CVE-2023-3338

MediumCVSS 6.5/10Last modified Oct 14, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

Vendor	Product	Versions
n/a	kernel	—
Red Hat	Red Hat Enterprise Linux 6	—
Red Hat	Red Hat Enterprise Linux 7	—
Red Hat	Red Hat Enterprise Linux 7	—
Red Hat	Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 9	—
Red Hat	Red Hat Enterprise Linux 9	—
Fedora	Fedora	—
Siemens	SIMATIC S7-1500 TM MFP - GNU/Linux subsystem	< V1.1

References

https://access.redhat.com/security/cve/CVE-2023-3338Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2218618Issue Tracking
https://lists.debian.org/debian-lts-announce/2023/07/msg00030.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.htmlMailing List, Third Party Advisory
https://seclists.org/oss-sec/2023/q2/276Exploit, Mailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20230824-0005/Third Party Advisory
https://www.debian.org/security/2023/dsa-5480Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-3338Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2218618Issue Tracking
https://lists.debian.org/debian-lts-announce/2023/07/msg00030.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.htmlMailing List, Third Party Advisory
https://seclists.org/oss-sec/2023/q2/276Exploit, Mailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20230824-0005/Third Party Advisory
https://www.debian.org/security/2023/dsa-5480Third Party Advisory
https://cert-portal.siemens.com/productcert/html/ssa-794697.html

Timeline

Published: Jun 30, 2023
Last modified: Oct 14, 2026
NVD status: Modified

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