UBUNTU-CVE-2026-3196

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Source
https://ubuntu.com/security/CVE-2026-3196
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3196.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-3196
Upstream
Downstream
Related
Published
2026-03-03T00:00:00Z
Modified
2026-08-27T16:58:44Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:24.04:LTS / qemu

Package

Name
qemu
Purl
pkg:deb/ubuntu/qemu?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:8.2.2+ds-0ubuntu1.16

Affected versions

1:8.*
1:8.0.4+dfsg-1ubuntu3
1:8.0.4+dfsg-1ubuntu4
1:8.0.4+dfsg-1ubuntu5
1:8.1.3+ds-1ubuntu2
1:8.2.1+ds-1ubuntu1
1:8.2.1+ds-1ubuntu8
1:8.2.1+ds-1ubuntu9
1:8.2.2+ds-0ubuntu1
1:8.2.2+ds-0ubuntu1.2
1:8.2.2+ds-0ubuntu1.4
1:8.2.2+ds-0ubuntu1.5
1:8.2.2+ds-0ubuntu1.6
1:8.2.2+ds-0ubuntu1.7
1:8.2.2+ds-0ubuntu1.8
1:8.2.2+ds-0ubuntu1.9
1:8.2.2+ds-0ubuntu1.10
1:8.2.2+ds-0ubuntu1.11
1:8.2.2+ds-0ubuntu1.12
1:8.2.2+ds-0ubuntu1.13
1:8.2.2+ds-0ubuntu1.14
1:8.2.2+ds-0ubuntu1.15

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "qemu-block-extra",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-block-supplemental",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-guest-agent",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-system",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-system-arm",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-system-common",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-system-data",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-system-gui",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-system-mips",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-system-misc",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-system-modules-opengl",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-system-modules-spice",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-system-ppc",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-system-s390x",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-system-sparc",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-system-x86",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-system-x86-xen",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-system-xen",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-user",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-user-binfmt",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-user-static",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        },
        {
            "binary_name": "qemu-utils",
            "binary_version": "1:8.2.2+ds-0ubuntu1.16"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3196.json"

Ubuntu:25.10 / qemu

Package

Name
qemu
Purl
pkg:deb/ubuntu/qemu?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:10.1.0+ds-5ubuntu2.6

Affected versions

1:9.*
1:9.2.1+ds-1ubuntu5
1:10.*
1:10.0.2+ds-1ubuntu1
1:10.0.2+ds-1ubuntu2
1:10.1.0+ds-1ubuntu1
1:10.1.0+ds-5ubuntu1
1:10.1.0+ds-5ubuntu2
1:10.1.0+ds-5ubuntu2.1
1:10.1.0+ds-5ubuntu2.2
1:10.1.0+ds-5ubuntu2.4
1:10.1.0+ds-5ubuntu2.5

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "qemu-block-extra",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-block-supplemental",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-guest-agent",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-system",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-system-arm",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-system-common",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-system-data",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-system-gui",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-system-mips",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-system-misc",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-system-modules-opengl",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-system-modules-spice",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-system-ppc",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-system-riscv",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-system-s390x",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-system-sparc",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-system-x86",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-system-x86-xen",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-system-xen",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-user",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-user-binfmt",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        },
        {
            "binary_name": "qemu-utils",
            "binary_version": "1:10.1.0+ds-5ubuntu2.6"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3196.json"

Ubuntu:26.04:LTS / qemu

Package

Name
qemu
Purl
pkg:deb/ubuntu/qemu?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1:10.*
1:10.1.0+ds-5ubuntu2
1:10.1.0+ds-5ubuntu3
1:10.1.0+ds-5ubuntu4
1:10.1.0+ds-5ubuntu5
1:10.2.1+ds-1ubuntu1
1:10.2.1+ds-1ubuntu2
1:10.2.1+ds-1ubuntu3
1:10.2.1+ds-1ubuntu3.1
1:10.2.1+ds-1ubuntu3.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "qemu-block-extra",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-block-supplemental",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-guest-agent",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-arm",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-common",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-data",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-gui",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-mips",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-misc",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-modules-opengl",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-modules-spice",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-ppc",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-riscv",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-s390x",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-sparc",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-x86",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-x86-xen",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-system-xen",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-user",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-user-binfmt",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "qemu-utils",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        },
        {
            "binary_name": "ubuntu-virt",
            "binary_version": "1:10.2.1+ds-1ubuntu3.2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3196.json"

Ubuntu:26.04:LTS / qemu-hwe

Package

Name
qemu-hwe
Purl
pkg:deb/ubuntu/qemu-hwe?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1:10.*
1:10.2.1+ds-1ubuntu2
1:10.2.1+ds-1ubuntu4
1:10.2.1+ds-1ubuntu4.2
1:10.2.1+ds-1ubuntu4.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "qemu-block-extra-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-block-supplemental-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-guest-agent-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-arm-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-common-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-data-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-gui-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-mips-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-misc-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-modules-opengl-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-modules-spice-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-ppc-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-riscv-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-s390x-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-sparc-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-x86-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-x86-xen-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-system-xen-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-user-binfmt-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-user-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "qemu-utils-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "ubuntu-helper-virt-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        },
        {
            "binary_name": "ubuntu-virt-hwe",
            "binary_version": "1:10.2.1+ds-1ubuntu4.3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3196.json"