Memory leak in Linux kernel - CVE-2025-39890

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU116087

Memory leak in Linux kernel - CVE-2025-39890

Published: September 24, 2025


Vulnerability identifier: #VU116087
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-2025-39890
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 ath12k_service_ready_ext_event() function in drivers/net/wireless/ath/ath12k/wmi.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Live Patching
Public Cloud Module
SUSE Real Time Module
Legacy Module
Development Tools Module
Basesystem Module
openSUSE Leap
Ubuntu
kernel-livepatch-6_4_0-150600_23_84-default-debuginfo
kernel-livepatch-SLE15-SP6_Update_19-debugsource
kernel-livepatch-6_4_0-150600_23_84-default
kernel-livepatch-6_4_0-150700_7_19-rt-debuginfo
kernel-livepatch-6_4_0-150700_7_19-rt
kernel-livepatch-SLE15-SP7-RT_Update_5-debugsource
kernel-livepatch-6_4_0-150700_53_19-default-debuginfo
kernel-livepatch-SLE15-SP7_Update_5-debugsource
kernel-livepatch-6_4_0-150700_53_19-default
kernel-kvmsmall
cluster-md-kmp-default-debuginfo
dlm-kmp-default-debuginfo
kernel-obs-qa
kernel-default-livepatch
gfs2-kmp-default
reiserfs-kmp-default-debuginfo
kernel-default
kernel-default-livepatch-devel
kernel-default-optional
kernel-zfcpdump
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
dtb-aarch64
kernel-default-devel-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debuginfo
kernel-kvmsmall-debugsource
cluster-md-kmp-default
kernel-default-debugsource
gfs2-kmp-default-debuginfo
kernel-obs-build-debugsource
kernel-syms
ocfs2-kmp-default-debuginfo
kselftests-kmp-default
dtb-altera
kernel-default-debuginfo
kernel-default-devel
dlm-kmp-default
kselftests-kmp-default-debuginfo
ocfs2-kmp-default
kernel-default-extra-debuginfo
kernel-obs-build
kernel-default-extra
reiserfs-kmp-default
kernel-default-optional-debuginfo
gfs2-kmp-64kb
dtb-apple
dlm-kmp-64kb-debuginfo
gfs2-kmp-64kb-debuginfo
kernel-64kb-optional-debuginfo
ocfs2-kmp-64kb-debuginfo
dtb-cavium
dtb-freescale
dtb-rockchip
dtb-allwinner
dtb-hisilicon
reiserfs-kmp-64kb
dtb-sprd
kernel-64kb-optional
kernel-64kb-devel-debuginfo
dtb-xilinx
kernel-64kb-extra-debuginfo
kernel-64kb-debuginfo
dlm-kmp-64kb
dtb-amd
dtb-qcom
kernel-64kb-devel
dtb-exynos
kernel-debug-vdso-debuginfo
dtb-amazon
dtb-marvell
dtb-nvidia
cluster-md-kmp-64kb-debuginfo
dtb-socionext
ocfs2-kmp-64kb
dtb-arm
dtb-mediatek
dtb-amlogic
kselftests-kmp-64kb
reiserfs-kmp-64kb-debuginfo
dtb-lg
dtb-broadcom
cluster-md-kmp-64kb
kernel-64kb-debugsource
kernel-64kb-extra
dtb-apm
kselftests-kmp-64kb-debuginfo
kernel-debug-debugsource
kernel-docs
kernel-docs-html
kernel-devel
kernel-source-vanilla
kernel-source
kernel-macros
kernel-debug
kernel-debug-devel
kernel-debug-debuginfo
kernel-debug-devel-debuginfo
kernel-kvmsmall-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-default-vdso-debuginfo
kernel-default-vdso
kernel-64kb
kernel-debug-vdso
dtb-renesas
kernel-kvmsmall-devel
kernel-default-base
kernel-default-base-rebuild
kernel-source-rt
kernel-syms-rt
kernel-rt-devel-debuginfo
kernel-rt-devel
cluster-md-kmp-rt-debuginfo
dlm-kmp-rt
dlm-kmp-rt-debuginfo
cluster-md-kmp-rt
gfs2-kmp-rt
kernel-rt-debuginfo
kernel-rt-debugsource
gfs2-kmp-rt-debuginfo
ocfs2-kmp-rt-debuginfo
ocfs2-kmp-rt
kernel-devel-rt
kernel-rt
kernel-syms-azure
kernel-azure
kernel-azure-debugsource
kernel-azure-devel
kernel-azure-devel-debuginfo
kernel-source-azure
kernel-azure-debuginfo
kernel-devel-azure
linux (Ubuntu package)
linux-aws-fips (Ubuntu package)
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-azure (Ubuntu package)
linux-azure-fips (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-oracle-6.14 (Ubuntu package)
linux-raspi (Ubuntu package)

