Improper locking in Linux kernel - CVE-2025-37917

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Main Vulnerability Database Vulnerabilities #VU109538

Improper locking in Linux kernel - CVE-2025-37917

Published: May 21, 2025 / Updated: May 21, 2025


Vulnerability identifier: #VU109538
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-2025-37917
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 mtk_star_tx_poll() and mtk_star_rx_poll() functions in drivers/net/ethernet/mediatek/mtk_star_emac.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
Debian Linux
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
SUSE Linux Micro Extras
Legacy Module
Development Tools Module
Basesystem Module
SUSE Linux Enterprise Live Patching
Confidential Computing Module
openSUSE Leap
Ubuntu
Anolis OS
linux (Ubuntu package)
linux-realtime (Ubuntu package)
linux-gcp (Ubuntu package)
linux-raspi (Ubuntu package)
linux-aws (Ubuntu package)
linux-azure (Ubuntu package)
linux-oracle (Ubuntu package)
linux-oem-6.14 (Ubuntu package)
linux-aws-6.14 (Ubuntu package)
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
kernel-source-rt
kernel-rt-devel-debuginfo
kernel-rt-devel
kernel-rt-debugsource
kernel-rt-debuginfo
kernel-rt-livepatch
kernel-rt
kernel-devel-rt
kernel-coco_debug-debuginfo
kernel-coco
kernel-coco_debug
kernel-coco_debug-devel
kernel-coco-devel
kernel-coco_debug-devel-debuginfo
reiserfs-kmp-coco-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-debuginfo
kernel-obs-qa
dtb-cavium
kernel-obs-build-debugsource
dtb-aarch64
dtb-amd
dtb-arm
dtb-apple
dtb-lg
dtb-altera
dtb-exynos
dtb-amlogic
dtb-sprd
dtb-rockchip
dtb-xilinx
dtb-qcom
dtb-amazon
dtb-hisilicon
dtb-socionext
dtb-allwinner
dtb-nvidia
dtb-apm
dtb-broadcom
dtb-freescale
dtb-marvell
dtb-mediatek
dtb-renesas
kernel-docs
kernel-docs-html
kernel-obs-build
kernel-64kb-debuginfo
gfs2-kmp-64kb-debuginfo
kselftests-kmp-64kb-debuginfo
kernel-debug-vdso
cluster-md-kmp-64kb
cluster-md-kmp-64kb-debuginfo
kernel-64kb-extra
kernel-syms
reiserfs-kmp-64kb-debuginfo
kernel-64kb-optional-debuginfo
ocfs2-kmp-64kb
kernel-kvmsmall-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-debug-vdso-debuginfo
gfs2-kmp-64kb
kselftests-kmp-64kb
kernel-kvmsmall-devel
ocfs2-kmp-64kb-debuginfo
kernel-kvmsmall-debuginfo
kernel-kvmsmall-debugsource
kernel-kvmsmall-devel-debuginfo
kernel-64kb-devel
dlm-kmp-64kb
kernel-macros
kernel-source
kernel-devel
kernel-source-vanilla
kernel-debug
kernel-debug-devel-debuginfo
kernel-debug-devel
kernel-debug-debuginfo
kernel-64kb
kernel-64kb-optional
kernel-64kb-devel-debuginfo
kernel-kvmsmall
kernel-zfcpdump
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-debug-debugsource
kernel-64kb-extra-debuginfo
reiserfs-kmp-64kb
dlm-kmp-64kb-debuginfo
kernel-64kb-debugsource
kernel-default-vdso-debuginfo
kernel-default-vdso
gfs2-kmp-default-debuginfo
kernel-default-debugsource
kselftests-kmp-default
kernel-default-optional-debuginfo
reiserfs-kmp-default-debuginfo
ocfs2-kmp-default-debuginfo
kernel-default-livepatch
kernel-default-extra
kernel-default-devel-debuginfo
kernel-default-extra-debuginfo
kernel-default
dlm-kmp-default
kernel-default-livepatch-devel
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
cluster-md-kmp-default-debuginfo
dlm-kmp-default-debuginfo
kernel-default-base
kernel-default-base-rebuild
kernel-64k-devel
kernel-64k-debug-devel
kernel-64k-debug
kernel-64k
python3-perf
perf
kernel-tools-libs-devel
kernel-tools-libs
kernel-tools
kernel-headers
kernel
bpftool
linux (Debian package)
linux-hwe-6.8 (Ubuntu package)
linux-aws-fips (Ubuntu package)
linux-lowlatency (Ubuntu package)
linux-xilinx (Ubuntu package)
linux-ibm (Ubuntu package)
linux-nvidia-lowlatency (Ubuntu package)
linux-azure-fips (Ubuntu package)
linux-gcp-6.8 (Ubuntu package)
linux-gcp-fips (Ubuntu package)
linux-azure-6.8 (Ubuntu package)
linux-raspi-realtime (Ubuntu package)
linux-realtime-6.8 (Ubuntu package)

How to mitigate CVE-2025-37917

Install update from vendor's website.

