Improper locking in Linux kernel - CVE-2025-38322

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Main Vulnerability Database Vulnerabilities #VU112786

Improper locking in Linux kernel - CVE-2025-38322

Published: July 11, 2025


Vulnerability identifier: #VU112786
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-2025-38322
CWE-ID: CWE-667
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 improper locking within the intel_pmu_read_event() function in arch/x86/events/intel/core.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
SUSE Linux Enterprise Server 15 SP6
Debian Linux
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Live Patching
Legacy Module
Development Tools Module
Basesystem Module
Public Cloud Module
SUSE Real Time Module
openSUSE Leap
Ubuntu
Anolis OS
openEuler
kernel-livepatch-6_4_0-150600_23_87-default-debuginfo
kernel-livepatch-6_4_0-150600_23_87-default
kernel-livepatch-SLE15-SP6_Update_20-debugsource
kernel-livepatch-6_4_0-150700_7_31-rt-debuginfo
kernel-livepatch-SLE15-SP7-RT_Update_9-debugsource
kernel-livepatch-6_4_0-150700_7_31-rt
kernel-livepatch-SLE15-SP7_Update_9-debugsource
kernel-livepatch-6_4_0-150700_53_31-default
kernel-livepatch-6_4_0-150700_53_31-default-debuginfo
linux (Debian package)
kernel-64kb-debugsource
ocfs2-kmp-default
reiserfs-kmp-default
dlm-kmp-default
kernel-default-debuginfo
reiserfs-kmp-default-debuginfo
kernel-default-livepatch
kernel-obs-build
kernel-zfcpdump-debugsource
dtb-aarch64
dtb-amlogic
kernel-64kb-devel
kernel-64kb-devel-debuginfo
dtb-qcom
kernel-64kb-debuginfo
dtb-marvell
dtb-mediatek
dtb-broadcom
dtb-nvidia
gfs2-kmp-64kb-debuginfo
cluster-md-kmp-64kb
kselftests-kmp-64kb-debuginfo
kernel-zfcpdump-debuginfo
gfs2-kmp-64kb
kernel-debug-devel
kernel-zfcpdump
kernel-kvmsmall
kernel-docs
kernel-source
kernel-source-vanilla
kernel-macros
kernel-docs-html
kernel-devel
kernel-debug
kernel-debug-debuginfo
kernel-debug-devel-debuginfo
kernel-default-extra
kernel-debug-debugsource
kernel-default-vdso-debuginfo
kernel-default-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-debug-vdso-debuginfo
kernel-debug-vdso
kernel-kvmsmall-devel
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debuginfo
kernel-kvmsmall-debugsource
kernel-default-debugsource
reiserfs-kmp-64kb
dtb-freescale
dtb-rockchip
kernel-default-livepatch-devel
dtb-arm
kernel-64kb
kernel-default-devel-debuginfo
kernel-obs-build-debugsource
gfs2-kmp-default
kernel-default-extra-debuginfo
ocfs2-kmp-default-debuginfo
dlm-kmp-default-debuginfo
kselftests-kmp-64kb
kernel-default-optional
cluster-md-kmp-default-debuginfo
kernel-default
kernel-syms
kselftests-kmp-default
kselftests-kmp-default-debuginfo
cluster-md-kmp-default
gfs2-kmp-default-debuginfo
kernel-default-devel
kernel-obs-qa
kernel-default-optional-debuginfo
kernel-64kb-extra-debuginfo
dtb-amazon
dtb-hisilicon
kernel-64kb-optional-debuginfo
dlm-kmp-64kb
dtb-lg
dtb-renesas
cluster-md-kmp-64kb-debuginfo
dtb-apm
dtb-altera
dtb-amd
reiserfs-kmp-64kb-debuginfo
dtb-sprd
dtb-allwinner
dtb-socionext
ocfs2-kmp-64kb-debuginfo
dtb-cavium
kernel-64kb-extra
kernel-64kb-optional
dtb-apple
ocfs2-kmp-64kb
dtb-exynos
dtb-xilinx
dlm-kmp-64kb-debuginfo
kernel-default-base-rebuild
kernel-default-base
kernel-syms-rt
kernel-devel-rt
kernel-source-rt
kernel-rt
dlm-kmp-rt
kernel-rt-debugsource
cluster-md-kmp-rt-debuginfo
ocfs2-kmp-rt
gfs2-kmp-rt-debuginfo
kernel-rt-debuginfo
ocfs2-kmp-rt-debuginfo
dlm-kmp-rt-debuginfo
gfs2-kmp-rt
kernel-rt-devel
cluster-md-kmp-rt
kernel-rt-devel-debuginfo
kernel-source-azure
kernel-azure
kernel-azure-debuginfo
kernel-azure-devel
kernel-syms-azure
kernel-azure-debugsource
kernel-azure-devel-debuginfo
kernel-devel-azure
bpftool
kernel-tools-devel
kernel-debugsource
kernel-debuginfo
bpftool-debuginfo
kernel
kernel-headers
perf
perf-debuginfo
python3-perf
python3-perf-debuginfo
kernel-tools-debuginfo
kernel-tools
kernel-extra-modules
kernel-64k-devel
kernel-64k-debug-devel
kernel-64k-debug
kernel-64k
kernel-tools-libs-devel
kernel-tools-libs
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-hwe-6.14 (Ubuntu package)
linux-realtime-6.14 (Ubuntu package)
linux-aws-6.14 (Ubuntu package)
linux-gcp-6.14 (Ubuntu package)

