Incorrect calculation in Linux kernel - CVE-2025-37998

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Main Vulnerability Database Vulnerabilities #VU109958

Incorrect calculation in Linux kernel - CVE-2025-37998

Published: May 29, 2025


Vulnerability identifier: #VU109958
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-2025-37998
CWE-ID: CWE-682
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 incorrect calculation within the output_userspace() function in net/openvswitch/actions.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 Workstation Extension 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Micro Extras
SUSE Linux Micro
Legacy Module
Basesystem Module
Development Tools Module
SUSE Linux Enterprise Live Patching
Confidential Computing Module
openSUSE Leap
Ubuntu
Anolis OS
openEuler
kernel-livepatch-6_4_0-150600_23_60-default-debuginfo
kernel-livepatch-SLE15-SP6_Update_13-debugsource
kernel-livepatch-6_4_0-150600_23_60-default
linux-aws-fips (Ubuntu package)
linux (Ubuntu package)
linux-xilinx-zynqmp (Ubuntu package)
linux-intel-iot-realtime (Ubuntu package)
linux-raspi (Ubuntu package)
linux-intel-iotg-5.15 (Ubuntu package)
linux-kvm (Ubuntu package)
linux-azure-fips (Ubuntu package)
linux-azure (Ubuntu package)
linux-azure-5.15 (Ubuntu package)
kernel-devel-rt
kernel-rt
kernel-rt-livepatch
kernel-source-rt
kernel-rt-debuginfo
kernel-rt-debugsource
kernel-rt-devel
kernel-rt-devel-debuginfo
kernel-coco-vdso-debuginfo
kernel-source-coco
kernel-syms-coco
kernel-devel-coco
kernel-coco_debug-debugsource
kernel-coco
kernel-coco_debug
kernel-coco-devel
kernel-coco_debug-debuginfo
kernel-coco_debug-devel-debuginfo
kernel-coco-debuginfo
reiserfs-kmp-coco-debuginfo
kernel-coco-debugsource
kernel-coco_debug-devel
reiserfs-kmp-coco
kernel-obs-qa
dtb-cavium
dtb-sprd
dtb-amlogic
dtb-exynos
dtb-altera
dtb-socionext
dtb-lg
dtb-apple
dtb-arm
dtb-amd
dtb-aarch64
dtb-rockchip
dtb-xilinx
dtb-qcom
dtb-amazon
dtb-hisilicon
dtb-allwinner
dtb-nvidia
dtb-apm
dtb-broadcom
dtb-freescale
dtb-marvell
dtb-mediatek
dtb-renesas
kernel-obs-build-debugsource
kernel-docs
kernel-obs-build
kernel-docs-html
kernel-64kb-extra-debuginfo
kernel-kvmsmall-debugsource
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel
kernel-syms
kernel-64kb
kernel-64kb-optional
kernel-64kb-devel-debuginfo
kernel-debug-vdso-debuginfo
reiserfs-kmp-64kb
dlm-kmp-64kb-debuginfo
kernel-64kb-debuginfo
ocfs2-kmp-64kb
gfs2-kmp-64kb-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-zfcpdump
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-debug-vdso
kernel-debug-debugsource
kernel-debug-debuginfo
kernel-debug-devel
kernel-debug-devel-debuginfo
kernel-debug
kernel-source-vanilla
kernel-devel
kernel-source
kernel-macros
kernel-kvmsmall
kernel-64kb-devel
kernel-64kb-optional-debuginfo
reiserfs-kmp-64kb-debuginfo
kernel-64kb-extra
cluster-md-kmp-64kb-debuginfo
cluster-md-kmp-64kb
kselftests-kmp-64kb-debuginfo
gfs2-kmp-64kb
kernel-64kb-debugsource
dlm-kmp-64kb
kselftests-kmp-64kb
ocfs2-kmp-64kb-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-default-extra
kernel-default-devel-debuginfo
kernel-default-livepatch
kernel-default-extra-debuginfo
kernel-default-vdso
ocfs2-kmp-default-debuginfo
kernel-default-vdso-debuginfo
kernel-default
kernel-default-livepatch-devel
reiserfs-kmp-default-debuginfo
kernel-default-optional
kselftests-kmp-default
cluster-md-kmp-default
kernel-default-debuginfo
kernel-default-devel
ocfs2-kmp-default
gfs2-kmp-default
kernel-default-debugsource
dlm-kmp-default
dlm-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
kernel-default-optional-debuginfo
reiserfs-kmp-default
kselftests-kmp-default-debuginfo
kernel-default-base
kernel-default-base-rebuild
kernel
bpftool
bpftool-debuginfo
kernel-debuginfo
kernel-headers
kernel-debugsource
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python3-perf
python3-perf-debuginfo
kernel-extra-modules
kernel-64k-debug-devel
kernel-64k-devel
kernel-tools-libs
kernel-tools-libs-devel
kernel-64k
kernel-64k-debug
linux-lowlatency (Ubuntu package)
linux-hwe-6.8 (Ubuntu package)
linux-xilinx (Ubuntu package)
linux-aws (Ubuntu package)
linux-gcp (Ubuntu package)
linux-ibm (Ubuntu package)
linux-nvidia-lowlatency (Ubuntu package)
linux-gcp-fips (Ubuntu package)
linux-gcp-6.8 (Ubuntu package)
linux-azure-6.8 (Ubuntu package)
linux-raspi-realtime (Ubuntu package)
linux-realtime-6.8 (Ubuntu package)
linux-hwe-6.14 (Ubuntu package)

