What is CVE-2023-22997?

CVE-2023-22997 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476). CVE-2023-22997 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-22997?

CVE-2023-22997 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2023-22997?

No patch is currently available for CVE-2023-22997. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2023-22997 actively exploited?

CVE-2023-22997 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-2023-22997

Medium

In the Linux kernel before 6.1.2, kernel/module/decompress.c misinterprets the module_get_next_page return value (expects it to be NULL in the error case, whereas it is actually an error pointer).

Package Linux Kernel

Published 2023-02-28

Last modified 2025-03-20

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-476

CVE-2023-22997 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-2023-22997 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/v6.x/ChangeLog-6.1.2

Release Notes
Kernel patch commit
https://github.com/torvalds/linux/commit/45af1d7aae7d5520d2858f8517a1342646f015db
Patch

Details

CVE ID CVE-2023-22997

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2023-02-28

Modified 2025-03-20

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-22997?

CVE-2023-22997 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2023-22997 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-22997?

CVE-2023-22997 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2023-22997?

No patch is currently available for CVE-2023-22997. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2023-22997 actively exploited?

No — CVE-2023-22997 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 →