NULL pointer dereference in Linux kernel - CVE-2024-35946

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Main Vulnerability Database Vulnerabilities #VU90545

NULL pointer dereference in Linux kernel - CVE-2024-35946

Published: May 31, 2024 / Updated: May 14, 2025


Vulnerability identifier: #VU90545
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-2024-35946
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 rtw89_ops_bss_info_changed() and rtw89_ops_remain_on_channel() functions in drivers/net/wireless/realtek/rtw89/mac80211.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Anolis OS
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for ARM 64
Red Hat Enterprise Linux for Real Time
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux Server - AUS
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
SUSE Linux Enterprise Live Patching
SUSE Real Time Module
Public Cloud Module
openSUSE Leap
Ubuntu
IBM Integrated Analytics System
Technical Support Appliance
IBM Cloud Pak for Watson AIOps
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
kernel-livepatch-6_4_0-150600_10_5-rt-debuginfo
kernel-livepatch-6_4_0-150600_10_5-rt
kernel-livepatch-SLE15-SP6-RT_Update_1-debugsource
kernel (Red Hat package)
kernel-rt (Red Hat package)
kernel-tools
kernel-core
kernel-cross-headers
kernel-debug
kernel-debug-core
kernel-debug-devel
kernel-debug-modules
kernel-debug-modules-extra
kernel-devel
kernel-headers
kernel-modules
kernel-modules-extra
kernel-tools-libs
kernel-tools-libs-devel
perf
python3-perf
kernel-abi-stablelists
kernel-doc
kernel
bpftool
kernel-syms-azure
kernel-azure-debuginfo
kernel-azure-extra
kernel-azure-extra-debuginfo
dlm-kmp-azure-debuginfo
dlm-kmp-azure
kernel-azure-optional
ocfs2-kmp-azure-debuginfo
gfs2-kmp-azure
kselftests-kmp-azure-debuginfo
cluster-md-kmp-azure-debuginfo
reiserfs-kmp-azure
gfs2-kmp-azure-debuginfo
kernel-azure-devel-debuginfo
kernel-source-azure
kernel-devel-azure
kernel-azure-vdso
kernel-azure-vdso-debuginfo
kernel-azure
kernel-azure-optional-debuginfo
kselftests-kmp-azure
kernel-azure-debugsource
reiserfs-kmp-azure-debuginfo
ocfs2-kmp-azure
kernel-azure-livepatch-devel
cluster-md-kmp-azure
kernel-azure-devel
kernel-rt-optional-debuginfo
kernel-rt_debug-vdso-debuginfo
kernel-rt_debug-debuginfo
kselftests-kmp-rt
ocfs2-kmp-rt
kernel-rt_debug-devel-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt-devel
gfs2-kmp-rt-debuginfo
kernel-rt-devel-debuginfo
kernel-rt-livepatch-devel
kernel-rt-vdso
dlm-kmp-rt
kernel-rt-extra
dlm-kmp-rt-debuginfo
kernel-rt-debugsource
kernel-syms-rt
kernel-rt-optional
ocfs2-kmp-rt-debuginfo
kernel-devel-rt
kernel-source-rt
kernel-rt_debug
kernel-rt
kselftests-kmp-rt-debuginfo
kernel-rt-extra-debuginfo
gfs2-kmp-rt
kernel-rt_debug-vdso
kernel-rt-debuginfo
kernel-rt_debug-livepatch-devel
reiserfs-kmp-rt
cluster-md-kmp-rt
kernel-rt_debug-devel
reiserfs-kmp-rt-debuginfo
kernel-rt_debug-debugsource
cluster-md-kmp-rt-debuginfo
linux-image-6.8.0-38-generic (Ubuntu package)
linux-image-6.8.0-38-generic-64k (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-generic-64k-hwe-24.04 (Ubuntu package)
linux-image-generic-hwe-24.04 (Ubuntu package)
linux-image-virtual-hwe-24.04 (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-lowlatency-64k (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-6.8.0-38-lowlatency (Ubuntu package)
linux-image-6.8.0-38-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-1006-gke (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-6.8.0-1007-raspi (Ubuntu package)
linux-image-6.8.0-1007-intel (Ubuntu package)
linux-image-ibm-lts-24.04 (Ubuntu package)
linux-image-6.8.0-1008-oem (Ubuntu package)
linux-image-6.8.0-1008-ibm (Ubuntu package)
linux-image-oem-24.04 (Ubuntu package)
linux-image-oem-24.04a (Ubuntu package)
linux-image-ibm-classic (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-oracle-64k (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-6.8.0-1008-oracle-64k (Ubuntu package)
linux-image-6.8.0-1008-oracle (Ubuntu package)
linux-image-nvidia-64k (Ubuntu package)
linux-image-6.8.0-1009-nvidia-64k (Ubuntu package)
linux-image-6.8.0-1009-nvidia (Ubuntu package)
linux-image-nvidia (Ubuntu package)
linux-image-6.8.0-1010-azure-fde (Ubuntu package)
linux-image-azure-fde (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-6.8.0-1010-azure (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-6.8.0-1010-gcp (Ubuntu package)
linux-image-6.8.0-1011-aws (Ubuntu package)
linux-image-aws (Ubuntu package)
Red Hat OpenShift Container Platform
linux-image-intel (Ubuntu package)
IBM Qradar SIEM
IBM Security Guardium

How to mitigate CVE-2024-35946

Install update from vendor's website.

