CVE-2023-2156

High

A flaw was found in the networking subsystem of the Linux kernel within the handling of the RPL protocol. This issue results from the lack of proper handling of user-supplied data, which can lead to an assertion failure. This may allow an unauthenticated remote attacker to create a denial of service condition on the system.

Package Linux Kernel
Published 2023-05-09
Last modified 2024-11-21
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

7.5

out of 10
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-617

CVE-2023-2156 is classified as CWE-617

See CWE-617 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2023-2156 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2023-2156?

    CVE-2023-2156 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 . CVE-2023-2156 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2023-2156?

    CVE-2023-2156 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2023-2156?

    No patch is currently available for CVE-2023-2156. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2023-2156 actively exploited?

    No — CVE-2023-2156 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.