Improper locking in Linux kernel - CVE-2025-68367

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Main Vulnerability Database Vulnerabilities #VU120508

Improper locking in Linux kernel - CVE-2025-68367

Published: December 26, 2025


Vulnerability identifier: #VU120508
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-2025-68367
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 mac_hid_toggle_emumouse() function in drivers/macintosh/mac_hid.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
SUSE Linux Enterprise Server 12 SP5
Debian Linux
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server for SAP Applications 12
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
Public Cloud Module
SUSE Real Time Module
Legacy Module
Development Tools Module
Basesystem Module
Ubuntu
openEuler
kgraft-patch-4_12_14-122_293-default
kernel-livepatch-6_4_0-150700_7_31-rt-debuginfo
kernel-livepatch-6_4_0-150700_7_31-rt
kernel-livepatch-SLE15-SP7-RT_Update_9-debugsource
kernel-livepatch-6_4_0-150700_53_31-default-debuginfo
kernel-livepatch-SLE15-SP7_Update_9-debugsource
kernel-livepatch-6_4_0-150700_53_31-default
kernel-default-debugsource
kernel-default-devel-debuginfo
kernel-default-man
kernel-macros
kernel-devel
kernel-source
gfs2-kmp-default-debuginfo
kernel-syms
kernel-default-devel
ocfs2-kmp-default
ocfs2-kmp-default-debuginfo
kernel-default-base
cluster-md-kmp-default
dlm-kmp-default
dlm-kmp-default-debuginfo
gfs2-kmp-default
kernel-default-base-debuginfo
cluster-md-kmp-default-debuginfo
kernel-default
kernel-default-kgraft
kernel-default-debuginfo
kernel-default-kgraft-devel
linux-aws-fips (Ubuntu package)
linux (Ubuntu package)
linux-aws-5.15 (Ubuntu package)
linux-nvidia-tegra-igx (Ubuntu package)
linux-intel-iot-realtime (Ubuntu package)
linux-raspi (Ubuntu package)
linux-realtime (Ubuntu package)
linux-azure-fips (Ubuntu package)
linux-azure (Ubuntu package)
linux-azure-5.15 (Ubuntu package)
linux (Debian package)
kernel-syms-rt
kernel-source-rt
kernel-devel-rt
cluster-md-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
kernel-rt-devel-debuginfo
dlm-kmp-rt
kernel-rt
kernel-devel-azure
kernel-azure
kernel-azure-debuginfo
kernel-azure-devel
kernel-syms-azure
kernel-azure-debugsource
kernel-azure-devel-debuginfo
kernel-source-azure
kernel-default-extra
kernel-64kb-debuginfo
kernel-64kb
kernel-64kb-debugsource
kernel-64kb-devel-debuginfo
kernel-64kb-devel
kernel-default-extra-debuginfo
kernel-default-livepatch
kernel-default-livepatch-devel
reiserfs-kmp-default
reiserfs-kmp-default-debuginfo
kernel-zfcpdump
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-docs
kernel-obs-build-debugsource
kernel-obs-build
kernel
python3-perf
bpftool
bpftool-debuginfo
kernel-debuginfo
kernel-debugsource
kernel-headers
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python3-perf-debuginfo
kernel-extra-modules
linux-hwe-6.8 (Ubuntu package)
linux-nvidia-tegra (Ubuntu package)
linux-xilinx (Ubuntu package)
linux-oracle (Ubuntu package)
linux-nvidia (Ubuntu package)
linux-nvidia-lowlatency (Ubuntu package)
linux-gcp-6.8 (Ubuntu package)
linux-raspi-realtime (Ubuntu package)
linux-gcp-6.17 (Ubuntu package)
linux-realtime-6.17 (Ubuntu package)
linux-oem-6.17 (Ubuntu package)

How to mitigate CVE-2025-68367

Install update from vendor's repository.

