Input validation error in Linux kernel - CVE-2024-43839

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Main Vulnerability Database Vulnerabilities #VU96197

Input validation error in Linux kernel - CVE-2024-43839

Published: August 19, 2024 / Updated: May 12, 2025


Vulnerability identifier: #VU96197
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-2024-43839
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Affected software:
Linux kernel
Oracle Linux
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise High Availability Extension 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Real Time 12
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Micro
openSUSE Leap Micro
SUSE Linux Enterprise Workstation Extension 12
SUSE Linux Enterprise Live Patching
Legacy Module
Public Cloud Module
Development Tools Module
Basesystem Module
SUSE Real Time Module
openSUSE Leap
Ubuntu
openEuler
APEX Cloud Platform for Microsoft Azure
OpenManage Network Integration (OMNI)
SmartFabric Storage Software
RecoverPoint for Virtual Machines
IBM API Connect
linux-image-lowlatency-hwe-18.04 (Ubuntu package)
linux-image-raspi-hwe-18.04 (Ubuntu package)
linux-image-5.4.0-1119-raspi (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-5.4.0-1140-azure (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-5.4.0-1135-aws (Ubuntu package)
linux-image-5.4.0-1134-oracle (Ubuntu package)
linux-image-virtual-hwe-18.04 (Ubuntu package)
linux-image-snapdragon-hwe-18.04 (Ubuntu package)
linux-image-5.4.0-1082-ibm (Ubuntu package)
linux-image-5.4.0-1139-gcp (Ubuntu package)
linux-image-5.4.0-200-generic (Ubuntu package)
linux-image-5.4.0-200-lowlatency (Ubuntu package)
linux-image-oem (Ubuntu package)
linux-image-oem-osp1 (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-generic-hwe-18.04 (Ubuntu package)
linux-image-ibm (Ubuntu package)
kgraft-patch-4_12_14-122_228-default
kernel-livepatch-SLE15-SP5_Update_19-debugsource
kernel-livepatch-5_14_21-150500_55_80-default
kernel-livepatch-SLE15-SP5-RT_Update_19-debugsource
kernel-livepatch-5_14_21-150500_13_67-rt
kernel-livepatch-5_14_21-150500_13_67-rt-debuginfo
kernel-livepatch-5_14_21-150500_55_80-default-debuginfo
kernel-livepatch-6_4_0-150600_10_8-rt
kernel-livepatch-6_4_0-150600_10_8-rt-debuginfo
kernel-livepatch-SLE15-SP6-RT_Update_2-debugsource
kernel-livepatch-SLE15-SP6_Update_4-debugsource
kernel-livepatch-6_4_0-150600_23_22-default-debuginfo
kernel-livepatch-6_4_0-150600_23_22-default
kernel-rt-base-debuginfo
kernel-rt-devel
cluster-md-kmp-rt-debuginfo
kernel-rt-debugsource
kernel-rt_debug-debugsource
ocfs2-kmp-rt
ocfs2-kmp-rt-debuginfo
gfs2-kmp-rt
kernel-rt_debug-devel-debuginfo
kernel-syms-rt
kernel-rt-base
gfs2-kmp-rt-debuginfo
kernel-rt-debuginfo
kernel-rt_debug-debuginfo
cluster-md-kmp-rt
dlm-kmp-rt
kernel-rt_debug-devel
kernel-rt-devel-debuginfo
dlm-kmp-rt-debuginfo
kernel-devel-rt
kernel-source-rt
kernel-rt
kernel-rt_debug
kernel-azure
kernel-azure-base
kernel-azure-devel
kernel-azure-debugsource
kernel-syms-azure
kernel-azure-base-debuginfo
kernel-devel-azure
kernel-source-azure
kernel-azure-debuginfo
kernel-default-base-debuginfo
kernel-default-devel-debuginfo
kernel-default-kgraft-devel
kernel-source
kernel-default-kgraft
kernel-macros
kernel-devel
kernel-default
gfs2-kmp-default
dlm-kmp-default-debuginfo
kernel-default-man
kernel-default-extra
ocfs2-kmp-default-debuginfo
cluster-md-kmp-default
kernel-default-debugsource
kernel-default-extra-debuginfo
kernel-default-devel
cluster-md-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
ocfs2-kmp-default
kernel-default-debuginfo
kernel-default-base
dlm-kmp-default
kernel-syms
kernel-docs
kernel-obs-build-debugsource
kernel-obs-build
python3-perf-debuginfo
kernel-debugsource
kernel-debuginfo
bpftool
bpftool-debuginfo
perf
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
