USN-8853-1

It was discovered that OpenSBI did not properly validate the counter index mask in SBI PMU extension requests. An attacker could use this issue to cause a denial of service.

References

Affected packages

Ubuntu:22.04:LTS / opensbi

Package

Name: opensbi
Purl: pkg:deb/ubuntu/opensbi?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

1.3-1ubuntu0.22.04.3

Affected versions

0.*

0.9-2ubuntu2

0.9+160.723aa88ff4-0ubuntu1

0.9+187.52af6e4b52-0ubuntu1

1.*

1.0-1

1.0-3ubuntu1

1.1-0ubuntu0.22.04.1

1.3-1ubuntu0.22.04.1

1.3-1ubuntu0.22.04.2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "opensbi",
            "binary_version": "1.3-1ubuntu0.22.04.3"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2025-63913",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8853-1.json"