Memory leak in Linux kernel - CVE-2025-38031

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Main Vulnerability Database Vulnerabilities #VU111418

Memory leak in Linux kernel - CVE-2025-38031

Published: June 19, 2025


Vulnerability identifier: #VU111418
CSH Severity: Low
CVSS v4 BT: 4.3 [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-2025-38031
CWE-ID: CWE-401
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 memory leak within the padata_reorder() function in kernel/padata.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
Debian Linux
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Live Patching
Legacy Module
Development Tools Module
Basesystem Module
Confidential Computing Module
openSUSE Leap
Ubuntu
openEuler
Anolis OS
kernel-livepatch-6_4_0-150600_23_60-default
kernel-livepatch-SLE15-SP6_Update_13-debugsource
kernel-livepatch-6_4_0-150600_23_60-default-debuginfo
python3-perf-debuginfo
perf-debuginfo
perf
kernel-tools-devel
kernel-tools-debuginfo
kernel-tools
kernel-source
kernel-headers
kernel-devel
kernel-debugsource
kernel-debuginfo
kernel
python3-perf
bpftool-debuginfo
bpftool
linux-aws-fips (Ubuntu package)
linux (Ubuntu package)
linux-ibm (Ubuntu package)
linux-nvidia (Ubuntu package)
linux-gke (Ubuntu package)
linux-azure-fips (Ubuntu package)
linux-azure (Ubuntu package)
linux-azure-5.15 (Ubuntu package)
linux (Debian package)
kernel-coco_debug-debuginfo
kernel-source-coco
kernel-devel-coco
kernel-coco_debug-debugsource
kernel-syms-coco
kernel-coco-vdso-debuginfo
reiserfs-kmp-coco
kernel-coco-debugsource
kernel-coco
reiserfs-kmp-coco-debuginfo
kernel-coco-debuginfo
kernel-coco_debug-devel-debuginfo
kernel-coco-devel
kernel-coco_debug-devel
kernel-coco_debug
kernel-obs-qa
dtb-amlogic
dtb-socionext
dtb-sprd
dtb-cavium
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-obs-build
kernel-docs
dtb-aarch64
dtb-amd
dtb-arm
dtb-apple
dtb-lg
dtb-altera
dtb-exynos
kernel-docs-html
kernel-64kb-devel-debuginfo
kernel-64kb-optional
kernel-64kb
kernel-debug
kernel-debug-devel-debuginfo
kernel-debug-devel
kernel-64kb-debuginfo
kernel-debug-debuginfo
kernel-debug-debugsource
kernel-debug-vdso
kernel-macros
kernel-kvmsmall-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-debug-vdso-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debugsource
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel
kernel-syms
reiserfs-kmp-64kb
cluster-md-kmp-64kb
cluster-md-kmp-64kb-debuginfo
kernel-64kb-extra
kselftests-kmp-64kb-debuginfo
reiserfs-kmp-64kb-debuginfo
kernel-64kb-optional-debuginfo
kernel-64kb-debugsource
dlm-kmp-64kb
gfs2-kmp-64kb
kselftests-kmp-64kb
ocfs2-kmp-64kb-debuginfo
kernel-64kb-devel
gfs2-kmp-64kb-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-zfcpdump
ocfs2-kmp-64kb
kernel-kvmsmall
kernel-source-vanilla
dlm-kmp-64kb-debuginfo
kernel-64kb-extra-debuginfo
kernel-default-vdso
kernel-default-extra-debuginfo
kernel-default-vdso-debuginfo
kernel-default-debugsource
kernel-default
kernel-default-extra
kernel-default-livepatch-devel
kernel-default-livepatch
ocfs2-kmp-default-debuginfo
reiserfs-kmp-default-debuginfo
kselftests-kmp-default
gfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
kernel-default-optional-debuginfo
dlm-kmp-default
kernel-default-devel
kernel-default-optional
cluster-md-kmp-default
kernel-default-debuginfo
ocfs2-kmp-default
gfs2-kmp-default
kselftests-kmp-default-debuginfo
reiserfs-kmp-default
kernel-default-devel-debuginfo
dlm-kmp-default-debuginfo
kernel-default-base
kernel-default-base-rebuild
kernel-tools-libs
kernel-tools-libs-devel
kernel-64k
kernel-64k-debug
kernel-64k-debug-devel
kernel-64k-devel
linux-lowlatency (Ubuntu package)
linux-hwe-6.8 (Ubuntu package)
linux-xilinx (Ubuntu package)
linux-aws (Ubuntu package)
linux-gcp (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-aws-6.14 (Ubuntu package)
linux-oem-6.14 (Ubuntu package)
linux-realtime-6.14 (Ubuntu package)
linux-oracle-6.14 (Ubuntu package)
linux-raspi (Ubuntu package)

How to mitigate CVE-2025-38031

Install update from vendor's repository.

