NULL pointer dereference in Linux kernel - CVE-2025-68302

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Main Vulnerability Database Vulnerabilities #VU120044

NULL pointer dereference in Linux kernel - CVE-2025-68302

Published: December 16, 2025


Vulnerability identifier: #VU120044
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-2025-68302
CWE-ID: CWE-476
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 NULL pointer dereference within the sxgbe_rx() function in drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Live Patching
Development Tools Module
Basesystem Module
Public Cloud Module
SUSE Real Time Module
Legacy Module
Ubuntu
kernel-livepatch-6_4_0-150700_7_28-rt
kernel-livepatch-SLE15-SP7-RT_Update_8-debugsource
kernel-livepatch-6_4_0-150700_7_28-rt-debuginfo
kernel-livepatch-6_4_0-150700_53_28-default-debuginfo
kernel-livepatch-SLE15-SP7_Update_8-debugsource
kernel-livepatch-6_4_0-150700_53_28-default
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)
kernel-rt-devel-debuginfo
cluster-md-kmp-rt-debuginfo
kernel-syms-rt
ocfs2-kmp-rt
kernel-rt-devel
ocfs2-kmp-rt-debuginfo
dlm-kmp-rt
kernel-rt-debugsource
gfs2-kmp-rt-debuginfo
gfs2-kmp-rt
cluster-md-kmp-rt
kernel-devel-rt
kernel-source-rt
kernel-rt
dlm-kmp-rt-debuginfo
kernel-rt-debuginfo
kernel-azure
kernel-syms-azure
kernel-azure-devel-debuginfo
kernel-azure-devel
kernel-azure-debuginfo
kernel-source-azure
kernel-azure-debugsource
kernel-devel-azure
kernel-source
gfs2-kmp-default
ocfs2-kmp-default
cluster-md-kmp-default-debuginfo
cluster-md-kmp-default
ocfs2-kmp-default-debuginfo
dlm-kmp-default
dlm-kmp-default-debuginfo
reiserfs-kmp-default
reiserfs-kmp-default-debuginfo
kernel-default
kernel-obs-build
kernel-obs-build-debugsource
kernel-syms
kernel-docs
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-zfcpdump
kernel-devel
kernel-64kb-devel-debuginfo
kernel-default-debuginfo
kernel-default-livepatch
kernel-default-debugsource
kernel-default-livepatch-devel
kernel-64kb
kernel-64kb-debuginfo
kernel-64kb-debugsource
kernel-macros
gfs2-kmp-default-debuginfo
kernel-64kb-devel
kernel-default-devel-debuginfo
kernel-default-devel
kernel-default-extra
kernel-default-extra-debuginfo
kernel-default-base
linux-xilinx (Ubuntu package)
linux-nvidia (Ubuntu package)
linux-aws-6.8 (Ubuntu package)
linux-azure-6.8 (Ubuntu package)
linux-gcp-6.17 (Ubuntu package)
linux-realtime-6.17 (Ubuntu package)
linux-oem-6.17 (Ubuntu package)

How to mitigate CVE-2025-68302

Install update from vendor's repository.

