CVE-2023-3338 : A null pointer dereference flaw was found in the Linux kernel's DECnet networkin

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.

Published 2023-06-30 22:15:10

Updated 2023-10-26 20:27:37

Source Red Hat, Inc.

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2023-3338

Debian » Debian Linux » Version: 10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 11.0
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions before (<) 6.5
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Netapp » Active Iq Unified Manager » Version: N/A For Vsphere
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vsphere:*:*
Matching versions

EPSS FAQ

2.31%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 90 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	2.8	3.6	Red Hat, Inc.
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-376

Assigned by: secalert@redhat.com (Secondary)
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by: nvd@nist.gov (Primary)

https://www.debian.org/security/2023/dsa-5480

Debian -- Security Information -- DSA-5480-1 linux
Third Party Advisory

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html

[SECURITY] [DLA 3508-1] linux security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://security.netapp.com/advisory/ntap-20230824-0005/

CVE-2023-3338 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html

[SECURITY] [DLA 3623-1] linux-5.10 security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://bugzilla.redhat.com/show_bug.cgi?id=2218618

2218618 – (CVE-2023-3338) CVE-2023-3338 kernel: DECnet: crash due to a NULL pointer dereference in the dn_nsp_send function
Issue Tracking
https://seclists.org/oss-sec/2023/q2/276

oss-sec: CVE-2023-3338: Linux Kernel NULL Pointer Dereference in DECnet
Exploit;Mailing List;Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-3338

CVE-2023-3338- Red Hat Customer Portal
Third Party Advisory

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