What is CVE-2023-5972?

CVE-2023-5972 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-2023-5972 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-5972?

CVE-2023-5972 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-2023-5972?

No patch is currently available for CVE-2023-5972. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2023-5972 actively exploited?

CVE-2023-5972 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-2023-5972

High

A null pointer dereference flaw was found in the nft_inner.c functionality of netfilter in the Linux kernel. This issue could allow a local user to crash the system or escalate their privileges on the system.

Package Linux Kernel

Published 2023-11-23

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-2023-5972 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-2023-5972 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Red Hat
https://access.redhat.com/security/cve/CVE-2023-5972

Third Party Advisory
Kernel patch commit
https://bugzilla.redhat.com/show_bug.cgi?id=2248189
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/505ce0630ad5d31185695f8a29dde8d29f28faa7
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/52177bbf19e6e9398375a148d2e13ed492b40b80
Patch

Details

CVE ID CVE-2023-5972

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2023-11-23

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-5972?

CVE-2023-5972 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-2023-5972 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-5972?

CVE-2023-5972 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-2023-5972?

No patch is currently available for CVE-2023-5972. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2023-5972 actively exploited?

No — CVE-2023-5972 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 →