CVE-2023-3338

Public Exploit
Crash due to a null pointer dereference in the dn_nsp_send function

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 11.55% Top 10%
Third-Party Advisory redhat.com Third-Party Advisory debian.org Third-Party Advisory debian.org Third-Party Advisory seclists.org Third-Party Advisory netapp.com Third-Party Advisory debian.org
Affected: n/a kernel
Affected: Red Hat Red Hat Enterprise Linux 6
Affected: Red Hat Red Hat Enterprise Linux 7
Affected: Red Hat Red Hat Enterprise Linux 7
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Fedora Fedora
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/security/cve/CVE-2023-3338 third party advisory vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2218618 issue tracking
https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html third party advisory mailing list
https://seclists.org/oss-sec/2023/q2/276 mailing list third party advisory exploit
https://security.netapp.com/advisory/ntap-20230824-0005/ third party advisory
https://www.debian.org/security/2023/dsa-5480 third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-3338?
CVE-2023-3338 has been scored as a medium severity vulnerability.
How to fix CVE-2023-3338?
To fix CVE-2023-3338, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-3338 being actively exploited in the wild?
It is possible that CVE-2023-3338 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~12% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-3338?
CVE-2023-3338 affects 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.
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