kgraft-patch-4_12_14-122_293-default - update to 1-8.3.1
kernel-livepatch-6_4_0-150700_7_31-rt-debuginfo - 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-RT_Update_9-debugsource - update to 1-150700.1.3.2
kernel-livepatch-6_4_0-150700_53_31-default-debuginfo - update to 1-150700.15.3.1
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-default-debugsource - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
kernel-default-man - update to 4.12.14-122.293.1
kernel-macros - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
kernel-devel - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
kernel-source - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
gfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
kernel-syms - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
kernel-default-devel - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
ocfs2-kmp-default - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
ocfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
kernel-default-base - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1.150700.17.21.1
cluster-md-kmp-default - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
dlm-kmp-default - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
gfs2-kmp-default - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
kernel-default-base-debuginfo - update to 4.12.14-122.293.1
cluster-md-kmp-default-debuginfo - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
kernel-default - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
kernel-default-kgraft - update to 4.12.14-122.293.1
kernel-default-debuginfo - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
kernel-default-kgraft-devel - update to 4.12.14-122.293.1
linux-aws-fips (Ubuntu package) - addressed in versions 5.15.0.173.100, 5.15.0-173.183+fips1, 5.15.0.1103.93, 5.15.0.1103.99, 5.15.0-1103.110+fips1, 5.15.0-1103.112+fips1, 6.8.0-110.110+fips2, 6.8.0-1052.55+fips1, 6.8.0-1054.57+fips1
linux (Ubuntu package) - addressed in versions 5.15.0.173.146, 5.15.0.173.161, 5.15.0-173.183, 5.15.0-1055.55, 5.15.0-1055.55~20.04.1, 5.15.0.1067.70, 5.15.0-1067.71, 5.15.0.1086.85, 5.15.0-1086.94, 5.15.0.1095.91, 5.15.0-1095.100, 5.15.0.1097.93, 5.15.0.1097.100, 5.15.0-1097.100~20.04.1, 5.15.0.1098.98, 5.15.0-1098.99, 5.15.0-1098.104, 5.15.0.1100.96, 5.15.0-1100.106, 5.15.0.1103.99, 5.15.0.1103.106, 5.15.0-1103.110, 5.15.0-1103.112~20.04.1, 6.8.0-110.110, 6.8.0-110.110.1, 6.8.0-110.110.1~22.04.1, 6.8.0-1037.40, 6.8.0-1050.56, 6.8.0-1051.51, 6.8.0-1052.55~22.04.1, 6.8.0-1054.57, 6.17.0-19.19, 6.17.0-19.19~24.04.2, 6.17.0-1009.9, 6.17.0-1009.9~24.04.1, 6.17.0-1009.9~24.04.2
linux-aws-5.15 (Ubuntu package) - addressed in versions 5.15.0-173.183~20.04.1, 5.15.0-1098.104~20.04.1, 5.15.0.1099.98, 5.15.0-1099.105, 5.15.0-1100.106~20.04.1, 5.15.0-1103.110~20.04.1, 5.15.0-1103.112~20.04.1
linux-nvidia-tegra-igx (Ubuntu package) - addressed in versions 5.15.0-1044.44, 5.15.0.1044.46
linux-intel-iot-realtime (Ubuntu package) - addressed in versions 5.15.0-1094.96, 5.15.0.1094.98
linux-raspi (Ubuntu package) - addressed in versions 5.15.0.1097.95, 5.15.0-1097.100, 6.17.0-1010.10
linux-realtime (Ubuntu package) - addressed in versions 5.15.0.1102.106, 5.15.0-1102.111, 6.8.1-1047.48
linux-azure-fips (Ubuntu package) - addressed in versions 5.15.0.1109.94, 5.15.0-1109.118+fips1, 6.8.0-1054.60+fips1
linux-azure (Ubuntu package) - addressed in versions 5.15.0.1109.107, 5.15.0-1109.118, 6.8.0-1054.60, 6.17.0-1010.10, 6.17.0-1010.10~24.04.1
linux-azure-5.15 (Ubuntu package) - update to 5.15.0-1110.119~20.04.1