How to mitigate CVE-2025-39890

Install update from vendor's repository.

kernel-livepatch-6_4_0-150600_23_84-default-debuginfo - update to 1-150600.13.3.1
kernel-livepatch-SLE15-SP6_Update_19-debugsource - update to 1-150600.13.3.1
kernel-livepatch-6_4_0-150600_23_84-default - update to 1-150600.13.3.1
kernel-livepatch-6_4_0-150700_7_19-rt-debuginfo - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_7_19-rt - update to 1-150700.1.3.1
kernel-livepatch-SLE15-SP7-RT_Update_5-debugsource - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_53_19-default-debuginfo - update to 1-150700.15.3.1
kernel-livepatch-SLE15-SP7_Update_5-debugsource - update to 1-150700.15.3.1
kernel-livepatch-6_4_0-150700_53_19-default - update to 1-150700.15.3.1
kernel-kvmsmall - update to 6.4.0-150600.23.84.1
cluster-md-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
dlm-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-obs-qa - update to 6.4.0-150600.23.84.1
kernel-default-livepatch - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
gfs2-kmp-default - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
reiserfs-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-default - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-default-livepatch-devel - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-default-optional - update to 6.4.0-150600.23.84.1
kernel-zfcpdump - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-zfcpdump-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-zfcpdump-debugsource - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
dtb-aarch64 - update to 6.4.0-150600.23.84.1
kernel-default-devel-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-kvmsmall-devel-debuginfo - update to 6.4.0-150600.23.84.1
kernel-kvmsmall-debuginfo - update to 6.4.0-150600.23.84.1
kernel-kvmsmall-debugsource - update to 6.4.0-150600.23.84.1
cluster-md-kmp-default - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-default-debugsource - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
gfs2-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-obs-build-debugsource - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-syms - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
ocfs2-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kselftests-kmp-default - update to 6.4.0-150600.23.84.1
dtb-altera - update to 6.4.0-150600.23.84.1
kernel-default-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-default-devel - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
dlm-kmp-default - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kselftests-kmp-default-debuginfo - update to 6.4.0-150600.23.84.1
ocfs2-kmp-default - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-default-extra-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-obs-build - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-default-extra - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
reiserfs-kmp-default - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-default-optional-debuginfo - update to 6.4.0-150600.23.84.1
gfs2-kmp-64kb - update to 6.4.0-150600.23.84.1
dtb-apple - update to 6.4.0-150600.23.84.1
dlm-kmp-64kb-debuginfo - update to 6.4.0-150600.23.84.1
gfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.84.1
kernel-64kb-optional-debuginfo - update to 6.4.0-150600.23.84.1
ocfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.84.1
dtb-cavium - update to 6.4.0-150600.23.84.1
dtb-freescale - update to 6.4.0-150600.23.84.1
dtb-rockchip - update to 6.4.0-150600.23.84.1
dtb-allwinner - update to 6.4.0-150600.23.84.1
dtb-hisilicon - update to 6.4.0-150600.23.84.1
reiserfs-kmp-64kb - update to 6.4.0-150600.23.84.1
dtb-sprd - update to 6.4.0-150600.23.84.1
kernel-64kb-optional - update to 6.4.0-150600.23.84.1
kernel-64kb-devel-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
dtb-xilinx - update to 6.4.0-150600.23.84.1
kernel-64kb-extra-debuginfo - update to 6.4.0-150600.23.84.1
kernel-64kb-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
dlm-kmp-64kb - update to 6.4.0-150600.23.84.1
dtb-amd - update to 6.4.0-150600.23.84.1
