Use-after-free in Linux kernel - CVE-2025-37786

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Main Vulnerability Database Vulnerabilities #VU108244

Use-after-free in Linux kernel - CVE-2025-37786

Published: May 2, 2025 / Updated: May 10, 2025


Vulnerability identifier: #VU108244
CSH Severity: Low
CVSS v4 BT: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2025-37786
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the dsa_tree_teardown_lags(), dsa_tree_setup(), dsa_tree_teardown_switches() and dsa_tree_teardown() functions in net/dsa/dsa.c. A local user can escalate privileges on the system.


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 Desktop 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Real Time 15
Confidential Computing Module
Basesystem Module
Development Tools Module
Legacy Module
SUSE Linux Enterprise Live Patching
openSUSE Leap
Ubuntu
openEuler
kernel-livepatch-6_4_0-150600_23_60-default-debuginfo
kernel-livepatch-SLE15-SP6_Update_13-debugsource
kernel-livepatch-6_4_0-150600_23_60-default
kernel
python3-perf-debuginfo
python3-perf
perf-debuginfo
perf
kernel-tools-devel
kernel-tools-debuginfo
kernel-tools
kernel-source
kernel-headers
kernel-devel
kernel-debugsource
kernel-debuginfo
bpftool
bpftool-debuginfo
linux (Ubuntu package)
linux-aws (Ubuntu package)
linux-nvidia-tegra (Ubuntu package)
linux-nvidia-tegra-5.15 (Ubuntu package)
linux-azure (Ubuntu package)
linux-azure-5.15 (Ubuntu package)
linux-azure-fips (Ubuntu package)
linux-azure-fde (Ubuntu package)
linux (Debian package)
kernel-coco_debug-devel
kernel-coco
kernel-coco_debug
kernel-coco-devel
kernel-coco_debug-debuginfo
kernel-coco_debug-devel-debuginfo
kernel-coco-debuginfo
kernel-coco-debugsource
reiserfs-kmp-coco
kernel-coco-vdso-debuginfo
kernel-syms-coco
kernel-coco_debug-debugsource
kernel-devel-coco
reiserfs-kmp-coco-debuginfo
kernel-source-coco
kernel-obs-qa
dtb-altera
dtb-amazon
dtb-qcom
dtb-xilinx
dtb-rockchip
dtb-cavium
dtb-sprd
dtb-amlogic
dtb-exynos
dtb-allwinner
dtb-hisilicon
dtb-socionext
dtb-nvidia
dtb-apm
dtb-broadcom
dtb-freescale
dtb-marvell
dtb-mediatek
dtb-renesas
kernel-docs
dtb-lg
dtb-apple
kernel-docs-html
kernel-obs-build-debugsource
dtb-arm
dtb-amd
dtb-aarch64
kernel-obs-build
kernel-kvmsmall-devel-debuginfo
reiserfs-kmp-64kb
kernel-kvmsmall-debugsource
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel
kernel-syms
kernel-64kb
kernel-64kb-optional
kernel-64kb-devel-debuginfo
kernel-64kb-extra-debuginfo
kernel-64kb-debugsource
kernel-debug-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-debug-vdso
kernel-debug-debugsource
kernel-debug-debuginfo
kernel-debug-devel
kernel-debug-devel-debuginfo
kernel-debug
kernel-source-vanilla
kernel-macros
kernel-zfcpdump-debugsource
gfs2-kmp-64kb-debuginfo
kernel-64kb-devel
ocfs2-kmp-64kb-debuginfo
kernel-kvmsmall
kselftests-kmp-64kb
gfs2-kmp-64kb
kernel-zfcpdump
kernel-zfcpdump-debuginfo
kernel-64kb-debuginfo
kernel-64kb-optional-debuginfo
reiserfs-kmp-64kb-debuginfo
kernel-64kb-extra
cluster-md-kmp-64kb-debuginfo
cluster-md-kmp-64kb
kselftests-kmp-64kb-debuginfo
dlm-kmp-64kb
dlm-kmp-64kb-debuginfo
ocfs2-kmp-64kb
gfs2-kmp-default
reiserfs-kmp-default-debuginfo
ocfs2-kmp-default-debuginfo
kernel-default-livepatch
kernel-default-extra
kselftests-kmp-default
gfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
kernel-default-optional-debuginfo
dlm-kmp-default
kernel-default-debugsource
kernel-default-vdso
kernel-default-devel-debuginfo
kernel-default-vdso-debuginfo
kernel-default-devel
kernel-default-livepatch-devel
ocfs2-kmp-default
kselftests-kmp-default-debuginfo
reiserfs-kmp-default
kernel-default-extra-debuginfo
dlm-kmp-default-debuginfo
kernel-default-debuginfo
cluster-md-kmp-default
kernel-default-optional
kernel-default
kernel-default-base
kernel-default-base-rebuild
kernel-extra-modules
linux-aws-fips (Ubuntu package)
linux-lowlatency (Ubuntu package)
linux-hwe-6.8 (Ubuntu package)
linux-xilinx (Ubuntu package)
linux-gcp (Ubuntu package)
linux-ibm (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)

How to mitigate CVE-2025-37786

Install update from vendor's website.

