UBUNTU-CVE-2018-14656

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Source
https://ubuntu.com/security/CVE-2018-14656
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-14656.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-14656
Related
Withdrawn
2025-06-23T15:53:14Z
Published
2018-10-08T22:29:00Z
Modified
2026-02-04T03:13:51Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

A missing address check in the callers of the show_opcodes() in the Linux kernel allows an attacker to dump the kernel memory at an arbitrary kernel address into the dmesg log.

References

Affected packages

Ubuntu:Pro:16.04:LTS / linux-flo

Package

Name
linux-flo
Purl
pkg:deb/ubuntu/linux-flo@3.4.0-5.23?arch=source&distro=esm-apps/xenial

Affected ranges

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

Affected versions

3.*
3.4.0-5.19
3.4.0-5.22
3.4.0-5.23

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-14656.json"

Ubuntu:Pro:16.04:LTS / linux-goldfish

Package

Name
linux-goldfish
Purl
pkg:deb/ubuntu/linux-goldfish@3.4.0-4.27?arch=source&distro=esm-apps/xenial

Affected ranges

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

Affected versions

3.*
3.4.0-4.24
3.4.0-4.26
3.4.0-4.27

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-14656.json"

Ubuntu:Pro:16.04:LTS / linux-mako

Package

Name
linux-mako
Purl
pkg:deb/ubuntu/linux-mako@3.4.0-7.44?arch=source&distro=esm-apps/xenial

Affected ranges

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

Affected versions

3.*
3.4.0-7.39
3.4.0-7.40
3.4.0-7.41
3.4.0-7.44

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-14656.json"