kernel-livepatch-6_4_0-150600_23_60-default - 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-debuginfo - update to 1-150600.13.6.4
python3-perf-debuginfo - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173, 6.6.0-99.0.0.91, 6.6.0-99.0.0.102
perf-debuginfo - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173, 6.6.0-99.0.0.91, 6.6.0-99.0.0.102
perf - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173, 6.6.0-99.0.0.91, 6.6.0-99.0.0.102
kernel-tools-devel - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173, 6.6.0-99.0.0.91, 6.6.0-99.0.0.102
kernel-tools-debuginfo - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173, 6.6.0-99.0.0.91, 6.6.0-99.0.0.102
kernel-tools - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173, 6.6.0-99.0.0.91, 6.6.0-99.0.0.102
kernel-source - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173, 6.6.0-99.0.0.91, 6.6.0-99.0.0.102
kernel-headers - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173, 6.6.0-99.0.0.91, 6.6.0-99.0.0.102
kernel-devel - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173, 6.6.0-99.0.0.91, 6.6.0-99.0.0.102
kernel-debugsource - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173, 6.6.0-99.0.0.91, 6.6.0-99.0.0.102
kernel-debuginfo - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173, 6.6.0-99.0.0.91, 6.6.0-99.0.0.102
kernel - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173, 6.6.0-99.0.0.91, 6.6.0-99.0.0.102
python3-perf - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173, 6.6.0-99.0.0.91, 6.6.0-99.0.0.102
bpftool-debuginfo - addressed in versions 5.10.0-270.0.0.173, 6.6.0-99.0.0.91, 6.6.0-99.0.0.102
bpftool - addressed in versions 5.10.0-270.0.0.173, 6.6.0-99.0.0.91, 6.6.0-99.0.0.102
linux-aws-fips (Ubuntu package) - addressed in versions 5.15.0.152.87, 5.15.0-152.162+fips1, 5.15.0.1090.80, 5.15.0.1090.86, 5.15.0-1090.97+fips1, 5.15.0-1090.99+fips1, 6.8.0-100.100+fips1, 6.8.0-1046.49+fips1
linux (Ubuntu package) - addressed in versions 5.15.0.152.133, 5.15.0.152.152, 5.15.0-152.162, 5.15.0.152.162~20.04.1, 5.15.0-152.162~20.04.1, 5.15.0-1032.32, 5.15.0.1032.34, 5.15.0-1043.43, 5.15.0.1043.43, 5.15.0.1043.43~20.04.1, 5.15.0-1043.43~20.04.1, 5.15.0.1054.57, 5.15.0-1054.58, 5.15.0.1073.72, 5.15.0-1073.81, 5.15.0-1083.85, 5.15.0-1083.86~20.04.1, 5.15.0.1083.86~20.04.1, 5.15.0.1083.87, 5.15.0-1085.91~20.04.1, 5.15.0.1085.91~20.04.1, 5.15.0.1088.94~20.04.1, 5.15.0-1088.94~20.04.1, 5.15.0.1090.86, 5.15.0.1090.93, 5.15.0.1090.94, 5.15.0-1090.97, 5.15.0.1090.97~20.04.1, 5.15.0-1090.97~20.04.1, 5.15.0-1090.99, 5.15.0.1090.99~20.04.1, 5.15.0-1090.99~20.04.1, 6.8.0-100.100, 6.8.0-1047.51, 6.14.0-32.32, 6.14.0-32.32.1, 6.14.0-32.32.1~24.04.1, 6.14.0-1012.12~24.04.1, 6.14.0-1013.13, 6.14.0-1016.17, 6.14.0-1016.17~24.04.1
linux-ibm (Ubuntu package) - addressed in versions 5.15.0.1084.80, 5.15.0.1084.82, 5.15.0-1084.87, 5.15.0.1085.85, 5.15.0-1085.91, 5.15.0.1088.84, 5.15.0-1088.94, 6.8.0-1044.44, 6.8.0-1044.44~22.04.1
linux-nvidia (Ubuntu package) - addressed in versions 5.15.0.1085.85, 5.15.0-1085.86
linux-gke (Ubuntu package) - addressed in versions 5.15.0.1086.82, 5.15.0-1086.91, 5.15.0.1087.86, 5.15.0-1087.93
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, 6.14.0-1012.12
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
linux (Debian package) - update to 6.1.147-1
kernel-coco_debug-debuginfo - update to 6.4.0-15061.28.coco15sp6.1
kernel-source-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-syms-coco - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco-vdso-debuginfo - update to 6.4.0-15061.28.coco15sp6.1
reiserfs-kmp-coco - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco-debugsource - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco - update to 6.4.0-15061.28.coco15sp6.1
reiserfs-kmp-coco-debuginfo - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco-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-devel - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco_debug-devel - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco_debug - update to 6.4.0-15061.28.coco15sp6.1
kernel-obs-qa - update to 6.4.0-150600.23.60.2
dtb-amlogic - update to 6.4.0-150600.23.60.3
