CVE-2020-15437

CVSS V2 Medium 4.9 CVSS V3 Medium 4.4
Description
The Linux kernel before version 5.8 is vulnerable to a NULL pointer dereference in drivers/tty/serial/8250/8250_core.c:serial8250_isa_init_ports() that allows local users to cause a denial of service by using the p->serial_in pointer which uninitialized.
Overview
  • CVE ID
  • CVE-2020-15437
  • Assigner
  • securities@openeuler.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-11-23T21:15:11
  • Last Modified Date
  • 2020-12-02T19:24:52
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 5.8
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 4.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 4.4
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://lkml.org/lkml/2020/7/21/80 Exploit Patch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-15437
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15437
History
Created Old Value New Value Data Type Notes
2022-05-10 07:31:36 Added to TrackCVE
2022-12-05 17:13:42 2020-11-23T21:15Z 2020-11-23T21:15:11 CVE Published Date updated
2022-12-05 17:13:42 2020-12-02T19:24:52 CVE Modified Date updated
2022-12-05 17:13:42 Analyzed Vulnerability Status updated