What is CVE-2020-11668?

CVE-2020-11668 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476). CVE-2020-11668 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2020-11668?

CVE-2020-11668 has a CVSS score of 7.1 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Is there a patch available for CVE-2020-11668?

No patch is currently available for CVE-2020-11668. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2020-11668 actively exploited?

CVE-2020-11668 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-2020-11668

High

In the Linux kernel before 5.6.1, drivers/media/usb/gspca/xirlink_cit.c (aka the Xirlink camera USB driver) mishandles invalid descriptors, aka CID-a246b4d54770.

Package Linux Kernel

Published 2020-04-09

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.1

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-476

CVE-2020-11668 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

The following references provide additional information about CVE-2020-11668 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel.org
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.1

Release Notes Vendor Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
Debian Security
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
Debian Security
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
Security
https://security.netapp.com/advisory/ntap-20200430-0004/
Ubuntu Security
https://usn.ubuntu.com/4345-1/
Ubuntu Security
https://usn.ubuntu.com/4364-1/
Ubuntu Security
https://usn.ubuntu.com/4368-1/
Ubuntu Security
https://usn.ubuntu.com/4369-1/
Debian Security
https://www.debian.org/security/2020/dsa-4698
Kernel patch commit
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a246b4d547708f33ff4d4b9a7a5dbac741dc89d8
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/a246b4d547708f33ff4d4b9a7a5dbac741dc89d8
Patch

Details

CVE ID CVE-2020-11668

Severity High

CVSS score 7.1 / 10

CVSS version 3.1

Published 2020-04-09

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2020-11668?

CVE-2020-11668 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2020-11668 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2020-11668?

CVE-2020-11668 has a CVSS score of 7.1 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:N/I:H/A:H.
Is there a patch available for CVE-2020-11668?

No patch is currently available for CVE-2020-11668. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2020-11668 actively exploited?

No — CVE-2020-11668 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (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. View CWE-476 on MITRE CWE →