NULL pointer dereference in Linux kernel - CVE-2023-52448

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Main Vulnerability Database Vulnerabilities #VU87741

NULL pointer dereference in Linux kernel - CVE-2023-52448

Published: March 22, 2024


Vulnerability identifier: #VU87741
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2023-52448
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Affected software:
Linux kernel
Anolis OS
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for ARM 64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
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 x86_64
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Slackware Linux
Ubuntu
openEuler
Juniper Secure Analytics (JSA)
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
linux-image-5.4.0-175-generic (Ubuntu package)
linux-image-virtual-hwe-18.04 (Ubuntu package)
linux-image-snapdragon-hwe-18.04 (Ubuntu package)
linux-image-raspi-hwe-18.04 (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-lowlatency-hwe-18.04 (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-generic-hwe-18.04 (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-5.4.0-175-lowlatency (Ubuntu package)
linux-image-oem-osp1 (Ubuntu package)
linux-image-oem (Ubuntu package)
linux-image-5.4.0-1127-azure (Ubuntu package)
linux-image-5.4.0-1126-gcp (Ubuntu package)
linux-image-5.4.0-1122-aws (Ubuntu package)
linux-image-5.4.0-1121-oracle (Ubuntu package)
linux-image-5.4.0-1106-raspi (Ubuntu package)
linux-image-5.4.0-1069-ibm (Ubuntu package)
kernel (Red Hat package)
kernel-rt (Red Hat package)
kernel-tools-libs
bpftool
kernel
kernel-core
kernel-cross-headers
kernel-debug
kernel-debug-core
kernel-debug-modules
kernel-tools
kernel-tools-libs-devel
perf
python3-perf
kernel-abi-stablelists
kernel-doc
kernel-modules-extra
kernel-modules
kernel-headers
kernel-devel
kernel-debug-modules-extra
kernel-debug-devel
linux-image-virtual (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-5.4.0-176-lowlatency (Ubuntu package)
linux-image-5.4.0-176-generic-lpae (Ubuntu package)
linux-image-5.4.0-176-generic (Ubuntu package)
linux-image-5.4.0-1034-iot (Ubuntu package)
linux-image-xilinx-zynqmp (Ubuntu package)
linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package)
linux-image-ibm-lts-20.04 (Ubuntu package)
linux-image-bluefield (Ubuntu package)
linux-image-5.4.0-1082-bluefield (Ubuntu package)
linux-image-gkeop-5.4 (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-5.4.0-1089-gkeop (Ubuntu package)
linux-image-raspi2 (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-5.4.0-1110-kvm (Ubuntu package)
linux-image-oracle-lts-20.04 (Ubuntu package)
linux-image-aws-lts-20.04 (Ubuntu package)
linux-image-gcp-lts-20.04 (Ubuntu package)
linux-image-azure-lts-20.04 (Ubuntu package)
kernel-source
perf-debuginfo
kernel-debugsource
python3-perf-debuginfo
bpftool-debuginfo
kernel-tools-devel
kernel-debuginfo
kernel-tools-debuginfo
kernel-modules-internal
kernel-debug-modules-internal
linux-image-lowlatency-64k (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-oem-20.04b (Ubuntu package)
linux-image-5.15.0-102-generic (Ubuntu package)
linux-image-5.15.0-102-generic-64k (Ubuntu package)
linux-image-virtual-hwe-20.04 (Ubuntu package)
linux-image-oem-20.04d (Ubuntu package)
linux-image-oem-20.04c (Ubuntu package)
linux-image-5.15.0-102-generic-lpae (Ubuntu package)
linux-image-oem-20.04 (Ubuntu package)
linux-image-lowlatency-hwe-20.04 (Ubuntu package)
linux-image-lowlatency-64k-hwe-20.04 (Ubuntu package)
linux-image-generic-lpae-hwe-20.04 (Ubuntu package)
linux-image-generic-hwe-20.04 (Ubuntu package)
linux-image-generic-64k-hwe-20.04 (Ubuntu package)
linux-image-5.15.0-102-lowlatency-64k (Ubuntu package)
linux-image-5.15.0-102-lowlatency (Ubuntu package)
linux-image-gkeop-5.15 (Ubuntu package)
linux-image-5.15.0-1040-gkeop (Ubuntu package)
linux-image-5.15.0-1048-nvidia-lowlatency (Ubuntu package)
linux-image-5.15.0-1048-nvidia (Ubuntu package)
linux-image-nvidia (Ubuntu package)
linux-image-nvidia-lowlatency (Ubuntu package)
linux-image-raspi-nolpae (Ubuntu package)
linux-image-5.15.0-1050-raspi (Ubuntu package)
linux-image-5.15.0-1050-ibm (Ubuntu package)
linux-image-5.15.0-1052-intel-iotg (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-gke-5.15 (Ubuntu package)
linux-image-5.15.0-1054-gke (Ubuntu package)
linux-image-5.15.0-1054-kvm (Ubuntu package)
linux-image-gcp-lts-22.04 (Ubuntu package)
linux-image-oracle-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1055-oracle (Ubuntu package)
linux-image-5.15.0-1055-gcp (Ubuntu package)
linux-image-aws-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1057-aws (Ubuntu package)
linux-image-azure-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1060-azure-fde (Ubuntu package)
linux-image-5.15.0-1060-azure (Ubuntu package)
linux-image-azure-cvm (Ubuntu package)
linux-image-azure-fde (Ubuntu package)
linux-image-azure-fde-lts-22.04 (Ubuntu package)
linux-5.15.160/kernel-modules
linux-5.15.160/kernel-generic
linux-5.15.160/kernel-huge
linux-5.15.160/kernel-headers
linux-image-6.1.0-1035-oem (Ubuntu package)
linux-image-oem-22.04 (Ubuntu package)
linux-image-oem-22.04a (Ubuntu package)
linux-image-oem-22.04b (Ubuntu package)
linux-image-oem-22.04c (Ubuntu package)
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-generic-hwe-22.04 (Ubuntu package)
linux-image-generic-64k-hwe-22.04 (Ubuntu package)
linux-image-6.5.0-41-generic-64k (Ubuntu package)
linux-image-6.5.0-41-generic (Ubuntu package)
linux-image-laptop-23.10 (Ubuntu package)
linux-image-6.5.0-1017-laptop (Ubuntu package)
linux-image-6.5.0-1021-nvidia-64k (Ubuntu package)
linux-image-6.5.0-1021-nvidia (Ubuntu package)
linux-image-nvidia-6.5 (Ubuntu package)
linux-image-nvidia-64k-6.5 (Ubuntu package)
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package)
linux-image-nvidia-hwe-22.04 (Ubuntu package)
linux-image-6.5.0-1022-oem (Ubuntu package)
linux-image-oem-22.04d (Ubuntu package)
Storage Copy Data Management
Technical Support Appliance
IBM Cloud Pak for Watson AIOps
EMC Cloud Tiering Appliance
Red Hat OpenShift Container Platform
OpenShift Virtualization
linux-image-intel-iotg (Ubuntu package)
linux-image-intel (Ubuntu package)
IBM Qradar SIEM

Detailed vulnerability description

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

The vulnerability exists due to a NULL pointer dereference error in gfs2_rgrp_dump() function. A local user can perform a denial of service (DoS) attack.


How to mitigate CVE-2023-52448

Install updates from vendor's website.

Sources