What is CVE-2020-14356?

CVE-2020-14356 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476). CVE-2020-14356 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2020-14356?

CVE-2020-14356 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2020-14356?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2020-14356 patch availability.

Is CVE-2020-14356 actively exploited?

CVE-2020-14356 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2020-14356

High

A flaw null pointer dereference in the Linux kernel cgroupv2 subsystem in versions before 5.7.10 was found in the way when reboot the system. A local user could use this flaw to crash the system or escalate their privileges on the system.

Package Linux Kernel

Published 2020-08-19

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-476

CVE-2020-14356 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

References

12 total

Kernel.org
https://bugzilla.kernel.org/show_bug.cgi?id=208003

Exploit Issue Tracking Vendor Advisory
Kernel.org
https://lore.kernel.org/netdev/CAM_iQpUKQJrj8wE+Qa8NGR3P0L+5Uz=qo-O5+k_P60HzTde6aw%40mail.gmail.com/t/

Exploit Vendor Advisory
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1868453

Issue Tracking Patch Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html

Mailing List Third Party Advisory

Showing 5 of 12 references View all on NVD

Details

CVE ID CVE-2020-14356

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2020-08-19

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2020-14356?

CVE-2020-14356 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2020-14356 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2020-14356?

CVE-2020-14356 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2020-14356?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2020-14356 patch availability.
Is CVE-2020-14356 actively exploited?

No. CVE-2020-14356 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.