NULL pointer dereference in Linux kernel - CVE-2023-52471

 

NULL pointer dereference in Linux kernel - CVE-2023-52471

Published: June 1, 2024 / Updated: May 14, 2025


Vulnerability identifier: #VU90655
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-52471
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the ice_ptp_register_auxbus_driver() and ice_ptp_create_auxbus_device() functions in drivers/net/ethernet/intel/ice/ice_ptp.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
Anolis OS
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for Real Time
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Technical Support Appliance
Storage Copy Data Management
IBM Cloud Pak for Watson AIOps
Robotic Process Automation for Cloud Pak
Juniper Secure Analytics (JSA)
Red Hat OpenShift Container Platform
kernel (Red Hat package)
kernel-rt (Red Hat package)
kernel-debug-modules-extra
kernel-doc
kernel-devel
kernel-headers
kernel-modules
kernel-modules-extra
kernel-tools
kernel-tools-libs
kernel-tools-libs-devel
perf
python3-perf
kernel-abi-stablelists
kernel-debug-modules
kernel-debug-devel
kernel-debug-core
kernel-debug
kernel-cross-headers
kernel-core
kernel
bpftool
IBM Qradar SIEM
IBM Spectrum Protect Plus

How to mitigate CVE-2023-52471

Install update from vendor's website.

Linux kernel - addressed in versions 6.7.2, 6.8
Technical Support Appliance - update to 3.0.1
Juniper Secure Analytics (JSA) - update to 7.5.0 UP10 IF02
Storage Copy Data Management - update to 2.2.24.1
IBM Cloud Pak for Watson AIOps - update to 4.7.0
Red Hat OpenShift Container Platform - addressed in versions 4.13.48, 4.15.28
kernel (Red Hat package) - update to 4.18.0-553.16.1.el8_10
kernel-rt (Red Hat package) - update to 4.18.0-553.16.1.rt7.357.el8_10
kernel-debug-modules-extra - update to 4.18.0-553.16.1.0.1
kernel-doc - update to 4.18.0-553.16.1.0.1
kernel-devel - update to 4.18.0-553.16.1.0.1
kernel-headers - update to 4.18.0-553.16.1.0.1
kernel-modules - update to 4.18.0-553.16.1.0.1
kernel-modules-extra - update to 4.18.0-553.16.1.0.1
kernel-tools - update to 4.18.0-553.16.1.0.1
kernel-tools-libs - update to 4.18.0-553.16.1.0.1
kernel-tools-libs-devel - update to 4.18.0-553.16.1.0.1
perf - update to 4.18.0-553.16.1.0.1
python3-perf - update to 4.18.0-553.16.1.0.1
kernel-abi-stablelists - update to 4.18.0-553.16.1.0.1
kernel-debug-modules - update to 4.18.0-553.16.1.0.1
kernel-debug-devel - update to 4.18.0-553.16.1.0.1
kernel-debug-core - update to 4.18.0-553.16.1.0.1
kernel-debug - update to 4.18.0-553.16.1.0.1
kernel-cross-headers - update to 4.18.0-553.16.1.0.1
kernel-core - update to 4.18.0-553.16.1.0.1
kernel - update to 4.18.0-553.16.1.0.1
bpftool - update to 4.18.0-553.16.1.0.1
IBM Qradar SIEM - update to 7.5.0 Update Pack 10 IF01
IBM Spectrum Protect Plus - update to 10.1.6.4
Robotic Process Automation for Cloud Pak - addressed in versions 21.0.7.18, 23.0.19

External References

Related Security Bulletins