How to mitigate CVE-2025-38322

Install update from vendor's repository.

kernel-livepatch-6_4_0-150600_23_87-default-debuginfo - update to 1-150600.13.3.1
kernel-livepatch-6_4_0-150600_23_87-default - update to 1-150600.13.3.1
kernel-livepatch-SLE15-SP6_Update_20-debugsource - update to 1-150600.13.3.1
kernel-livepatch-6_4_0-150700_7_31-rt-debuginfo - update to 1-150700.1.3.2
kernel-livepatch-SLE15-SP7-RT_Update_9-debugsource - update to 1-150700.1.3.2
kernel-livepatch-6_4_0-150700_7_31-rt - update to 1-150700.1.3.2
kernel-livepatch-SLE15-SP7_Update_9-debugsource - update to 1-150700.15.3.1
kernel-livepatch-6_4_0-150700_53_31-default - update to 1-150700.15.3.1
kernel-livepatch-6_4_0-150700_53_31-default-debuginfo - update to 1-150700.15.3.1
linux (Debian package) - update to 6.1.153-1
kernel-64kb-debugsource - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
ocfs2-kmp-default - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
reiserfs-kmp-default - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
dlm-kmp-default - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
reiserfs-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-livepatch - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-obs-build - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-zfcpdump-debugsource - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
dtb-aarch64 - update to 6.4.0-150600.23.87.1
dtb-amlogic - update to 6.4.0-150600.23.87.1
kernel-64kb-devel - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-64kb-devel-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
dtb-qcom - update to 6.4.0-150600.23.87.1
kernel-64kb-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
dtb-marvell - update to 6.4.0-150600.23.87.1
dtb-mediatek - update to 6.4.0-150600.23.87.1
dtb-broadcom - update to 6.4.0-150600.23.87.1
dtb-nvidia - update to 6.4.0-150600.23.87.1
gfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.87.1
cluster-md-kmp-64kb - update to 6.4.0-150600.23.87.1
kselftests-kmp-64kb-debuginfo - update to 6.4.0-150600.23.87.1
kernel-zfcpdump-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
gfs2-kmp-64kb - update to 6.4.0-150600.23.87.1
kernel-debug-devel - update to 6.4.0-150600.23.87.1
kernel-zfcpdump - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-kvmsmall - update to 6.4.0-150600.23.87.1
kernel-docs - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-source - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-source-vanilla - update to 6.4.0-150600.23.87.1
kernel-macros - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-docs-html - update to 6.4.0-150600.23.87.1
kernel-devel - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-debug - update to 6.4.0-150600.23.87.1
kernel-debug-debuginfo - update to 6.4.0-150600.23.87.1
kernel-debug-devel-debuginfo - update to 6.4.0-150600.23.87.1
kernel-default-extra - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-debug-debugsource - update to 6.4.0-150600.23.87.1
kernel-default-vdso-debuginfo - update to 6.4.0-150600.23.87.1
kernel-default-vdso - update to 6.4.0-150600.23.87.1
kernel-kvmsmall-vdso-debuginfo - update to 6.4.0-150600.23.87.1
kernel-kvmsmall-vdso - update to 6.4.0-150600.23.87.1
kernel-debug-vdso-debuginfo - update to 6.4.0-150600.23.87.1
kernel-debug-vdso - update to 6.4.0-150600.23.87.1
kernel-kvmsmall-devel - update to 6.4.0-150600.23.87.1
kernel-kvmsmall-devel-debuginfo - update to 6.4.0-150600.23.87.1
