USN-8659-4

Source
https://ubuntu.com/security/notices/USN-8659-4
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8659-4.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8659-4
Upstream
Related
Published
2026-08-26T00:14:56Z
Modified
2026-08-26T07:15:12.476817715Z
Summary
linux-oracle vulnerability
Details

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-oracle

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.0.0-1010.10

Affected versions

6.*
6.17.0-1002.2
6.17.0-1003.3
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
7.0.0-1005.5
7.0.0-1007.7
7.0.0-1008.8
7.0.0-1009.9

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "linux-buildinfo-7.0.0-1010-oracle",
            "binary_version": "7.0.0-1010.10"
        },
        {
            "binary_name": "linux-buildinfo-7.0.0-1010-oracle-64k",
            "binary_version": "7.0.0-1010.10"
        },
        {
            "binary_name": "linux-headers-7.0.0-1010-oracle",
            "binary_version": "7.0.0-1010.10"
        },
        {
            "binary_name": "linux-headers-7.0.0-1010-oracle-64k",
            "binary_version": "7.0.0-1010.10"
        },
        {
            "binary_name": "linux-image-unsigned-7.0.0-1010-oracle",
            "binary_version": "7.0.0-1010.10"
        },
        {
            "binary_name": "linux-image-unsigned-7.0.0-1010-oracle-64k",
            "binary_version": "7.0.0-1010.10"
        },
        {
            "binary_name": "linux-modules-7.0.0-1010-oracle",
            "binary_version": "7.0.0-1010.10"
        },
        {
            "binary_name": "linux-modules-7.0.0-1010-oracle-64k",
            "binary_version": "7.0.0-1010.10"
        },
        {
            "binary_name": "linux-oracle-headers-7.0.0-1010",
            "binary_version": "7.0.0-1010.10"
        },
        {
            "binary_name": "linux-oracle-tools-7.0.0-1010",
            "binary_version": "7.0.0-1010.10"
        },
        {
            "binary_name": "linux-tools-7.0.0-1010-oracle",
            "binary_version": "7.0.0-1010.10"
        },
        {
            "binary_name": "linux-tools-7.0.0-1010-oracle-64k",
            "binary_version": "7.0.0-1010.10"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map
{
    "cves": [
        {
            "id": "CVE-2026-64531",
            "severity": [
                {
                    "type": "CVSS_V4",
                    "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_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:26.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8659-4.json"