dtb-qcom - update to 6.4.0-150600.23.84.1
kernel-64kb-devel - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
dtb-exynos - update to 6.4.0-150600.23.84.1
kernel-debug-vdso-debuginfo - update to 6.4.0-150600.23.84.1
dtb-amazon - update to 6.4.0-150600.23.84.1
dtb-marvell - update to 6.4.0-150600.23.84.1
dtb-nvidia - update to 6.4.0-150600.23.84.1
cluster-md-kmp-64kb-debuginfo - update to 6.4.0-150600.23.84.1
dtb-socionext - update to 6.4.0-150600.23.84.1
ocfs2-kmp-64kb - update to 6.4.0-150600.23.84.1
dtb-arm - update to 6.4.0-150600.23.84.1
dtb-mediatek - update to 6.4.0-150600.23.84.1
dtb-amlogic - update to 6.4.0-150600.23.84.1
kselftests-kmp-64kb - update to 6.4.0-150600.23.84.1
reiserfs-kmp-64kb-debuginfo - update to 6.4.0-150600.23.84.1
dtb-lg - update to 6.4.0-150600.23.84.1
dtb-broadcom - update to 6.4.0-150600.23.84.1
cluster-md-kmp-64kb - update to 6.4.0-150600.23.84.1
kernel-64kb-debugsource - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-64kb-extra - update to 6.4.0-150600.23.84.1
dtb-apm - update to 6.4.0-150600.23.84.1
kselftests-kmp-64kb-debuginfo - update to 6.4.0-150600.23.84.1
kernel-debug-debugsource - update to 6.4.0-150600.23.84.1
kernel-docs - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-docs-html - update to 6.4.0-150600.23.84.1
kernel-devel - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-source-vanilla - update to 6.4.0-150600.23.84.1
kernel-source - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-macros - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-debug - update to 6.4.0-150600.23.84.1
kernel-debug-devel - update to 6.4.0-150600.23.84.1
kernel-debug-debuginfo - update to 6.4.0-150600.23.84.1
kernel-debug-devel-debuginfo - update to 6.4.0-150600.23.84.1
kernel-kvmsmall-vdso-debuginfo - update to 6.4.0-150600.23.84.1
kernel-kvmsmall-vdso - update to 6.4.0-150600.23.84.1
kernel-default-vdso-debuginfo - update to 6.4.0-150600.23.84.1
kernel-default-vdso - update to 6.4.0-150600.23.84.1
kernel-64kb - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.19.1
kernel-debug-vdso - update to 6.4.0-150600.23.84.1
dtb-renesas - update to 6.4.0-150600.23.84.1
kernel-kvmsmall-devel - update to 6.4.0-150600.23.84.1
kernel-default-base - addressed in versions 6.4.0-150600.23.84.1.150600.12.38.1, 6.4.0-150700.53.19.1.150700.17.13.1
kernel-default-base-rebuild - update to 6.4.0-150600.23.84.1.150600.12.38.1
kernel-source-rt - update to 6.4.0-150700.7.19.1
kernel-syms-rt - update to 6.4.0-150700.7.19.1
kernel-rt-devel-debuginfo - update to 6.4.0-150700.7.19.1
kernel-rt-devel - update to 6.4.0-150700.7.19.1
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150700.7.19.1
dlm-kmp-rt - update to 6.4.0-150700.7.19.1
dlm-kmp-rt-debuginfo - update to 6.4.0-150700.7.19.1
cluster-md-kmp-rt - update to 6.4.0-150700.7.19.1
gfs2-kmp-rt - update to 6.4.0-150700.7.19.1
kernel-rt-debuginfo - update to 6.4.0-150700.7.19.1
kernel-rt-debugsource - update to 6.4.0-150700.7.19.1
gfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.19.1
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.19.1
ocfs2-kmp-rt - update to 6.4.0-150700.7.19.1
kernel-devel-rt - update to 6.4.0-150700.7.19.1
kernel-rt - update to 6.4.0-150700.7.19.1
kernel-syms-azure - update to 6.4.0-150700.20.15.1
kernel-azure - update to 6.4.0-150700.20.15.2
kernel-azure-debugsource - update to 6.4.0-150700.20.15.2
kernel-azure-devel - update to 6.4.0-150700.20.15.2
kernel-azure-devel-debuginfo - update to 6.4.0-150700.20.15.2
kernel-source-azure - update to 6.4.0-150700.20.15.2
kernel-azure-debuginfo - update to 6.4.0-150700.20.15.2
kernel-devel-azure - update to 6.4.0-150700.20.15.2
linux (Ubuntu package) - addressed in versions 6.8.0-100.100, 6.8.0-1047.51
linux-aws-fips (Ubuntu package) - addressed in versions 6.8.0-100.100+fips1, 6.8.0-1046.49+fips1
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-azure (Ubuntu package) - update to 6.8.0-1046.52
linux-azure-fips (Ubuntu package) - update to 6.8.0-1046.52+fips1
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-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