dtb-socionext - update to 6.4.0-150600.23.60.3
dtb-sprd - update to 6.4.0-150600.23.60.3
dtb-cavium - 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-obs-build - update to 6.4.0-150600.23.60.3
kernel-docs - update to 6.4.0-150600.23.60.3
dtb-aarch64 - update to 6.4.0-150600.23.60.3
dtb-amd - update to 6.4.0-150600.23.60.3
dtb-arm - update to 6.4.0-150600.23.60.3
dtb-apple - update to 6.4.0-150600.23.60.3
dtb-lg - update to 6.4.0-150600.23.60.3
dtb-altera - update to 6.4.0-150600.23.60.3
dtb-exynos - update to 6.4.0-150600.23.60.3
kernel-docs-html - update to 6.4.0-150600.23.60.3
kernel-64kb-devel-debuginfo - update to 6.4.0-150600.23.60.4
kernel-64kb-optional - update to 6.4.0-150600.23.60.4
kernel-64kb - update to 6.4.0-150600.23.60.4
kernel-debug - update to 6.4.0-150600.23.60.4
kernel-source - update to 6.4.0-150600.23.60.4
kernel-debug-devel-debuginfo - update to 6.4.0-150600.23.60.4
kernel-debug-devel - update to 6.4.0-150600.23.60.4
kernel-64kb-debuginfo - update to 6.4.0-150600.23.60.4
kernel-debug-debuginfo - update to 6.4.0-150600.23.60.4
kernel-devel - update to 6.4.0-150600.23.60.4
kernel-debug-debugsource - update to 6.4.0-150600.23.60.4
kernel-debug-vdso - update to 6.4.0-150600.23.60.4
kernel-macros - update to 6.4.0-150600.23.60.4
kernel-kvmsmall-vdso-debuginfo - update to 6.4.0-150600.23.60.4
kernel-kvmsmall-vdso - update to 6.4.0-150600.23.60.4
kernel-debug-vdso-debuginfo - update to 6.4.0-150600.23.60.4
kernel-kvmsmall-devel-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
reiserfs-kmp-64kb - update to 6.4.0-150600.23.60.4
cluster-md-kmp-64kb - update to 6.4.0-150600.23.60.4
cluster-md-kmp-64kb-debuginfo - update to 6.4.0-150600.23.60.4
kernel-64kb-extra - update to 6.4.0-150600.23.60.4
kselftests-kmp-64kb-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-optional-debuginfo - 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
gfs2-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-64kb-devel - update to 6.4.0-150600.23.60.4
gfs2-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-zfcpdump - update to 6.4.0-150600.23.60.4
ocfs2-kmp-64kb - update to 6.4.0-150600.23.60.4
kernel-kvmsmall - update to 6.4.0-150600.23.60.4
kernel-source-vanilla - update to 6.4.0-150600.23.60.4
dlm-kmp-64kb-debuginfo - update to 6.4.0-150600.23.60.4
kernel-64kb-extra-debuginfo - update to 6.4.0-150600.23.60.4
kernel-default-vdso - 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-debuginfo - update to 6.4.0-150600.23.60.5
kernel-default-debugsource - update to 6.4.0-150600.23.60.5
kernel-default - update to 6.4.0-150600.23.60.5
kernel-default-extra - update to 6.4.0-150600.23.60.5
kernel-default-livepatch-devel - update to 6.4.0-150600.23.60.5
kernel-default-livepatch - update to 6.4.0-150600.23.60.5
ocfs2-kmp-default-debuginfo - update to 6.4.0-150600.23.60.5
reiserfs-kmp-default-debuginfo - update to 6.4.0-150600.23.60.5
kselftests-kmp-default - 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
dlm-kmp-default - update to 6.4.0-150600.23.60.5
kernel-default-devel - update to 6.4.0-150600.23.60.5
kernel-default-optional - 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
ocfs2-kmp-default - update to 6.4.0-150600.23.60.5
gfs2-kmp-default - update to 6.4.0-150600.23.60.5
kselftests-kmp-default-debuginfo - update to 6.4.0-150600.23.60.5
reiserfs-kmp-default - update to 6.4.0-150600.23.60.5
kernel-default-devel-debuginfo - update to 6.4.0-150600.23.60.5
dlm-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-tools - update to 6.6.102-5
kernel-debug - 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 - 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
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
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-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-aws-6.14 (Ubuntu package) - addressed in versions 6.14.0-32.32~24.04.1, 6.14.0-1013.13~24.04.1
linux-oem-6.14 (Ubuntu package) - update to 6.14.0-1012.12
linux-realtime-6.14 (Ubuntu package) - update to 6.14.0-1012.12~24.04.1
linux-oracle-6.14 (Ubuntu package) - update to 6.14.0-1013.13~24.04.1
linux-raspi (Ubuntu package) - update to 6.14.0-1014.14

External References

Related Security Bulletins