How to mitigate CVE-2025-37998

Install update from vendor's website.

kernel-livepatch-6_4_0-150600_23_60-default-debuginfo - update to 1-150600.13.6.4
kernel-livepatch-SLE15-SP6_Update_13-debugsource - update to 1-150600.13.6.4
kernel-livepatch-6_4_0-150600_23_60-default - update to 1-150600.13.6.4
linux-aws-fips (Ubuntu package) - addressed in versions 5.15.0.144.84, 5.15.0-144.157+fips1, 5.15.0.1087.77, 5.15.0-1087.96+fips1, 5.15.0.1088.84, 5.15.0-1088.95+fips1, 6.8.0-100.100+fips1, 6.8.0-1046.49+fips1
linux (Ubuntu package) - addressed in versions 5.15.0.144.130, 5.15.0.144.141, 5.15.0-144.157, 5.15.0-144.157~20.04.1, 5.15.0.144.157~20.04.1, 5.15.0-1030.30, 5.15.0.1030.32, 5.15.0.1041.41, 5.15.0-1041.41, 5.15.0.1041.41~20.04.1, 5.15.0-1041.41~20.04.1, 5.15.0.1070.69, 5.15.0-1070.78, 5.15.0.1080.76, 5.15.0-1080.83, 5.15.0-1080.83~20.04.1, 5.15.0.1080.83~20.04.1, 5.15.0.1082.82, 5.15.0-1082.83, 5.15.0.1083.83, 5.15.0-1083.89, 5.15.0.1085.81, 5.15.0.1085.84, 5.15.0-1085.91, 5.15.0.1085.91~20.04.3, 5.15.0-1085.91~20.04.3, 5.15.0.1087.83, 5.15.0-1087.96, 5.15.0.1087.96~20.04.1, 5.15.0-1087.96~20.04.2, 5.15.0.1088.91, 5.15.0-1088.95, 5.15.0-1088.95~20.04.1, 5.15.0.1088.95~20.04.1, 6.8.0-100.100, 6.8.0-1047.51, 6.14.0-28.28, 6.14.0-1010.10~24.04.1, 6.14.0-1011.11, 6.14.0-1011.11~24.04.1, 6.14.0-1012.12~24.04.1, 6.14.0-1014.15, 6.14.0-1014.15~24.04.1
linux-xilinx-zynqmp (Ubuntu package) - addressed in versions 5.15.0.1052.55, 5.15.0-1052.56
linux-intel-iot-realtime (Ubuntu package) - addressed in versions 5.15.0-1081.83, 5.15.0.1081.85, 5.15.0.1088.92, 5.15.0-1088.97
linux-raspi (Ubuntu package) - addressed in versions 5.15.0.1083.81, 5.15.0-1083.86
linux-intel-iotg-5.15 (Ubuntu package) - addressed in versions 5.15.0-1083.89~20.04.1, 5.15.0.1083.89~20.04.1
linux-kvm (Ubuntu package) - addressed in versions 5.15.0.1084.80, 5.15.0-1084.89
linux-azure-fips (Ubuntu package) - addressed in versions 5.15.0.1094.79, 5.15.0-1094.103+fips1, 6.8.0-1046.52+fips1
linux-azure (Ubuntu package) - addressed in versions 5.15.0.1094.92, 5.15.0-1094.103, 6.8.0-1046.52
linux-azure-5.15 (Ubuntu package) - addressed in versions 5.15.0.1094.103~20.04.1, 5.15.0-1094.103~20.04.1
kernel-devel-rt - update to 6.4.0-33.1
kernel-rt - update to 6.4.0-33.1
kernel-rt-livepatch - update to 6.4.0-33.1
kernel-source-rt - update to 6.4.0-33.1
kernel-rt-debuginfo - update to 6.4.0-33.1
kernel-rt-debugsource - update to 6.4.0-33.1
kernel-rt-devel - update to 6.4.0-33.1
kernel-rt-devel-debuginfo - update to 6.4.0-33.1
kernel-coco-vdso-debuginfo - update to 6.4.0-15061.28.coco15sp6.1
kernel-source-coco - update to 6.4.0-15061.28.coco15sp6.1
kernel-syms-coco - update to 6.4.0-15061.28.coco15sp6.1
kernel-devel-coco - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco_debug-debugsource - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco_debug - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco-devel - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco_debug-debuginfo - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco_debug-devel-debuginfo - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco-debuginfo - update to 6.4.0-15061.28.coco15sp6.1