Linux kernel - update to 6.14.6
linux (Ubuntu package) - addressed in versions 6.8.0-100.100, 6.8.0-1047.51, 6.14.0-24.24
linux-realtime (Ubuntu package) - update to 6.14.0-1006.6
linux-gcp (Ubuntu package) - addressed in versions 6.8.0-1043.48, 6.8.0-1047.50~22.04.2, 6.14.0-1011.11
linux-raspi (Ubuntu package) - update to 6.14.0-1009.9
linux-aws (Ubuntu package) - addressed in versions 6.8.0-1030.33, 6.8.0-1043.44~22.04.1, 6.8.0-1043.44, 6.8.0-1046.49~22.04.1, 6.14.0-1009.9
linux-azure (Ubuntu package) - addressed in versions 6.8.0-1046.52, 6.14.0-1010.10
linux-oracle (Ubuntu package) - update to 6.14.0-1009.9
linux-oem-6.14 (Ubuntu package) - update to 6.14.0-1007.7
linux-aws-6.14 (Ubuntu package) - update to 6.14.0-1009.9~24.04.1
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
kernel-source-rt - update to 6.4.0-33.1
kernel-rt-devel-debuginfo - update to 6.4.0-33.1
kernel-rt-devel - update to 6.4.0-33.1
kernel-rt-debugsource - update to 6.4.0-33.1
kernel-rt-debuginfo - update to 6.4.0-33.1
kernel-rt-livepatch - update to 6.4.0-33.1
kernel-rt - update to 6.4.0-33.1
kernel-devel-rt - update to 6.4.0-33.1
kernel-coco_debug-debuginfo - 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_debug-devel - 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-debuginfo - update to 6.4.0-15061.28.coco15sp6.1
reiserfs-kmp-coco-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-debuginfo - 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
kernel-obs-build-debugsource - 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
dtb-amlogic - update to 6.4.0-150600.23.60.3
dtb-sprd - 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-socionext - 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-docs - update to 6.4.0-150600.23.60.3
kernel-docs-html - update to 6.4.0-150600.23.60.3
kernel-obs-build - update to 6.4.0-150600.23.60.3
kernel-64kb-debuginfo - update to 6.4.0-150600.23.60.4
gfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.60.4
kselftests-kmp-64kb-debuginfo - update to 6.4.0-150600.23.60.4
kernel-debug-vdso - 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
kernel-syms - 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
ocfs2-kmp-64kb - 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
gfs2-kmp-64kb - update to 6.4.0-150600.23.60.4
kselftests-kmp-64kb - update to 6.4.0-150600.23.60.4
kernel-kvmsmall-devel - update to 6.4.0-150600.23.60.4
ocfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.60.4
kernel-kvmsmall-debuginfo - update to 6.4.0-150600.23.60.4
kernel-kvmsmall-debugsource - update to 6.4.0-150600.23.60.4
kernel-kvmsmall-devel-debuginfo - update to 6.4.0-150600.23.60.4
kernel-64kb-devel - update to 6.4.0-150600.23.60.4
dlm-kmp-64kb - update to 6.4.0-150600.23.60.4
kernel-macros - update to 6.4.0-150600.23.60.4
kernel-source - update to 6.4.0-150600.23.60.4
kernel-devel - update to 6.4.0-150600.23.60.4
kernel-source-vanilla - update to 6.4.0-150600.23.60.4
kernel-debug - 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-debug-debuginfo - 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-kvmsmall - update to 6.4.0-150600.23.60.4
kernel-zfcpdump - update to 6.4.0-150600.23.60.4
kernel-zfcpdump-debuginfo - update to 6.4.0-150600.23.60.4
kernel-zfcpdump-debugsource - update to 6.4.0-150600.23.60.4
kernel-debug-debugsource - update to 6.4.0-150600.23.60.4
kernel-64kb-extra-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-debugsource - update to 6.4.0-150600.23.60.4
kernel-default-vdso-debuginfo - update to 6.4.0-150600.23.60.5
kernel-default-vdso - update to 6.4.0-150600.23.60.5
gfs2-kmp-default-debuginfo - update to 6.4.0-150600.23.60.5
kernel-default-debugsource - update to 6.4.0-150600.23.60.5
kselftests-kmp-default - 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-debuginfo - update to 6.4.0-150600.23.60.5
ocfs2-kmp-default-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 - update to 6.4.0-150600.23.60.5
kernel-default-devel-debuginfo - update to 6.4.0-150600.23.60.5
kernel-default-extra-debuginfo - update to 6.4.0-150600.23.60.5
kernel-default - update to 6.4.0-150600.23.60.5
dlm-kmp-default - update to 6.4.0-150600.23.60.5
kernel-default-livepatch-devel - 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
cluster-md-kmp-default-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-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-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
kernel-devel - update to 6.6.102-5
linux (Debian package) - update to 6.1.140-1
linux-hwe-6.8 (Ubuntu package) - addressed in versions 6.8.0-100.100~22.04.1, 6.8.0-100.100.1~22.04.1
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-xilinx (Ubuntu package) - addressed in versions 6.8.0-1023.24, 6.8.0.1023.24
linux-ibm (Ubuntu package) - addressed in versions 6.8.0-1044.44~22.04.1, 6.8.0-1044.44
linux-nvidia-lowlatency (Ubuntu package) - update to 6.8.0-1046.49.1
linux-azure-fips (Ubuntu package) - update to 6.8.0-1046.52+fips1
linux-gcp-6.8 (Ubuntu package) - update to 6.8.0-1047.50~22.04.2
linux-gcp-fips (Ubuntu package) - update to 6.8.0-1047.50+fips1
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

External References

Related Security Bulletins