What is CVE-2023-1990?

CVE-2023-1990 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10, classified as a Use After Free flaw (CWE-416), affecting Linux kernel versions from Linux Kernel prior to Kernel 6.3 RC3 onward. CVE-2023-1990 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-1990?

CVE-2023-1990 has a CVSS score of 4.7 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2023-1990?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2023-1990 patch availability.

Is CVE-2023-1990 actively exploited?

CVE-2023-1990 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/416.html

CVE-2023-1990

Medium

A use-after-free flaw was found in ndlc_remove in drivers/nfc/st-nci/ndlc.c in the Linux Kernel. This flaw could allow an attacker to crash the system due to a race problem.

Package Linux Kernel

Published 2023-04-12

Last modified 2025-03-19

CVSS version 3.1

Patch available

Not yet patched

CVSS 3.1 score

4.7

out of 10

Medium

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-416

CVE-2023-1990 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

Affected versions

Linux kernel versions Linux Kernel prior to Kernel 6.3 RC3 and later are affected. No fixed version recorded yet.

Affected from

≥ Linux Kernel prior to Kernel 6.3 RC3

References

3 total

Debian Security
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
Debian Security
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
Kernel.org
https://lore.kernel.org/all/20230312160837.2040857-1-zyytlz.wz%40163.com/

Details

CVE ID CVE-2023-1990

Severity Medium

CVSS score 4.7 / 10

CVSS version 3.1

Published 2023-04-12

Modified 2025-03-19

KEV No

Patch

Not yet patched

Package linux

Frequently asked questions

What is CVE-2023-1990?

CVE-2023-1990 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 , classified as an Use After Free flaw (CWE-416) . It affects Linux kernel versions from Linux Kernel prior to Kernel 6.3 RC3 onward . CVE-2023-1990 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-1990?

CVE-2023-1990 has a CVSS score of 4.7 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2023-1990?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2023-1990 patch availability.
Is CVE-2023-1990 actively exploited?

No. CVE-2023-1990 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.