Buffer overflow in Linux kernel - CVE-2025-68349

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Main Vulnerability Database Vulnerabilities #VU120581

Buffer overflow in Linux kernel - CVE-2025-68349

Published: December 26, 2025


Vulnerability identifier: #VU120581
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-2025-68349
CWE-ID: CWE-119
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 memory corruption within the pnfs_mark_layout_stateid_invalid() function in fs/nfs/pnfs.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
Debian Linux
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Workstation Extension 15
Anolis OS
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Real Time
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
SUSE Linux Enterprise Live Patching
SUSE Real Time Module
Public Cloud Module
Legacy Module
Development Tools Module
Basesystem Module
openEuler
Ubuntu
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
kgraft-patch-4_12_14-122_293-default
kernel-livepatch-SLE15-SP7-RT_Update_9-debugsource
kernel-livepatch-6_4_0-150700_7_31-rt
kernel-livepatch-6_4_0-150700_7_31-rt-debuginfo
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-headers
kernel-doc
kernel-abi-whitelists
python-perf
perf
kernel-tools-libs-devel
kernel-tools-libs
kernel-tools
kernel-devel
kernel-debug
kernel
bpftool
kernel-debug-devel
kernel (Red Hat package)
kernel-rt (Red Hat package)
ocfs2-kmp-default
kernel-default-man
kernel-macros
kernel-default
kernel-default-kgraft-devel
kernel-default-debugsource
kernel-source
gfs2-kmp-default-debuginfo
kernel-syms
kernel-default-devel
kernel-default-kgraft
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-debuginfo
kernel-default-devel-debuginfo
kernel-abi-stablelists
kernel-debug-modules-extra
python3-perf
kernel-modules-extra
kernel-modules
kernel-debug-modules
kernel-debug-core
kernel-cross-headers
kernel-core
python3-perf-debuginfo
python2-perf-debuginfo
python2-perf
perf-debuginfo
kernel-tools-devel
kernel-debugsource
kernel-debuginfo
bpftool-debuginfo
kernel-tools-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-source-rt
kernel-devel-rt
kernel-syms-rt
kernel-rt-debugsource
dlm-kmp-rt-debuginfo
cluster-md-kmp-rt-debuginfo
ocfs2-kmp-rt
gfs2-kmp-rt-debuginfo
kernel-rt-debuginfo
ocfs2-kmp-rt-debuginfo
gfs2-kmp-rt
kernel-rt-devel
cluster-md-kmp-rt
kernel-rt-devel-debuginfo
dlm-kmp-rt
kernel-rt
kernel-source-azure
kernel-azure
kernel-azure-debuginfo
kernel-azure-devel
kernel-devel-azure
kernel-syms-azure
kernel-azure-debugsource
kernel-azure-devel-debuginfo
kernel-64kb-devel
kernel-64kb-devel-debuginfo
kernel-obs-build-debugsource
kernel-zfcpdump
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-docs
kernel-obs-build
kernel-64kb-debuginfo
kernel-default-extra-debuginfo
kernel-default-extra
reiserfs-kmp-default
kernel-default-livepatch
reiserfs-kmp-default-debuginfo
kernel-default-livepatch-devel
kernel-64kb
kernel-64kb-debugsource
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)
Technical Support Appliance

How to mitigate CVE-2025-68349

Install update from vendor's repository.

