CVE-2023-3338

Crash due to a null pointer dereference in the dn_nsp_send function

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A null pointer dereference flaw was found in the Linux kernel's DECnet networking protocol. This issue could allow a remote user to crash the system.

*Credits: Red Hat would like to thank Davide Ornaghi (Betrusted Srl) for reporting this issue.

CVSS Scores

NISTv3.1 6.5

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

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

2023-06-20 CVE Reserved
2023-06-30 CVE Published
2023-07-11 First Exploit
2024-08-02 CVE Updated
2024-10-04 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (8)

URL	Tag	Source
https://access.redhat.com/security/cve/CVE-2023-3338	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2218618	Issue Tracking
https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html	Mailing List
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html	Mailing List
https://security.netapp.com/advisory/ntap-20230824-0005	Third Party Advisory
https://www.debian.org/security/2023/dsa-5480	Third Party Advisory

URL	Date	SRC
https://github.com/TurtleARM/CVE-2023-3338-DECPwn	2023-07-11
https://seclists.org/oss-sec/2023/q2/276	2024-08-02

URL	Date	SRC

URL	Date	SRC

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"				< 6.5 Search vendor "Linux" for product "Linux Kernel" and version " < 6.5"		-		Affected
Netapp Search vendor "Netapp"		Active Iq Unified Manager Search vendor "Netapp" for product "Active Iq Unified Manager"				-		vsphere		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
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0"		-		Affected