CVE-2018-14656

CVSS V2 Low 2.1 CVSS V3 Medium 5.5
Description
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.
Overview
  • CVE ID
  • CVE-2018-14656
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-10-08T22:29:00
  • Last Modified Date
  • 2023-02-13T04:51:46
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 4.18
cpe:2.3:o:linux:linux_kernel:4.19:rc1:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://seclists.org/oss-sec/2018/q4/9 Mailing List Patch Third Party Advisory
https://lore.kernel.org/lkml/20180828154901.112726-1-jannh@google.com/T/ Patch Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=342db04ae71273322f0011384a9ed414df8bdae4 Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14656 Issue Tracking Patch Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1650 Issue Tracking Patch Third Party Advisory
http://www.securitytracker.com/id/1041804 Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-14656
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14656
History
Created Old Value New Value Data Type Notes
2022-05-10 17:06:21 Added to TrackCVE
2022-12-03 13:02:56 2018-10-08T22:29Z 2018-10-08T22:29:00 CVE Published Date updated
2022-12-03 13:02:56 2019-10-09T23:35:07 CVE Modified Date updated
2022-12-03 13:02:56 Modified Vulnerability Status updated
2023-02-13 05:10:16 2023-02-13T04:51:46 CVE Modified Date updated