USN-8659-3

A security issue was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystems:

Open vSwitch;

References

Affected packages

Ubuntu:26.04:LTS / linux-azure

Package

Name: linux-azure
Purl: pkg:deb/ubuntu/linux-azure?arch=source&distro=resolute

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

7.0.0-1012.12

Affected versions

6.*

6.17.0-1003.3

6.17.0-1004.4

6.19.0-1001.1

6.19.0-1002.2

7.*

7.0.0-1001.1

7.0.0-1002.2

7.0.0-1003.3

7.0.0-1004.4

7.0.0-1007.7

7.0.0-1009.9

7.0.0-1010.10

7.0.0-1011.11

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "linux-azure-cloud-tools-7.0.0-1012",
            "binary_version": "7.0.0-1012.12"
        },
        {
            "binary_name": "linux-azure-headers-7.0.0-1012",
            "binary_version": "7.0.0-1012.12"
        },
        {
            "binary_name": "linux-azure-tools-7.0.0-1012",
            "binary_version": "7.0.0-1012.12"
        },
        {
            "binary_name": "linux-buildinfo-7.0.0-1012-azure",
            "binary_version": "7.0.0-1012.12"
        },
        {
            "binary_name": "linux-cloud-tools-7.0.0-1012-azure",
            "binary_version": "7.0.0-1012.12"
        },
        {
            "binary_name": "linux-headers-7.0.0-1012-azure",
            "binary_version": "7.0.0-1012.12"
        },
        {
            "binary_name": "linux-image-unsigned-7.0.0-1012-azure",
            "binary_version": "7.0.0-1012.12"
        },
        {
            "binary_name": "linux-modules-7.0.0-1012-azure",
            "binary_version": "7.0.0-1012.12"
        },
        {
            "binary_name": "linux-tools-7.0.0-1012-azure",
            "binary_version": "7.0.0-1012.12"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2026-64531",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                    "type": "CVSS_V4"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:26.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8659-3.json"

Ubuntu:26.04:LTS / linux-azure-fde