kgraft-patch-4_12_14-122_293-default - update to 1-8.3.1
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-6_4_0-150700_7_31-rt-debuginfo - 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
Technical Support Appliance - update to 3.1.2
kernel-headers - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel-doc - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel-abi-whitelists - update to 3.10.0-1160.147.1
python-perf - update to 3.10.0-1160.147.1
perf - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel-tools-libs-devel - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel-tools-libs - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel-tools - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel-devel - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel-debug - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
bpftool - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel-debug-devel - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel (Red Hat package) - addressed in versions 3.10.0-1160.147.1.el7, 4.18.0-193.185.1.el8_2, 4.18.0-305.186.1.el8_4, 4.18.0-372.179.1.el8_6, 4.18.0-477.130.1.el8_8, 4.18.0-553.104.1.el8_10, 5.14.0-70.167.1.el9_0, 5.14.0-284.158.1.el9_2, 5.14.0-427.111.1.el9_4, 5.14.0-570.86.1.el9_6, 6.12.0-55.65.1.el10_0
kernel-rt (Red Hat package) - addressed in versions 3.10.0-1160.147.1.rt56.1299.el7, 4.18.0-553.104.1.rt7.445.el8_10, 5.14.0-70.167.1.rt21.239.el9_0, 5.14.0-284.158.1.rt14.443.el9_2
ocfs2-kmp-default - 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-default - 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-debugsource - 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
kernel-default-kgraft - update to 4.12.14-122.293.1
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-debuginfo - 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-abi-stablelists - update to 4.18.0-553.107.1.0.1
kernel-debug-modules-extra - update to 4.18.0-553.107.1.0.1
python3-perf - update to 4.18.0-553.107.1.0.1
kernel-modules-extra - update to 4.18.0-553.107.1.0.1
kernel-modules - update to 4.18.0-553.107.1.0.1
kernel-debug-modules - update to 4.18.0-553.107.1.0.1
kernel-debug-core - update to 4.18.0-553.107.1.0.1
kernel-cross-headers - update to 4.18.0-553.107.1.0.1
kernel-core - update to 4.18.0-553.107.1.0.1
bpftool - addressed in versions 4.19.90-2601.2.0.0357, 5.10.0-297.0.0.200, 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 4.19.90-2601.2.0.0357, 5.10.0-297.0.0.199, 5.10.0-297.0.0.200, 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 4.19.90-2601.2.0.0357, 5.10.0-297.0.0.199, 5.10.0-297.0.0.200, 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 4.19.90-2601.2.0.0357, 5.10.0-297.0.0.199, 5.10.0-297.0.0.200, 6.6.0-144.0.0.127, 6.6.0-144.0.0.139, 6.6.0-144.0.0.140
python2-perf-debuginfo - update to 4.19.90-2601.2.0.0357
python2-perf - update to 4.19.90-2601.2.0.0357
perf-debuginfo - addressed in versions 4.19.90-2601.2.0.0357, 5.10.0-297.0.0.199, 5.10.0-297.0.0.200, 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 4.19.90-2601.2.0.0357, 5.10.0-297.0.0.199, 5.10.0-297.0.0.200, 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 4.19.90-2601.2.0.0357, 5.10.0-297.0.0.199, 5.10.0-297.0.0.200, 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 4.19.90-2601.2.0.0357, 5.10.0-297.0.0.199, 5.10.0-297.0.0.200, 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 4.19.90-2601.2.0.0357, 5.10.0-297.0.0.199, 5.10.0-297.0.0.200, 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 4.19.90-2601.2.0.0357, 5.10.0-297.0.0.199, 5.10.0-297.0.0.200, 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 4.19.90-2601.2.0.0357, 5.10.0-297.0.0.199, 5.10.0-297.0.0.200, 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 4.19.90-2601.2.0.0357, 5.10.0-297.0.0.199, 5.10.0-297.0.0.200, 6.6.0-144.0.0.127, 6.6.0-144.0.0.139, 6.6.0-144.0.0.140
bpftool-debuginfo - addressed in versions 4.19.90-2601.2.0.0357, 5.10.0-297.0.0.200, 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 4.19.90-2601.2.0.0357, 5.10.0-297.0.0.199, 5.10.0-297.0.0.200, 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 5.10.0-297.0.0.199, 5.10.0-297.0.0.200, 6.6.0-144.0.0.127, 6.6.0-144.0.0.139, 6.6.0-144.0.0.140
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-source-rt - update to 6.4.0-150700.7.31.1
kernel-devel-rt - update to 6.4.0-150700.7.31.1
kernel-syms-rt - update to 6.4.0-150700.7.31.1
kernel-rt-debugsource - update to 6.4.0-150700.7.31.2
dlm-kmp-rt-debuginfo - 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
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
dlm-kmp-rt - update to 6.4.0-150700.7.31.2
kernel-rt - 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-devel-azure - 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-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-obs-build-debugsource - 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 - update to 6.4.0-150700.53.31.1
kernel-64kb-debuginfo - 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
reiserfs-kmp-default - update to 6.4.0-150700.53.31.1
kernel-default-livepatch - update to 6.4.0-150700.53.31.1
reiserfs-kmp-default-debuginfo - update to 6.4.0-150700.53.31.1
kernel-default-livepatch-devel - 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-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