kernel-kvmsmall-debuginfo - update to 6.4.0-150600.23.87.1
kernel-kvmsmall-debugsource - update to 6.4.0-150600.23.87.1
kernel-default-debugsource - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
reiserfs-kmp-64kb - update to 6.4.0-150600.23.87.1
dtb-freescale - update to 6.4.0-150600.23.87.1
dtb-rockchip - update to 6.4.0-150600.23.87.1
kernel-default-livepatch-devel - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
dtb-arm - update to 6.4.0-150600.23.87.1
kernel-64kb - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-devel-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-obs-build-debugsource - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
gfs2-kmp-default - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-extra-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
ocfs2-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
dlm-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kselftests-kmp-64kb - update to 6.4.0-150600.23.87.1
kernel-default-optional - update to 6.4.0-150600.23.87.1
cluster-md-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-syms - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kselftests-kmp-default - update to 6.4.0-150600.23.87.1
kselftests-kmp-default-debuginfo - update to 6.4.0-150600.23.87.1
cluster-md-kmp-default - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
gfs2-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-devel - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-obs-qa - update to 6.4.0-150600.23.87.1
kernel-default-optional-debuginfo - update to 6.4.0-150600.23.87.1
kernel-64kb-extra-debuginfo - update to 6.4.0-150600.23.87.1
dtb-amazon - update to 6.4.0-150600.23.87.1
dtb-hisilicon - update to 6.4.0-150600.23.87.1
kernel-64kb-optional-debuginfo - update to 6.4.0-150600.23.87.1
dlm-kmp-64kb - update to 6.4.0-150600.23.87.1
dtb-lg - update to 6.4.0-150600.23.87.1
dtb-renesas - update to 6.4.0-150600.23.87.1
cluster-md-kmp-64kb-debuginfo - update to 6.4.0-150600.23.87.1
dtb-apm - update to 6.4.0-150600.23.87.1
dtb-altera - update to 6.4.0-150600.23.87.1
dtb-amd - update to 6.4.0-150600.23.87.1
reiserfs-kmp-64kb-debuginfo - update to 6.4.0-150600.23.87.1
dtb-sprd - update to 6.4.0-150600.23.87.1
dtb-allwinner - update to 6.4.0-150600.23.87.1
dtb-socionext - update to 6.4.0-150600.23.87.1
ocfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.87.1
dtb-cavium - update to 6.4.0-150600.23.87.1
kernel-64kb-extra - update to 6.4.0-150600.23.87.1
kernel-64kb-optional - update to 6.4.0-150600.23.87.1
dtb-apple - update to 6.4.0-150600.23.87.1
ocfs2-kmp-64kb - update to 6.4.0-150600.23.87.1
dtb-exynos - update to 6.4.0-150600.23.87.1
dtb-xilinx - update to 6.4.0-150600.23.87.1
dlm-kmp-64kb-debuginfo - update to 6.4.0-150600.23.87.1
kernel-default-base-rebuild - update to 6.4.0-150600.23.87.1.150600.12.40.1
kernel-default-base - addressed in versions 6.4.0-150600.23.87.1.150600.12.40.1, 6.4.0-150700.53.31.1.150700.17.21.1
kernel-syms-rt - update to 6.4.0-150700.7.31.1
kernel-devel-rt - update to 6.4.0-150700.7.31.1
kernel-source-rt - update to 6.4.0-150700.7.31.1
kernel-rt - update to 6.4.0-150700.7.31.2
dlm-kmp-rt - update to 6.4.0-150700.7.31.2
kernel-rt-debugsource - update to 6.4.0-150700.7.31.2
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150700.7.31.2
ocfs2-kmp-rt - update to 6.4.0-150700.7.31.2
gfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.31.2
kernel-rt-debuginfo - update to 6.4.0-150700.7.31.2