linux (Debian package) - update to 6.1.162-1
kernel-syms-rt - update to 6.4.0-150700.7.31.1
kernel-source-rt - update to 6.4.0-150700.7.31.1
kernel-devel-rt - update to 6.4.0-150700.7.31.1
cluster-md-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
kernel-rt-devel-debuginfo - update to 6.4.0-150700.7.31.2
dlm-kmp-rt - update to 6.4.0-150700.7.31.2
kernel-rt - update to 6.4.0-150700.7.31.2
kernel-devel-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-source-azure - update to 6.4.0-150700.20.27.1
kernel-default-extra - update to 6.4.0-150700.53.31.1
kernel-64kb-debuginfo - update to 6.4.0-150700.53.31.1
kernel-64kb - update to 6.4.0-150700.53.31.1
kernel-64kb-debugsource - update to 6.4.0-150700.53.31.1
kernel-64kb-devel-debuginfo - update to 6.4.0-150700.53.31.1
kernel-64kb-devel - update to 6.4.0-150700.53.31.1
kernel-default-extra-debuginfo - update to 6.4.0-150700.53.31.1
kernel-default-livepatch - update to 6.4.0-150700.53.31.1
kernel-default-livepatch-devel - update to 6.4.0-150700.53.31.1
reiserfs-kmp-default - update to 6.4.0-150700.53.31.1
reiserfs-kmp-default-debuginfo - update to 6.4.0-150700.53.31.1
kernel-zfcpdump - update to 6.4.0-150700.53.31.1
kernel-zfcpdump-debuginfo - update to 6.4.0-150700.53.31.1
kernel-zfcpdump-debugsource - update to 6.4.0-150700.53.31.1
kernel-docs - update to 6.4.0-150700.53.31.1
kernel-obs-build-debugsource - update to 6.4.0-150700.53.31.1
kernel-obs-build - update to 6.4.0-150700.53.31.1
kernel - addressed in versions 6.6.0-138.0.0.119, 6.6.0-138.0.0.132
python3-perf - addressed in versions 6.6.0-138.0.0.119, 6.6.0-138.0.0.132
bpftool - addressed in versions 6.6.0-138.0.0.119, 6.6.0-138.0.0.132
bpftool-debuginfo - addressed in versions 6.6.0-138.0.0.119, 6.6.0-138.0.0.132
kernel-debuginfo - addressed in versions 6.6.0-138.0.0.119, 6.6.0-138.0.0.132
kernel-debugsource - addressed in versions 6.6.0-138.0.0.119, 6.6.0-138.0.0.132
kernel-devel - addressed in versions 6.6.0-138.0.0.119, 6.6.0-138.0.0.132
kernel-headers - addressed in versions 6.6.0-138.0.0.119, 6.6.0-138.0.0.132
kernel-source - addressed in versions 6.6.0-138.0.0.119, 6.6.0-138.0.0.132
kernel-tools - addressed in versions 6.6.0-138.0.0.119, 6.6.0-138.0.0.132
kernel-tools-debuginfo - addressed in versions 6.6.0-138.0.0.119, 6.6.0-138.0.0.132
kernel-tools-devel - addressed in versions 6.6.0-138.0.0.119, 6.6.0-138.0.0.132
perf - addressed in versions 6.6.0-138.0.0.119, 6.6.0-138.0.0.132
perf-debuginfo - addressed in versions 6.6.0-138.0.0.119, 6.6.0-138.0.0.132
python3-perf-debuginfo - addressed in versions 6.6.0-138.0.0.119, 6.6.0-138.0.0.132
kernel-extra-modules - update to 6.6.0-138.0.0.132
linux-hwe-6.8 (Ubuntu package) - addressed in versions 6.8.0-110.110~22.04.1, 6.8.0-1051.51~22.04.1, 6.8.0-1052.56
linux-nvidia-tegra (Ubuntu package) - update to 6.8.0-1022.22
linux-xilinx (Ubuntu package) - update to 6.8.0-1029.30
linux-oracle (Ubuntu package) - addressed in versions 6.8.0-1049.50, 6.8.0-1049.50~22.04.1
linux-nvidia (Ubuntu package) - addressed in versions 6.8.0-1051.54, 6.8.0-1051.54~22.04.1
linux-nvidia-lowlatency (Ubuntu package) - update to 6.8.0-1051.54.1
linux-gcp-6.8 (Ubuntu package) - update to 6.8.0-1054.57~22.04.1
linux-raspi-realtime (Ubuntu package) - update to 6.8.0-2042.43
linux-gcp-6.17 (Ubuntu package) - addressed in versions 6.17.0-1008.9, 6.17.0-1009.9~24.04.3
linux-realtime-6.17 (Ubuntu package) - update to 6.17.0-1008.9~24.04.1
linux-oem-6.17 (Ubuntu package) - update to 6.17.0-1017.17

External References

Related Security Bulletins