CVE-2023-3338

Crash due to a null pointer dereference in the dn_nsp_send function

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.

Affected

Fedora · kernel

CVSS v3.1 NVD

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

EPSS

8.48% chance of exploitation in the next 30 days, 95th percentile

Published

2023-06-30

Updated

2026-10-14

Proof-of-concept exploits (2)

• https://seclists.org/oss-sec/2023/q2/276
• TurtleARM/CVE-2023-3338-DECPwn35★ · 2023-07-11

Security advisories

• https://access.redhat.com/security/cve/CVE-2023-3338
• https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
• https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
• https://security.netapp.com/advisory/ntap-20230824-0005
• https://www.debian.org/security/2023/dsa-5480
• https://bugzilla.redhat.com/show_bug.cgi?id=2218618

References

• CVE Record
• NVD entry

Related

• CVE-2022-1015
• CVE-2023-0179
• CVE-2026-31717
• CVE-2026-68083