Linux kernel - addressed in versions 6.6.27, 6.8.6
IBM Integrated Analytics System - update to 1.0.31.0
Technical Support Appliance - update to 3.0.1
kernel-livepatch-6_4_0-150600_10_5-rt-debuginfo - update to 1-150600.1.5.1
kernel-livepatch-6_4_0-150600_10_5-rt - update to 1-150600.1.5.1
kernel-livepatch-SLE15-SP6-RT_Update_1-debugsource - update to 1-150600.1.5.1
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, 4.17.32, 4.18.16
kernel (Red Hat package) - addressed in versions 4.18.0-553.16.1.el8_10, 5.14.0-427.70.1.el9_4
kernel-rt (Red Hat package) - update to 4.18.0-553.16.1.rt7.357.el8_10
kernel-tools - update to 4.18.0-553.16.1.0.1
kernel-core - update to 4.18.0-553.16.1.0.1
kernel-cross-headers - update to 4.18.0-553.16.1.0.1
kernel-debug - 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-devel - 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-modules-extra - 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-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-doc - 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
kernel-syms-azure - update to 6.4.0-150600.8.5.1
kernel-azure-debuginfo - update to 6.4.0-150600.8.5.4
kernel-azure-extra - update to 6.4.0-150600.8.5.4
kernel-azure-extra-debuginfo - update to 6.4.0-150600.8.5.4
dlm-kmp-azure-debuginfo - update to 6.4.0-150600.8.5.4
dlm-kmp-azure - update to 6.4.0-150600.8.5.4
kernel-azure-optional - update to 6.4.0-150600.8.5.4
ocfs2-kmp-azure-debuginfo - update to 6.4.0-150600.8.5.4
gfs2-kmp-azure - update to 6.4.0-150600.8.5.4
kselftests-kmp-azure-debuginfo - update to 6.4.0-150600.8.5.4
cluster-md-kmp-azure-debuginfo - update to 6.4.0-150600.8.5.4
reiserfs-kmp-azure - update to 6.4.0-150600.8.5.4
gfs2-kmp-azure-debuginfo - update to 6.4.0-150600.8.5.4
kernel-azure-devel-debuginfo - update to 6.4.0-150600.8.5.4
kernel-source-azure - update to 6.4.0-150600.8.5.4
kernel-devel-azure - update to 6.4.0-150600.8.5.4
kernel-azure-vdso - update to 6.4.0-150600.8.5.4
kernel-azure-vdso-debuginfo - update to 6.4.0-150600.8.5.4
kernel-azure - update to 6.4.0-150600.8.5.4
kernel-azure-optional-debuginfo - update to 6.4.0-150600.8.5.4
kselftests-kmp-azure - update to 6.4.0-150600.8.5.4
kernel-azure-debugsource - update to 6.4.0-150600.8.5.4
reiserfs-kmp-azure-debuginfo - update to 6.4.0-150600.8.5.4
ocfs2-kmp-azure - update to 6.4.0-150600.8.5.4
kernel-azure-livepatch-devel - update to 6.4.0-150600.8.5.4
cluster-md-kmp-azure - update to 6.4.0-150600.8.5.4
kernel-azure-devel - update to 6.4.0-150600.8.5.4
kernel-rt-optional-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt_debug-vdso-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt_debug-debuginfo - update to 6.4.0-150600.10.5.1
kselftests-kmp-rt - update to 6.4.0-150600.10.5.1
ocfs2-kmp-rt - update to 6.4.0-150600.10.5.1
kernel-rt_debug-devel-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt-vdso-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt-devel - update to 6.4.0-150600.10.5.1
gfs2-kmp-rt-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt-devel-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt-livepatch-devel - update to 6.4.0-150600.10.5.1
kernel-rt-vdso - update to 6.4.0-150600.10.5.1
dlm-kmp-rt - update to 6.4.0-150600.10.5.1
kernel-rt-extra - update to 6.4.0-150600.10.5.1
dlm-kmp-rt-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt-debugsource - update to 6.4.0-150600.10.5.1
kernel-syms-rt - update to 6.4.0-150600.10.5.1
kernel-rt-optional - update to 6.4.0-150600.10.5.1
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150600.10.5.1
kernel-devel-rt - update to 6.4.0-150600.10.5.1
kernel-source-rt - update to 6.4.0-150600.10.5.1
kernel-rt_debug - update to 6.4.0-150600.10.5.1
kernel-rt - update to 6.4.0-150600.10.5.1