reiserfs-kmp-coco-debuginfo - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco-debugsource - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco_debug-devel - update to 6.4.0-15061.28.coco15sp6.1
reiserfs-kmp-coco - update to 6.4.0-15061.28.coco15sp6.1
kernel-obs-qa - update to 6.4.0-150600.23.60.2
dtb-cavium - update to 6.4.0-150600.23.60.3
dtb-sprd - update to 6.4.0-150600.23.60.3
dtb-amlogic - update to 6.4.0-150600.23.60.3
dtb-exynos - update to 6.4.0-150600.23.60.3
dtb-altera - update to 6.4.0-150600.23.60.3
dtb-socionext - update to 6.4.0-150600.23.60.3
dtb-lg - update to 6.4.0-150600.23.60.3
dtb-apple - update to 6.4.0-150600.23.60.3
dtb-arm - update to 6.4.0-150600.23.60.3
dtb-amd - update to 6.4.0-150600.23.60.3
dtb-aarch64 - update to 6.4.0-150600.23.60.3
dtb-rockchip - update to 6.4.0-150600.23.60.3
dtb-xilinx - update to 6.4.0-150600.23.60.3
dtb-qcom - update to 6.4.0-150600.23.60.3
dtb-amazon - update to 6.4.0-150600.23.60.3
dtb-hisilicon - update to 6.4.0-150600.23.60.3
dtb-allwinner - update to 6.4.0-150600.23.60.3
dtb-nvidia - update to 6.4.0-150600.23.60.3
dtb-apm - update to 6.4.0-150600.23.60.3
dtb-broadcom - update to 6.4.0-150600.23.60.3
dtb-freescale - update to 6.4.0-150600.23.60.3
dtb-marvell - update to 6.4.0-150600.23.60.3
dtb-mediatek - update to 6.4.0-150600.23.60.3
dtb-renesas - update to 6.4.0-150600.23.60.3
kernel-obs-build-debugsource - update to 6.4.0-150600.23.60.3
kernel-docs - update to 6.4.0-150600.23.60.3
kernel-obs-build - update to 6.4.0-150600.23.60.3
kernel-docs-html - update to 6.4.0-150600.23.60.3
kernel-64kb-extra-debuginfo - update to 6.4.0-150600.23.60.4
kernel-kvmsmall-debugsource - update to 6.4.0-150600.23.60.4
kernel-kvmsmall-debuginfo - update to 6.4.0-150600.23.60.4
kernel-kvmsmall-devel - update to 6.4.0-150600.23.60.4
kernel-syms - update to 6.4.0-150600.23.60.4
kernel-64kb - update to 6.4.0-150600.23.60.4
kernel-64kb-optional - update to 6.4.0-150600.23.60.4
kernel-64kb-devel-debuginfo - update to 6.4.0-150600.23.60.4
kernel-debug-vdso-debuginfo - update to 6.4.0-150600.23.60.4
reiserfs-kmp-64kb - update to 6.4.0-150600.23.60.4
dlm-kmp-64kb-debuginfo - update to 6.4.0-150600.23.60.4
kernel-64kb-debuginfo - update to 6.4.0-150600.23.60.4
ocfs2-kmp-64kb - update to 6.4.0-150600.23.60.4
gfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.60.4
kernel-kvmsmall-devel-debuginfo - update to 6.4.0-150600.23.60.4
kernel-zfcpdump - update to 6.4.0-150600.23.60.4
kernel-kvmsmall-vdso - update to 6.4.0-150600.23.60.4
kernel-kvmsmall-vdso-debuginfo - update to 6.4.0-150600.23.60.4
kernel-debug-vdso - update to 6.4.0-150600.23.60.4
kernel-debug-debugsource - update to 6.4.0-150600.23.60.4
kernel-debug-debuginfo - update to 6.4.0-150600.23.60.4