Linux kernel - update to 6.6.88
kernel-livepatch-6_4_0-150600_23_60-default-debuginfo - 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 - update to 1-150600.13.6.4
kernel - addressed in versions 5.10.0-293.0.0.195, 5.10.0-293.0.0.196, 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
python3-perf-debuginfo - addressed in versions 5.10.0-293.0.0.195, 5.10.0-293.0.0.196, 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
python3-perf - addressed in versions 5.10.0-293.0.0.195, 5.10.0-293.0.0.196, 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
perf-debuginfo - addressed in versions 5.10.0-293.0.0.195, 5.10.0-293.0.0.196, 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
perf - addressed in versions 5.10.0-293.0.0.195, 5.10.0-293.0.0.196, 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-tools-devel - addressed in versions 5.10.0-293.0.0.195, 5.10.0-293.0.0.196, 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-tools-debuginfo - addressed in versions 5.10.0-293.0.0.195, 5.10.0-293.0.0.196, 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-tools - addressed in versions 5.10.0-293.0.0.195, 5.10.0-293.0.0.196, 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-source - addressed in versions 5.10.0-293.0.0.195, 5.10.0-293.0.0.196, 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-headers - addressed in versions 5.10.0-293.0.0.195, 5.10.0-293.0.0.196, 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-devel - addressed in versions 5.10.0-293.0.0.195, 5.10.0-293.0.0.196, 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-debugsource - addressed in versions 5.10.0-293.0.0.195, 5.10.0-293.0.0.196, 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-debuginfo - addressed in versions 5.10.0-293.0.0.195, 5.10.0-293.0.0.196, 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
bpftool - addressed in versions 5.10.0-293.0.0.196, 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
bpftool-debuginfo - addressed in versions 5.10.0-293.0.0.196, 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
linux (Ubuntu package) - addressed in versions 5.15.0.184.155, 5.15.0-184.194, 5.15.0-184.194~20.04.1, 5.15.0.186.166, 5.15.0-186.196, 5.15.0-186.196~20.04.1, 5.15.0.1075.78, 5.15.0-1075.79, 5.15.0.1095.94, 5.15.0-1095.103, 5.15.0.1104.100, 5.15.0-1104.109, 5.15.0.1108.107, 5.15.0-1108.114, 5.15.0.1111.115, 5.15.0-1111.120+fips1, 5.15.0.1112.102, 5.15.0.1112.109, 5.15.0-1112.122, 5.15.0-1112.122+fips1, 6.8.0-100.100, 6.8.0-1047.51, 6.14.0-22.22, 6.14.0-1004.4, 6.14.0-1007.7, 6.14.0-1008.8
linux-aws (Ubuntu package) - addressed in versions 5.15.0.186.109, 5.15.0-186.196+fips1, 5.15.0.1106.103, 5.15.0-1106.110, 5.15.0.1107.107, 5.15.0-1107.108, 5.15.0.1112.108, 5.15.0.1112.115, 5.15.0-1112.119, 5.15.0-1112.119+fips1, 5.15.0-1112.119~20.04.1, 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, 6.14.0-1007.7, 6.14.0-1007.7+1
linux-nvidia-tegra (Ubuntu package) - addressed in versions 5.15.0-1053.53, 5.15.0.1053.55, 5.15.0.1064.64, 5.15.0-1064.66
linux-nvidia-tegra-5.15 (Ubuntu package) - update to 5.15.0-1064.66~20.04.1
linux-azure (Ubuntu package) - addressed in versions 5.15.0.1109.105, 5.15.0-1109.115, 5.15.0.1117.115, 5.15.0-1117.126, 6.8.0-1046.52, 6.14.0-1007.7
linux-azure-5.15 (Ubuntu package) - addressed in versions 5.15.0-1109.115~20.04.1, 5.15.0-1117.126~20.04.1, 5.15.0-1117.126~20.04.2
linux-azure-fips (Ubuntu package) - addressed in versions 5.15.0.1117.102, 5.15.0-1117.126+fips1, 6.8.0-1046.52+fips1
linux-azure-fde (Ubuntu package) - update to 5.15.0-1117.126
linux (Debian package) - update to 6.1.164-1
kernel-coco_debug-devel - 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-devel - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco_debug-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-debuginfo - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco-debugsource - update to 6.4.0-15061.28.coco15sp6.1
reiserfs-kmp-coco - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco-vdso-debuginfo - update to 6.4.0-15061.28.coco15sp6.1
