CVE-2023-3338: Crash due to a null pointer dereference in the dn_nsp_send function

Medium severity · published Jun 30, 2023

CVE-2023-3338

Crash due to a null pointer dereference in the dn_nsp_send function

6.5

CVSS

8.5%

EPSS

On KEV

Description

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.

CVSS vector

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

Attack vector

Network

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)8.5% · higher than 95% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Kernel · Linux

before 6.5 · source: NVD

Fedora · Fedora

All versions, or not specified · source: vendor

Active IQ Unified Manager · Netapp

All versions, or not specified · source: NVD

Debian Linux · Debian

10.0; 11.0 · source: NVD

SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · Siemens

before V1.1 · source: CISA

Affected product

Kernel

Linux

All Kernel CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2023-3338

CVE.org

https://www.cve.org/CVERecord?id=CVE-2023-3338

Third Party Advisory

https://access.redhat.com/security/cve/CVE-2023-3338

Issue Tracking

https://bugzilla.redhat.com/show_bug.cgi?id=2218618

Mailing List

https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html

Mailing List

https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html

Exploit

https://seclists.org/oss-sec/2023/q2/276

Third Party Advisory

https://security.netapp.com/advisory/ntap-20230824-0005/