Reachable assertion in Linux kernel - CVE-2025-68261

 

Reachable assertion in Linux kernel - CVE-2025-68261

Published: December 16, 2025


Vulnerability identifier: #VU120106
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-2025-68261
CWE-ID: CWE-617
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 reachable assertion within the ext4_destroy_inline_data_nolock() function in fs/ext4/inline.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
Debian Linux
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Live Patching
SUSE Real Time Module
Basesystem Module
Public Cloud Module
Legacy Module
Development Tools 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
dlm-kmp-default
kernel-default-base
dlm-kmp-default-debuginfo
gfs2-kmp-default
kernel-default-base-debuginfo
cluster-md-kmp-default-debuginfo
kernel-default-kgraft
kernel-default-debuginfo
kernel-default-debugsource
kernel-default-kgraft-devel
kernel-default
ocfs2-kmp-default-debuginfo
ocfs2-kmp-default
kernel-default-devel
kernel-syms
gfs2-kmp-default-debuginfo
kernel-source
cluster-md-kmp-default
kernel-devel
kernel-macros
kernel-default-man
kernel-default-devel-debuginfo
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
gfs2-kmp-rt-debuginfo
kernel-rt
dlm-kmp-rt
cluster-md-kmp-rt
kernel-rt-devel
gfs2-kmp-rt
dlm-kmp-rt-debuginfo
ocfs2-kmp-rt-debuginfo
kernel-rt-debuginfo
kernel-rt-devel-debuginfo
ocfs2-kmp-rt
cluster-md-kmp-rt-debuginfo
kernel-rt-debugsource
kernel-azure
kernel-azure-debuginfo
kernel-azure-devel
kernel-syms-azure
kernel-azure-devel-debuginfo
kernel-source-azure
kernel-devel-azure
kernel-azure-debugsource
kernel-obs-build
kernel-obs-build-debugsource
kernel-docs
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-zfcpdump
kernel-64kb-devel
kernel-64kb-devel-debuginfo
kernel-64kb-debugsource
kernel-64kb-debuginfo
kernel-64kb
reiserfs-kmp-default-debuginfo
reiserfs-kmp-default
kernel-default-extra-debuginfo
kernel-default-extra
kernel-default-livepatch
kernel-default-livepatch-devel
bpftool-debuginfo
kernel
python3-perf-debuginfo
python3-perf
perf-debuginfo
perf
kernel-tools-devel
kernel-tools-debuginfo
kernel-tools
kernel-headers
kernel-debugsource
kernel-debuginfo
bpftool
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-2025-68261

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
dlm-kmp-default - 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
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-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-debugsource - 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
kernel-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
ocfs2-kmp-default - 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
kernel-syms - 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-source - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
cluster-md-kmp-default - 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-macros - 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-default-devel-debuginfo - addressed in versions 4.12.14-122.293.1, 6.4.0-150700.53.31.1
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
gfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.31.2
kernel-rt - update to 6.4.0-150700.7.31.2
dlm-kmp-rt - 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 - update to 6.4.0-150700.7.31.2
gfs2-kmp-rt - update to 6.4.0-150700.7.31.2
dlm-kmp-rt-debuginfo - update to 6.4.0-150700.7.31.2
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.31.2
kernel-rt-debuginfo - update to 6.4.0-150700.7.31.2
kernel-rt-devel-debuginfo - update to 6.4.0-150700.7.31.2
ocfs2-kmp-rt - update to 6.4.0-150700.7.31.2
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150700.7.31.2
kernel-rt-debugsource - update to 6.4.0-150700.7.31.2
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-devel-debuginfo - update to 6.4.0-150700.20.27.1
kernel-source-azure - update to 6.4.0-150700.20.27.1
kernel-devel-azure - update to 6.4.0-150700.20.27.1
kernel-azure-debugsource - update to 6.4.0-150700.20.27.1
kernel-obs-build - update to 6.4.0-150700.53.31.1
kernel-obs-build-debugsource - update to 6.4.0-150700.53.31.1
kernel-docs - update to 6.4.0-150700.53.31.1
kernel-zfcpdump-debugsource - update to 6.4.0-150700.53.31.1
kernel-zfcpdump-debuginfo - update to 6.4.0-150700.53.31.1
kernel-zfcpdump - update to 6.4.0-150700.53.31.1
kernel-64kb-devel - update to 6.4.0-150700.53.31.1
kernel-64kb-devel-debuginfo - update to 6.4.0-150700.53.31.1
kernel-64kb-debugsource - 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
reiserfs-kmp-default-debuginfo - update to 6.4.0-150700.53.31.1
reiserfs-kmp-default - update to 6.4.0-150700.53.31.1
kernel-default-extra-debuginfo - update to 6.4.0-150700.53.31.1
kernel-default-extra - 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
bpftool-debuginfo - addressed in versions 6.6.0-144.0.0.127, 6.6.0-144.0.0.139, 6.6.0-144.0.0.140
kernel - addressed in versions 6.6.0-144.0.0.127, 6.6.0-144.0.0.139, 6.6.0-144.0.0.140
python3-perf-debuginfo - addressed in versions 6.6.0-144.0.0.127, 6.6.0-144.0.0.139, 6.6.0-144.0.0.140
python3-perf - addressed in versions 6.6.0-144.0.0.127, 6.6.0-144.0.0.139, 6.6.0-144.0.0.140
perf-debuginfo - addressed in versions 6.6.0-144.0.0.127, 6.6.0-144.0.0.139, 6.6.0-144.0.0.140
perf - addressed in versions 6.6.0-144.0.0.127, 6.6.0-144.0.0.139, 6.6.0-144.0.0.140
kernel-tools-devel - addressed in versions 6.6.0-144.0.0.127, 6.6.0-144.0.0.139, 6.6.0-144.0.0.140
kernel-tools-debuginfo - addressed in versions 6.6.0-144.0.0.127, 6.6.0-144.0.0.139, 6.6.0-144.0.0.140
kernel-tools - addressed in versions 6.6.0-144.0.0.127, 6.6.0-144.0.0.139, 6.6.0-144.0.0.140
kernel-source - addressed in versions 6.6.0-144.0.0.127, 6.6.0-144.0.0.139, 6.6.0-144.0.0.140
kernel-headers - addressed in versions 6.6.0-144.0.0.127, 6.6.0-144.0.0.139, 6.6.0-144.0.0.140
kernel-devel - addressed in versions 6.6.0-144.0.0.127, 6.6.0-144.0.0.139, 6.6.0-144.0.0.140
kernel-debugsource - addressed in versions 6.6.0-144.0.0.127, 6.6.0-144.0.0.139, 6.6.0-144.0.0.140
kernel-debuginfo - addressed in versions 6.6.0-144.0.0.127, 6.6.0-144.0.0.139, 6.6.0-144.0.0.140
bpftool - addressed in versions 6.6.0-144.0.0.127, 6.6.0-144.0.0.139, 6.6.0-144.0.0.140
kernel-extra-modules - update to 6.6.0-144.0.0.140
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