kernel
perf-debuginfo
python2-perf
python2-perf-debuginfo
python3-perf
linux-image-generic-lpae (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-5.4.0-200-generic-lpae (Ubuntu package)
linux-image-5.4.0-1044-iot (Ubuntu package)
linux-image-xilinx-zynqmp (Ubuntu package)
linux-image-5.4.0-1054-xilinx-zynqmp (Ubuntu package)
linux-image-ibm-lts-20.04 (Ubuntu package)
linux-image-bluefield (Ubuntu package)
linux-image-5.4.0-1094-bluefield (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-gkeop-5.4 (Ubuntu package)
linux-image-5.4.0-1102-gkeop (Ubuntu package)
linux-image-raspi2 (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-5.4.0-1123-kvm (Ubuntu package)
linux-image-oracle-lts-20.04 (Ubuntu package)
linux-image-aws-lts-20.04 (Ubuntu package)
linux-image-azure-lts-20.04 (Ubuntu package)
linux-image-gcp-lts-20.04 (Ubuntu package)
linux-image-5.4.0-1139-azure (Ubuntu package)
kernel-headers
kernel-rt-extra-debuginfo
kselftests-kmp-rt
kernel-rt-livepatch-devel
kselftests-kmp-rt-debuginfo
reiserfs-kmp-rt
kernel-rt-livepatch
reiserfs-kmp-rt-debuginfo
kernel-rt-extra
kernel-rt-optional
kernel-rt-optional-debuginfo
kernel-rt_debug-livepatch-devel
kernel-rt-vdso
kernel-rt_debug-vdso
kernel-rt_debug-vdso-debuginfo
kernel-rt-vdso-debuginfo
ocfs2-kmp-azure-debuginfo
gfs2-kmp-azure
dlm-kmp-azure
kernel-azure-vdso
kernel-azure-vdso-debuginfo
cluster-md-kmp-azure
kernel-azure-livepatch-devel
kernel-azure-devel-debuginfo
reiserfs-kmp-azure
kernel-azure-extra-debuginfo
kernel-azure-optional
kernel-azure-extra
cluster-md-kmp-azure-debuginfo
reiserfs-kmp-azure-debuginfo
ocfs2-kmp-azure
kselftests-kmp-azure
kernel-azure-optional-debuginfo
gfs2-kmp-azure-debuginfo
dlm-kmp-azure-debuginfo
kselftests-kmp-azure-debuginfo
dtb-xilinx
dtb-qcom
dtb-amd
dtb-altera
dtb-nvidia
dtb-arm
dtb-amlogic
dtb-lg
dtb-amazon
dtb-exynos
dtb-rockchip
kernel-obs-qa
dtb-cavium
dtb-aarch64
dtb-marvell
dtb-apple
dtb-apm
dtb-hisilicon
dtb-mediatek
dtb-freescale
dtb-renesas
dtb-sprd
dtb-socionext
dtb-broadcom
dtb-allwinner
kernel-kvmsmall
kselftests-kmp-default-debuginfo
kernel-default-livepatch
kselftests-kmp-default
reiserfs-kmp-default
kernel-default-optional
kernel-default-livepatch-devel
reiserfs-kmp-default-debuginfo
kernel-default-vdso
kernel-default-optional-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debuginfo
kernel-kvmsmall-debugsource
kernel-kvmsmall-livepatch-devel
kernel-default-vdso-debuginfo
kernel-debug-vdso-debuginfo
kernel-debug-vdso
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-debug-debuginfo
kernel-debug-devel-debuginfo
kernel-debug-debugsource
kernel-debug-livepatch-devel
kernel-debug-devel
kernel-debug
kernel-source-vanilla
kernel-docs-html
dlm-kmp-64kb
kernel-zfcpdump
ocfs2-kmp-64kb
kernel-64kb-devel-debuginfo
kernel-64kb-debuginfo
gfs2-kmp-64kb
kselftests-kmp-64kb
kselftests-kmp-64kb-debuginfo
cluster-md-kmp-64kb
reiserfs-kmp-64kb-debuginfo
dlm-kmp-64kb-debuginfo
kernel-64kb-optional-debuginfo
kernel-64kb-devel
kernel-64kb-debugsource
kernel-64kb-optional
reiserfs-kmp-64kb
cluster-md-kmp-64kb-debuginfo
kernel-64kb-extra
ocfs2-kmp-64kb-debuginfo
gfs2-kmp-64kb-debuginfo
kernel-64kb-livepatch-devel
kernel-64kb-extra-debuginfo
kernel-64kb
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-default-base-rebuild
linux-image-lowlatency-64k (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-5.15.0-125-generic-lpae (Ubuntu package)
linux-image-5.15.0-125-generic (Ubuntu package)
linux-image-5.15.0-125-lowlatency (Ubuntu package)
linux-image-5.15.0-125-lowlatency-64k (Ubuntu package)
linux-image-5.15.0-125-generic-64k (Ubuntu package)
linux-image-oem-20.04d (Ubuntu package)
linux-image-virtual-hwe-20.04 (Ubuntu package)
linux-image-oem-20.04c (Ubuntu package)
linux-image-oem-20.04b (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-5.15.0-1038-xilinx-zynqmp (Ubuntu package)