kernel-syms-coco - update to 6.4.0-15061.28.coco15sp6.1
kernel-coco_debug-debugsource - update to 6.4.0-15061.28.coco15sp6.1
kernel-devel-coco - 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-obs-qa - update to 6.4.0-150600.23.60.2
dtb-altera - update to 6.4.0-150600.23.60.3
dtb-amazon - update to 6.4.0-150600.23.60.3
dtb-qcom - update to 6.4.0-150600.23.60.3
dtb-xilinx - update to 6.4.0-150600.23.60.3
dtb-rockchip - update to 6.4.0-150600.23.60.3
dtb-cavium - update to 6.4.0-150600.23.60.3
dtb-sprd - update to 6.4.0-150600.23.60.3
dtb-amlogic - update to 6.4.0-150600.23.60.3
dtb-exynos - update to 6.4.0-150600.23.60.3
dtb-allwinner - 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-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
dtb-lg - update to 6.4.0-150600.23.60.3
dtb-apple - update to 6.4.0-150600.23.60.3
kernel-docs-html - update to 6.4.0-150600.23.60.3
kernel-obs-build-debugsource - update to 6.4.0-150600.23.60.3
dtb-arm - update to 6.4.0-150600.23.60.3
dtb-amd - update to 6.4.0-150600.23.60.3
dtb-aarch64 - update to 6.4.0-150600.23.60.3
kernel-obs-build - update to 6.4.0-150600.23.60.3
kernel-kvmsmall-devel-debuginfo - update to 6.4.0-150600.23.60.4
reiserfs-kmp-64kb - 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
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-64kb-extra-debuginfo - update to 6.4.0-150600.23.60.4
kernel-64kb-debugsource - update to 6.4.0-150600.23.60.4
kernel-debug-vdso-debuginfo - update to 6.4.0-150600.23.60.4
kernel-kvmsmall-vdso - update to 6.4.0-150600.23.60.4
kernel-kvmsmall-vdso-debuginfo - update to 6.4.0-150600.23.60.4
kernel-debug-vdso - update to 6.4.0-150600.23.60.4
kernel-debug-debugsource - update to 6.4.0-150600.23.60.4
kernel-debug-debuginfo - update to 6.4.0-150600.23.60.4
kernel-debug-devel - update to 6.4.0-150600.23.60.4
kernel-debug-devel-debuginfo - update to 6.4.0-150600.23.60.4
kernel-debug - update to 6.4.0-150600.23.60.4
kernel-source-vanilla - update to 6.4.0-150600.23.60.4
kernel-devel - update to 6.4.0-150600.23.60.4
kernel-source - update to 6.4.0-150600.23.60.4
kernel-macros - update to 6.4.0-150600.23.60.4
kernel-zfcpdump-debugsource - update to 6.4.0-150600.23.60.4
gfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.60.4
kernel-64kb-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 - update to 6.4.0-150600.23.60.4
kselftests-kmp-64kb - update to 6.4.0-150600.23.60.4
gfs2-kmp-64kb - 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-64kb-debuginfo - update to 6.4.0-150600.23.60.4
kernel-64kb-optional-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-extra - update to 6.4.0-150600.23.60.4
cluster-md-kmp-64kb-debuginfo - update to 6.4.0-150600.23.60.4
cluster-md-kmp-64kb - update to 6.4.0-150600.23.60.4
kselftests-kmp-64kb-debuginfo - update to 6.4.0-150600.23.60.4
dlm-kmp-64kb - update to 6.4.0-150600.23.60.4
dlm-kmp-64kb-debuginfo - update to 6.4.0-150600.23.60.4
ocfs2-kmp-64kb - update to 6.4.0-150600.23.60.4
gfs2-kmp-default - 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
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-debugsource - update to 6.4.0-150600.23.60.5
kernel-default-vdso - update to 6.4.0-150600.23.60.5
kernel-default-devel-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-devel - update to 6.4.0-150600.23.60.5
kernel-default-livepatch-devel - update to 6.4.0-150600.23.60.5
ocfs2-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-extra-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-debuginfo - update to 6.4.0-150600.23.60.5
cluster-md-kmp-default - update to 6.4.0-150600.23.60.5
kernel-default-optional - update to 6.4.0-150600.23.60.5
kernel-default - 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-extra-modules - update to 6.6.0-102.0.0.108
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-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-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

External References

Related Security Bulletins