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.31.2
dlm-kmp-rt-debuginfo - update to 6.4.0-150700.7.31.2
gfs2-kmp-rt - update to 6.4.0-150700.7.31.2
kernel-rt-devel - update to 6.4.0-150700.7.31.2
cluster-md-kmp-rt - update to 6.4.0-150700.7.31.2
kernel-rt-devel-debuginfo - update to 6.4.0-150700.7.31.2
kernel-source-azure - update to 6.4.0-150700.20.27.1
kernel-azure - update to 6.4.0-150700.20.27.1
kernel-azure-debuginfo - update to 6.4.0-150700.20.27.1
kernel-azure-devel - update to 6.4.0-150700.20.27.1
kernel-syms-azure - update to 6.4.0-150700.20.27.1
kernel-azure-debugsource - update to 6.4.0-150700.20.27.1
kernel-azure-devel-debuginfo - update to 6.4.0-150700.20.27.1
kernel-devel-azure - update to 6.4.0-150700.20.27.1
bpftool - addressed in versions 6.6.0-101.0.0.93, 6.6.0-101.0.0.104, 6.6.0-101.0.0.107
kernel-tools-devel - addressed in versions 6.6.0-101.0.0.93, 6.6.0-101.0.0.104, 6.6.0-101.0.0.107
kernel-debugsource - addressed in versions 6.6.0-101.0.0.93, 6.6.0-101.0.0.104, 6.6.0-101.0.0.107
kernel-debuginfo - addressed in versions 6.6.0-101.0.0.93, 6.6.0-101.0.0.104, 6.6.0-101.0.0.107
bpftool-debuginfo - addressed in versions 6.6.0-101.0.0.93, 6.6.0-101.0.0.104, 6.6.0-101.0.0.107
kernel - addressed in versions 6.6.0-101.0.0.93, 6.6.0-101.0.0.104, 6.6.0-101.0.0.107
kernel-devel - addressed in versions 6.6.0-101.0.0.93, 6.6.0-101.0.0.104, 6.6.0-101.0.0.107
kernel-headers - addressed in versions 6.6.0-101.0.0.93, 6.6.0-101.0.0.104, 6.6.0-101.0.0.107
kernel-source - addressed in versions 6.6.0-101.0.0.93, 6.6.0-101.0.0.104, 6.6.0-101.0.0.107
perf - addressed in versions 6.6.0-101.0.0.93, 6.6.0-101.0.0.104, 6.6.0-101.0.0.107
perf-debuginfo - addressed in versions 6.6.0-101.0.0.93, 6.6.0-101.0.0.104, 6.6.0-101.0.0.107
python3-perf - addressed in versions 6.6.0-101.0.0.93, 6.6.0-101.0.0.104, 6.6.0-101.0.0.107
python3-perf-debuginfo - addressed in versions 6.6.0-101.0.0.93, 6.6.0-101.0.0.104, 6.6.0-101.0.0.107
kernel-tools-debuginfo - addressed in versions 6.6.0-101.0.0.93, 6.6.0-101.0.0.104, 6.6.0-101.0.0.107
kernel-tools - addressed in versions 6.6.0-101.0.0.93, 6.6.0-101.0.0.104, 6.6.0-101.0.0.107
kernel-extra-modules - update to 6.6.0-101.0.0.107
kernel-64k-devel - update to 6.6.102-5
kernel-64k-debug-devel - update to 6.6.102-5
kernel-64k-debug - update to 6.6.102-5
kernel-64k - update to 6.6.102-5
python3-perf - update to 6.6.102-5
perf - update to 6.6.102-5
kernel-tools-libs-devel - update to 6.6.102-5
kernel-tools-libs - update to 6.6.102-5
kernel-tools - update to 6.6.102-5
kernel-headers - update to 6.6.102-5
kernel-devel - update to 6.6.102-5
kernel-debug-devel - update to 6.6.102-5
kernel-debug - update to 6.6.102-5
kernel - update to 6.6.102-5
bpftool - update to 6.6.102-5
linux (Ubuntu package) - addressed in versions 6.8.0-100.100, 6.8.0-1047.51, 6.14.0-34.34, 6.14.0-1014.14~24.04.1, 6.14.0-1015.15, 6.14.0-1015.15~24.04.1, 6.14.0-1016.16, 6.14.0-1018.19
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) - addressed in versions 6.8.0-1046.52, 6.14.0-1007.7+25.10.1, 6.14.0-1014.14, 6.14.0-1014.14~24.04.1
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-hwe-6.14 (Ubuntu package) - update to 6.14.0-34.34~24.04.1
linux-realtime-6.14 (Ubuntu package) - update to 6.14.0-1014.14~24.04.1
linux-aws-6.14 (Ubuntu package) - update to 6.14.0-1015.15~24.04.1
linux-gcp-6.14 (Ubuntu package) - update to 6.14.0-1018.19~24.04.1

External References

Related Security Bulletins