kernel-debug-devel - update to 6.4.0-150600.23.60.4
kernel-debug-devel-debuginfo - update to 6.4.0-150600.23.60.4
kernel-debug - update to 6.4.0-150600.23.60.4
kernel-source-vanilla - update to 6.4.0-150600.23.60.4
kernel-devel - update to 6.4.0-150600.23.60.4
kernel-source - update to 6.4.0-150600.23.60.4
kernel-macros - update to 6.4.0-150600.23.60.4
kernel-kvmsmall - update to 6.4.0-150600.23.60.4
kernel-64kb-devel - update to 6.4.0-150600.23.60.4
kernel-64kb-optional-debuginfo - update to 6.4.0-150600.23.60.4
reiserfs-kmp-64kb-debuginfo - update to 6.4.0-150600.23.60.4
kernel-64kb-extra - update to 6.4.0-150600.23.60.4
cluster-md-kmp-64kb-debuginfo - update to 6.4.0-150600.23.60.4
cluster-md-kmp-64kb - update to 6.4.0-150600.23.60.4
kselftests-kmp-64kb-debuginfo - update to 6.4.0-150600.23.60.4
gfs2-kmp-64kb - update to 6.4.0-150600.23.60.4
kernel-64kb-debugsource - update to 6.4.0-150600.23.60.4
dlm-kmp-64kb - update to 6.4.0-150600.23.60.4
kselftests-kmp-64kb - update to 6.4.0-150600.23.60.4
ocfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.60.4
kernel-zfcpdump-debugsource - update to 6.4.0-150600.23.60.4
kernel-zfcpdump-debuginfo - update to 6.4.0-150600.23.60.4
kernel-default-extra - update to 6.4.0-150600.23.60.5
kernel-default-devel-debuginfo - update to 6.4.0-150600.23.60.5
kernel-default-livepatch - update to 6.4.0-150600.23.60.5
kernel-default-extra-debuginfo - update to 6.4.0-150600.23.60.5
kernel-default-vdso - update to 6.4.0-150600.23.60.5
ocfs2-kmp-default-debuginfo - update to 6.4.0-150600.23.60.5
kernel-default-vdso-debuginfo - update to 6.4.0-150600.23.60.5
kernel-default - update to 6.4.0-150600.23.60.5
kernel-default-livepatch-devel - update to 6.4.0-150600.23.60.5
reiserfs-kmp-default-debuginfo - update to 6.4.0-150600.23.60.5
kernel-default-optional - update to 6.4.0-150600.23.60.5
kselftests-kmp-default - update to 6.4.0-150600.23.60.5
cluster-md-kmp-default - update to 6.4.0-150600.23.60.5
kernel-default-debuginfo - update to 6.4.0-150600.23.60.5
kernel-default-devel - update to 6.4.0-150600.23.60.5
ocfs2-kmp-default - update to 6.4.0-150600.23.60.5
gfs2-kmp-default - update to 6.4.0-150600.23.60.5
kernel-default-debugsource - update to 6.4.0-150600.23.60.5
dlm-kmp-default - update to 6.4.0-150600.23.60.5
dlm-kmp-default-debuginfo - update to 6.4.0-150600.23.60.5
gfs2-kmp-default-debuginfo - update to 6.4.0-150600.23.60.5
cluster-md-kmp-default-debuginfo - update to 6.4.0-150600.23.60.5
kernel-default-optional-debuginfo - update to 6.4.0-150600.23.60.5
reiserfs-kmp-default - update to 6.4.0-150600.23.60.5
kselftests-kmp-default-debuginfo - update to 6.4.0-150600.23.60.5
kernel-default-base - update to 6.4.0-150600.23.60.5.150600.12.26.4
kernel-default-base-rebuild - update to 6.4.0-150600.23.60.5.150600.12.26.4
kernel-source - addressed in versions 6.6.0-115.0.0.108, 6.6.0-115.0.0.119, 6.6.0-115.0.0.121
kernel - addressed in versions 6.6.0-115.0.0.108, 6.6.0-115.0.0.119, 6.6.0-115.0.0.121
