// For flags

CVE-2023-2156

Linux Kernel IPv6 RPL Protocol Reachable Assertion Denial-of-Service Vulnerability

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Linux Kernel. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of the RPL protocol. The issue results from the lack of proper handling of user-supplied data, which can result in an assertion failure. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

*Credits: maxpl0it (@maxpl0it)
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-04-18 CVE Reserved
  • 2023-05-04 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-10-19 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-617: Reachable Assertion
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.7 < 5.10.184
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.7 < 5.10.184"
-
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.11 < 5.15.117
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.11 < 5.15.117"
-
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.16 < 6.1.34
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.16 < 6.1.34"
-
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 6.2 < 6.2.13
Search vendor "Linux" for product "Linux Kernel" and version " >= 6.2 < 6.2.13"
-
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 6.3 < 6.3.8
Search vendor "Linux" for product "Linux Kernel" and version " >= 6.3 < 6.3.8"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux
Search vendor "Redhat" for product "Enterprise Linux"
9.0
Search vendor "Redhat" for product "Enterprise Linux" and version "9.0"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
Fedora
Search vendor "Fedoraproject" for product "Fedora"
38
Search vendor "Fedoraproject" for product "Fedora" and version "38"
-
Affected
Debian
Search vendor "Debian"
Debian Linux
Search vendor "Debian" for product "Debian Linux"
10.0
Search vendor "Debian" for product "Debian Linux" and version "10.0"
-
Affected