linux-image-gkeop-5.15 (Ubuntu package)
linux-image-5.15.0-1055-gkeop (Ubuntu package)
linux-image-raspi-nolpae (Ubuntu package)
linux-image-5.15.0-1065-ibm (Ubuntu package)
linux-image-5.15.0-1065-raspi (Ubuntu package)
linux-image-nvidia-lowlatency (Ubuntu package)
linux-image-nvidia (Ubuntu package)
linux-image-5.15.0-1067-nvidia-lowlatency (Ubuntu package)
linux-image-5.15.0-1067-nvidia (Ubuntu package)
linux-image-5.15.0-1067-intel-iotg (Ubuntu package)
linux-image-gke-5.15 (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-5.15.0-1069-kvm (Ubuntu package)
linux-image-5.15.0-1069-gke (Ubuntu package)
linux-image-oracle-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1070-oracle (Ubuntu package)
linux-image-gcp-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1071-gcp (Ubuntu package)
linux-image-aws-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1072-aws (Ubuntu package)
linux-image-azure-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1075-azure (Ubuntu package)
linux-image-5.15.0-1078-azure (Ubuntu package)
linux-image-azure-cvm (Ubuntu package)
linux-image-virtual-hwe-24.04 (Ubuntu package)
linux-image-6.8.0-50-generic (Ubuntu package)
linux-image-6.8.0-50-generic-64k (Ubuntu package)
linux-image-generic-hwe-24.04 (Ubuntu package)
linux-image-generic-64k-hwe-24.04 (Ubuntu package)
linux-image-lowlatency-hwe-24.04 (Ubuntu package)
linux-image-lowlatency-64k-hwe-24.04 (Ubuntu package)
linux-image-6.8.0-50-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-50-lowlatency (Ubuntu package)
linux-image-lowlatency-hwe-22.04 (Ubuntu package)
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package)
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-oem-22.04d (Ubuntu package)
linux-image-oem-22.04c (Ubuntu package)
linux-image-oem-22.04b (Ubuntu package)
linux-image-oem-22.04a (Ubuntu package)
linux-image-oem-22.04 (Ubuntu package)
linux-image-generic-hwe-22.04 (Ubuntu package)
linux-image-generic-64k-hwe-22.04 (Ubuntu package)
linux-image-gkeop-6.8 (Ubuntu package)
linux-image-6.8.0-1002-gkeop (Ubuntu package)
linux-image-6.8.0-1015-gke (Ubuntu package)
linux-image-6.8.0-1016-raspi (Ubuntu package)
linux-image-6.8.0-1017-ibm (Ubuntu package)
linux-image-ibm-classic (Ubuntu package)
linux-image-ibm-lts-24.04 (Ubuntu package)
linux-image-oracle-64k (Ubuntu package)
linux-image-6.8.0-1017-oracle-64k (Ubuntu package)
linux-image-6.8.0-1017-oracle (Ubuntu package)
linux-image-oem-24.04a (Ubuntu package)
linux-image-6.8.0-1018-oem (Ubuntu package)
linux-image-oem-24.04 (Ubuntu package)
linux-image-6.8.0-1019-nvidia-64k (Ubuntu package)
linux-image-6.8.0-1019-nvidia (Ubuntu package)
linux-image-6.8.0-1019-gcp (Ubuntu package)
linux-image-nvidia-64k (Ubuntu package)
linux-image-nvidia-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-1019-nvidia-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-1019-nvidia-lowlatency (Ubuntu package)
linux-image-nvidia-hwe-22.04 (Ubuntu package)
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package)
linux-image-nvidia-64k-6.8 (Ubuntu package)
linux-image-nvidia-6.8 (Ubuntu package)
linux-image-6.8.0-1020-aws (Ubuntu package)
linux-image-6.8.0-1020-azure-fde (Ubuntu package)
linux-image-6.8.0-1020-azure (Ubuntu package)
linux-image-azure-fde (Ubuntu package)
linux-image-intel-iotg (Ubuntu package)
linux-image-intel (Ubuntu package)

Detailed vulnerability description

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

The vulnerability exists due to improper input validation within the bnad_tx_msix_register() and bnad_rx_msix_register() functions in drivers/net/ethernet/brocade/bna/bnad.c. A local user can perform a denial of service (DoS) attack.


How to mitigate CVE-2024-43839

Install update from vendor's website.

Sources