bpftool - addressed in versions 6.6.0-115.0.0.108, 6.6.0-115.0.0.119, 6.6.0-115.0.0.121
bpftool-debuginfo - addressed in versions 6.6.0-115.0.0.108, 6.6.0-115.0.0.119, 6.6.0-115.0.0.121
kernel-debuginfo - addressed in versions 6.6.0-115.0.0.108, 6.6.0-115.0.0.119, 6.6.0-115.0.0.121
kernel-headers - addressed in versions 6.6.0-115.0.0.108, 6.6.0-115.0.0.119, 6.6.0-115.0.0.121
kernel-debugsource - addressed in versions 6.6.0-115.0.0.108, 6.6.0-115.0.0.119, 6.6.0-115.0.0.121
kernel-devel - addressed in versions 6.6.0-115.0.0.108, 6.6.0-115.0.0.119, 6.6.0-115.0.0.121
kernel-tools - addressed in versions 6.6.0-115.0.0.108, 6.6.0-115.0.0.119, 6.6.0-115.0.0.121
kernel-tools-debuginfo - addressed in versions 6.6.0-115.0.0.108, 6.6.0-115.0.0.119, 6.6.0-115.0.0.121
kernel-tools-devel - addressed in versions 6.6.0-115.0.0.108, 6.6.0-115.0.0.119, 6.6.0-115.0.0.121
perf - addressed in versions 6.6.0-115.0.0.108, 6.6.0-115.0.0.119, 6.6.0-115.0.0.121
perf-debuginfo - addressed in versions 6.6.0-115.0.0.108, 6.6.0-115.0.0.119, 6.6.0-115.0.0.121
python3-perf - addressed in versions 6.6.0-115.0.0.108, 6.6.0-115.0.0.119, 6.6.0-115.0.0.121
python3-perf-debuginfo - addressed in versions 6.6.0-115.0.0.108, 6.6.0-115.0.0.119, 6.6.0-115.0.0.121
kernel-extra-modules - update to 6.6.0-115.0.0.121
kernel-debug - update to 6.6.102-5
kernel-64k-debug-devel - update to 6.6.102-5
kernel-64k-devel - update to 6.6.102-5
bpftool - update to 6.6.102-5
kernel - update to 6.6.102-5
kernel-debug-devel - update to 6.6.102-5
kernel-devel - update to 6.6.102-5
kernel-headers - update to 6.6.102-5
kernel-tools - update to 6.6.102-5
kernel-tools-libs - update to 6.6.102-5
kernel-tools-libs-devel - update to 6.6.102-5
perf - update to 6.6.102-5
python3-perf - update to 6.6.102-5
kernel-64k - update to 6.6.102-5
kernel-64k-debug - update to 6.6.102-5
linux-lowlatency (Ubuntu package) - update to 6.8.0-100.100.1
linux-hwe-6.8 (Ubuntu package) - addressed in versions 6.8.0-100.100.1~22.04.1, 6.8.0-100.100~22.04.1
linux-xilinx (Ubuntu package) - addressed in versions 6.8.0.1023.24, 6.8.0-1023.24
linux-aws (Ubuntu package) - addressed in versions 6.8.0-1030.33, 6.8.0-1043.44, 6.8.0-1043.44~22.04.1, 6.8.0-1046.49~22.04.1
linux-gcp (Ubuntu package) - addressed in versions 6.8.0-1043.48, 6.8.0-1047.50~22.04.2
linux-ibm (Ubuntu package) - addressed in versions 6.8.0-1044.44, 6.8.0-1044.44~22.04.1
linux-nvidia-lowlatency (Ubuntu package) - update to 6.8.0-1046.49.1
linux-gcp-fips (Ubuntu package) - update to 6.8.0-1047.50+fips1
linux-gcp-6.8 (Ubuntu package) - update to 6.8.0-1047.50~22.04.2
linux-azure-6.8 (Ubuntu package) - update to 6.8.0-1051.57~22.04.1
linux-raspi-realtime (Ubuntu package) - addressed in versions 6.8.0-2037.38, 6.8.1-1041.42
linux-realtime-6.8 (Ubuntu package) - update to 6.8.1-1041.42~22.04.1
linux-hwe-6.14 (Ubuntu package) - addressed in versions 6.14.0-28.28~24.04.1, 6.14.0-1010.10

External References

Related Security Bulletins