed in:1:8.2.2+ds-0ubuntu1.16USN-8161-1
Fixed in:1:10.1.0+ds-5ubuntu2.6USN-8161-1
qemu-system-miscUbuntu
Fixed in:1:6.2+dfsg-2ubuntu6.30USN-8161-1
Fixed in:1:8.2.2+ds-0ubuntu1.16USN-8161-1
Fixed in:1:10.1.0+ds-5ubuntu2.6USN-8161-1
qemu-system-modules-openglUbuntu
Fixed in:1:8.2.2+ds-0ubuntu1.16USN-8161-1
Fixed in:1:10.1.0+ds-5ubuntu2.6USN-8161-1
qemu-system-modules-spiceUbuntu
Fixed in:1:8.2.2+ds-0ubuntu1.16USN-8161-1
Fixed in:1:10.1.0+ds-5ubuntu2.6USN-8161-1
qemu-system-ppcUbuntu
Fixed in:1:6.2+dfsg-2ubuntu6.30USN-8161-1
Fixed in:1:8.2.2+ds-0ubuntu1.16USN-8161-1
Fixed in:1:10.1.0+ds-5ubuntu2.6USN-8161-1
qemu-system-riscvUbuntu
Fixed in:1:10.1.0+ds-5ubuntu2.6USN-8161-1
qemu-system-s390xUbuntu
Fixed in:1:6.2+dfsg-2ubuntu6.30USN-8161-1
Fixed in:1:8.2.2+ds-0ubuntu1.16USN-8161-1
Fixed in:1:10.1.0+ds-5ubuntu2.6USN-8161-1
qemu-system-sparcUbuntu
Fixed in:1:6.2+dfsg-2ubuntu6.30USN-8161-1
Fixed in:1:8.2.2+ds-0ubuntu1.16USN-8161-1
Fixed in:1:10.1.0+ds-5ubuntu2.6USN-8161-1
qemu-system-x86Ubuntu
Fixed in:1:6.2+dfsg-2ubuntu6.30USN-8161-1
Fixed in:1:8.2.2+ds-0ubuntu1.16USN-8161-1
Fixed in:1:10.1.0+ds-5ubuntu2.6USN-8161-1
qemu-system-x86-microvmUbuntu
Fixed in:1:6.2+dfsg-2ubuntu6.30USN-8161-1
qemu-system-x86-xenUbuntu
Fixed in:1:6.2+dfsg-2ubuntu6.30USN-8161-1
Fixed in:1:8.2.2+ds-0ubuntu1.16USN-8161-1
Fixed in:1:10.1.0+ds-5ubuntu2.6USN-8161-1
qemu-system-xenUbuntu
Fixed in:1:8.2.2+ds-0ubuntu1.16USN-8161-1
Fixed in:1:10.1.0+ds-5ubuntu2.6USN-8161-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.10%probability of exploitation in 30 days
1stpercentile

Low risk: more likely to be exploited than 1% of all known CVEs.

References

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CVE-2026-3196 severity badge

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-22.