UBUNTU-CVE-2025-62626

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2025-62626
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-62626.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-62626
Upstream
  • CVE-2025-62626
Published
2025-11-21T19:16:00Z
Modified
2025-11-27T08:26:27.704917Z
Severity
  • 7.2 (High) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Improper handling of insufficient entropy in the AMD CPUs could allow a local attacker to influence the values returned by the RDSEED instruction, potentially resulting in the consumption of insufficiently random values.

References

Affected packages

Ubuntu:14.04:LTS

amd64-microcode

Package

Name
amd64-microcode
Purl
pkg:deb/ubuntu/amd64-microcode@3.20180524.1~ubuntu0.14.04.2+really20130710.1ubuntu1?arch=source&distro=trusty

Affected ranges

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

Affected versions

1.*

1.20120910-3

2.*

2.20131007.1+really20130710.1

3.*

3.20180524.1~ubuntu0.14.04.1
3.20180524.1~ubuntu0.14.04.2+really20130710.1
3.20180524.1~ubuntu0.14.04.2+really20130710.1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.20180524.1~ubuntu0.14.04.2+really20130710.1ubuntu1",
            "binary_name": "amd64-microcode"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-62626.json"

Ubuntu:20.04:LTS

amd64-microcode

Package

Name
amd64-microcode
Purl
pkg:deb/ubuntu/amd64-microcode@3.20191218.1ubuntu1.3?arch=source&distro=focal

Affected ranges

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

Affected versions

3.*

3.20181128.1ubuntu2
3.20191021.1ubuntu1
3.20191218.1ubuntu1
3.20191218.1ubuntu1.1
3.20191218.1ubuntu1.2
3.20191218.1ubuntu1.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.20191218.1ubuntu1.3",
            "binary_name": "amd64-microcode"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-62626.json"

Ubuntu:22.04:LTS

amd64-microcode

Package

Name
amd64-microcode
Purl
pkg:deb/ubuntu/amd64-microcode@3.20191218.1ubuntu2.3?arch=source&distro=jammy

Affected ranges

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

Affected versions

3.*

3.20191218.1ubuntu2
3.20191218.1ubuntu2.1
3.20191218.1ubuntu2.2
3.20191218.1ubuntu2.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.20191218.1ubuntu2.3",
            "binary_name": "amd64-microcode"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-62626.json"

Ubuntu:24.04:LTS

amd64-microcode

Package

Name
amd64-microcode
Purl
pkg:deb/ubuntu/amd64-microcode@3.20250311.1ubuntu0.24.04.1?arch=source&distro=noble

Affected ranges

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

Affected versions

3.*

3.20230808.1.1ubuntu1
3.20231019.1ubuntu1
3.20231019.1ubuntu2
3.20231019.1ubuntu2.1
3.20250311.1ubuntu0.24.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.20250311.1ubuntu0.24.04.1",
            "binary_name": "amd64-microcode"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-62626.json"

Ubuntu:25.04

amd64-microcode

Package

Name
amd64-microcode
Purl
pkg:deb/ubuntu/amd64-microcode@3.20250708.0ubuntu0.25.04.2?arch=source&distro=plucky

Affected ranges

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

Affected versions

3.*

3.20240116.2+nmu1ubuntu1
3.20240116.2+nmu1ubuntu1.1
3.20240820.1ubuntu1
3.20250311.1ubuntu0.25.04.1
3.20250708.0ubuntu0.25.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.20250708.0ubuntu0.25.04.2",
            "binary_name": "amd64-microcode"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-62626.json"

Ubuntu:25.10

amd64-microcode

Package

Name
amd64-microcode
Purl
pkg:deb/ubuntu/amd64-microcode@3.20250708.1ubuntu1?arch=source&distro=questing

Affected ranges

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

Affected versions

3.*

3.20240820.1ubuntu1
3.20250311.1ubuntu1
3.20250708.1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.20250708.1ubuntu1",
            "binary_name": "amd64-microcode"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-62626.json"

Ubuntu:Pro:16.04:LTS

amd64-microcode

Package

Name
amd64-microcode
Purl
pkg:deb/ubuntu/amd64-microcode@3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm3?arch=source&distro=esm-infra/xenial

Affected ranges

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

Affected versions

2.*

2.20141028.1
2.20160316.1

3.*

3.20180524.1~ubuntu0.16.04.1
3.20180524.1~ubuntu0.16.04.2
3.20191021.1ubuntu0.16.04.1
3.20191021.1+really3.20180524.1~ubuntu0.16.04.2
3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm1
3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm2
3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm3",
            "binary_name": "amd64-microcode"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-62626.json"

Ubuntu:Pro:18.04:LTS

amd64-microcode

Package

Name
amd64-microcode
Purl
pkg:deb/ubuntu/amd64-microcode@3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm3?arch=source&distro=esm-infra/bionic

Affected ranges

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

Affected versions

3.*

3.20160316.3
3.20171205.1
3.20180524.1~ubuntu0.18.04.1
3.20180524.1~ubuntu0.18.04.2
3.20191021.1ubuntu0.18.04.2
3.20191021.1+really3.20181128.1~ubuntu0.18.04.1
3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm1
3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm2
3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm3",
            "binary_name": "amd64-microcode"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-62626.json"