NULL Pointer Dereference Affecting kernel-zfcpdump package, versions <0:5.14.0-284.52.1.el9_2


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.11% (46th percentile)

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  • Snyk IDSNYK-RHEL9-KERNELZFCPDUMP-6232171
  • published8 Feb 2024
  • disclosed11 Dec 2023

Introduced: 11 Dec 2023

CVE-2023-6356  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade RHEL:9 kernel-zfcpdump to version 0:5.14.0-284.52.1.el9_2 or higher.
This issue was patched in RHSA-2024:0723.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-zfcpdump package and not the kernel-zfcpdump package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL pointer dereference in the NVMe driver and causing kernel panic and a denial of service.

CVSS Scores

version 3.1