kselftests-kmp-rt-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt-extra-debuginfo - update to 6.4.0-150600.10.5.1
gfs2-kmp-rt - update to 6.4.0-150600.10.5.1
kernel-rt_debug-vdso - update to 6.4.0-150600.10.5.1
kernel-rt-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt_debug-livepatch-devel - update to 6.4.0-150600.10.5.1
reiserfs-kmp-rt - update to 6.4.0-150600.10.5.1
cluster-md-kmp-rt - update to 6.4.0-150600.10.5.1
kernel-rt_debug-devel - update to 6.4.0-150600.10.5.1
reiserfs-kmp-rt-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt_debug-debugsource - update to 6.4.0-150600.10.5.1
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150600.10.5.1
linux-image-6.8.0-38-generic (Ubuntu package) - update to 6.8.0-38.38
linux-image-6.8.0-38-generic-64k (Ubuntu package) - update to 6.8.0-38.38
linux-image-generic (Ubuntu package) - update to 6.8.0-38.38
linux-image-generic-64k (Ubuntu package) - update to 6.8.0-38.38
linux-image-generic-64k-hwe-24.04 (Ubuntu package) - update to 6.8.0-38.38
linux-image-generic-hwe-24.04 (Ubuntu package) - update to 6.8.0-38.38
linux-image-virtual-hwe-24.04 (Ubuntu package) - update to 6.8.0-38.38
linux-image-virtual (Ubuntu package) - update to 6.8.0-38.38
linux-image-generic-lpae (Ubuntu package) - update to 6.8.0-38.38
linux-image-kvm (Ubuntu package) - update to 6.8.0-38.38
linux-image-lowlatency-64k (Ubuntu package) - update to 6.8.0-38.38.1
linux-image-lowlatency (Ubuntu package) - update to 6.8.0-38.38.1
linux-image-6.8.0-38-lowlatency (Ubuntu package) - update to 6.8.0-38.38.1
linux-image-6.8.0-38-lowlatency-64k (Ubuntu package) - update to 6.8.0-38.38.1
linux-image-6.8.0-1006-gke (Ubuntu package) - update to 6.8.0-1006.9
linux-image-gke (Ubuntu package) - update to 6.8.0-1006.9
linux-image-raspi (Ubuntu package) - update to 6.8.0-1007.7
linux-image-6.8.0-1007-raspi (Ubuntu package) - update to 6.8.0-1007.7
linux-image-intel (Ubuntu package) - update to 6.8.0-1007.14
linux-image-6.8.0-1007-intel (Ubuntu package) - update to 6.8.0-1007.14
linux-image-ibm-lts-24.04 (Ubuntu package) - update to 6.8.0-1008.8
linux-image-6.8.0-1008-oem (Ubuntu package) - update to 6.8.0-1008.8
linux-image-6.8.0-1008-ibm (Ubuntu package) - update to 6.8.0-1008.8
linux-image-oem-24.04 (Ubuntu package) - update to 6.8.0-1008.8
linux-image-oem-24.04a (Ubuntu package) - update to 6.8.0-1008.8
linux-image-ibm-classic (Ubuntu package) - update to 6.8.0-1008.8
linux-image-ibm (Ubuntu package) - update to 6.8.0-1008.8
linux-image-oracle-64k (Ubuntu package) - update to 6.8.0-1008.8
linux-image-oracle (Ubuntu package) - update to 6.8.0-1008.8
linux-image-6.8.0-1008-oracle-64k (Ubuntu package) - update to 6.8.0-1008.8
linux-image-6.8.0-1008-oracle (Ubuntu package) - update to 6.8.0-1008.8
linux-image-nvidia-64k (Ubuntu package) - update to 6.8.0-1009.9
linux-image-6.8.0-1009-nvidia-64k (Ubuntu package) - update to 6.8.0-1009.9
linux-image-6.8.0-1009-nvidia (Ubuntu package) - update to 6.8.0-1009.9
linux-image-nvidia (Ubuntu package) - update to 6.8.0-1009.9
linux-image-6.8.0-1010-azure-fde (Ubuntu package) - update to 6.8.0-1010.10
linux-image-azure-fde (Ubuntu package) - update to 6.8.0-1010.10
linux-image-azure (Ubuntu package) - update to 6.8.0-1010.10
linux-image-6.8.0-1010-azure (Ubuntu package) - update to 6.8.0-1010.10
linux-image-gcp (Ubuntu package) - update to 6.8.0-1010.11
linux-image-6.8.0-1010-gcp (Ubuntu package) - update to 6.8.0-1010.11
linux-image-6.8.0-1011-aws (Ubuntu package) - update to 6.8.0-1011.12
linux-image-aws (Ubuntu package) - update to 6.8.0-1011.12
IBM Qradar SIEM - update to 7.5.0 Update Pack 10 IF01
IBM Security Guardium - addressed in versions 12.0p31, 12.0p106

External References

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