kernel-livepatch-6_4_0-150700_7_28-rt - update to 1-150700.1.3.1
kernel-livepatch-SLE15-SP7-RT_Update_8-debugsource - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_7_28-rt-debuginfo - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_53_28-default-debuginfo - update to 1-150700.15.3.1
kernel-livepatch-SLE15-SP7_Update_8-debugsource - update to 1-150700.15.3.1
kernel-livepatch-6_4_0-150700_53_28-default - update to 1-150700.15.3.1
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, 6.8.0-106.106+fips1, 6.8.0-1050.53+fips1, 6.8.0-1052.55+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, 6.8.0-106.106, 6.8.0-106.106.1, 6.8.0-106.106.1~22.04.1, 6.8.0-106.106~22.04.1, 6.8.0-1035.38, 6.8.0-1047.48, 6.8.0-1047.48~22.04.1, 6.8.0-1048.53, 6.8.0-1049.49, 6.8.0-1049.49~22.04.1, 6.8.0-1050.53, 6.8.0-1052.55, 6.8.0-1052.55~22.04.1, 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, 6.8.0-1050.54, 6.8.0-2040.41, 6.17.0-1010.10
linux-realtime (Ubuntu package) - addressed in versions 5.15.0.1102.106, 5.15.0-1102.111, 6.8.1-1045.46, 6.8.1-1045.46~22.04.1
linux-azure-fips (Ubuntu package) - addressed in versions 5.15.0.1109.94, 5.15.0-1109.118+fips1, 6.8.0-1052.58+fips1
linux-azure (Ubuntu package) - addressed in versions 5.15.0.1109.107, 5.15.0-1109.118, 6.8.0-1051.57, 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
kernel-rt-devel-debuginfo - update to 6.4.0-150700.7.28.1
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150700.7.28.1
kernel-syms-rt - update to 6.4.0-150700.7.28.1
ocfs2-kmp-rt - update to 6.4.0-150700.7.28.1
kernel-rt-devel - update to 6.4.0-150700.7.28.1
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.28.1
dlm-kmp-rt - update to 6.4.0-150700.7.28.1
kernel-rt-debugsource - update to 6.4.0-150700.7.28.1
gfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.28.1
gfs2-kmp-rt - update to 6.4.0-150700.7.28.1
cluster-md-kmp-rt - update to 6.4.0-150700.7.28.1
kernel-devel-rt - update to 6.4.0-150700.7.28.1
kernel-source-rt - update to 6.4.0-150700.7.28.1
kernel-rt - update to 6.4.0-150700.7.28.1
dlm-kmp-rt-debuginfo - update to 6.4.0-150700.7.28.1
kernel-rt-debuginfo - update to 6.4.0-150700.7.28.1
kernel-azure - update to 6.4.0-150700.20.24.1
kernel-syms-azure - update to 6.4.0-150700.20.24.1
kernel-azure-devel-debuginfo - update to 6.4.0-150700.20.24.1
kernel-azure-devel - update to 6.4.0-150700.20.24.1
kernel-azure-debuginfo - update to 6.4.0-150700.20.24.1
kernel-source-azure - update to 6.4.0-150700.20.24.1
kernel-azure-debugsource - update to 6.4.0-150700.20.24.1
kernel-devel-azure - update to 6.4.0-150700.20.24.1
kernel-source - update to 6.4.0-150700.53.28.1
gfs2-kmp-default - update to 6.4.0-150700.53.28.1
ocfs2-kmp-default - update to 6.4.0-150700.53.28.1
cluster-md-kmp-default-debuginfo - update to 6.4.0-150700.53.28.1
cluster-md-kmp-default - update to 6.4.0-150700.53.28.1
ocfs2-kmp-default-debuginfo - update to 6.4.0-150700.53.28.1
dlm-kmp-default - update to 6.4.0-150700.53.28.1
dlm-kmp-default-debuginfo - update to 6.4.0-150700.53.28.1
reiserfs-kmp-default - update to 6.4.0-150700.53.28.1
reiserfs-kmp-default-debuginfo - update to 6.4.0-150700.53.28.1
kernel-default - update to 6.4.0-150700.53.28.1
kernel-obs-build - update to 6.4.0-150700.53.28.1
kernel-obs-build-debugsource - update to 6.4.0-150700.53.28.1
kernel-syms - update to 6.4.0-150700.53.28.1
kernel-docs - update to 6.4.0-150700.53.28.1
kernel-zfcpdump-debugsource - update to 6.4.0-150700.53.28.1
kernel-zfcpdump-debuginfo - update to 6.4.0-150700.53.28.1
kernel-zfcpdump - update to 6.4.0-150700.53.28.1
kernel-devel - update to 6.4.0-150700.53.28.1
kernel-64kb-devel-debuginfo - update to 6.4.0-150700.53.28.1
kernel-default-debuginfo - update to 6.4.0-150700.53.28.1
kernel-default-livepatch - update to 6.4.0-150700.53.28.1
kernel-default-debugsource - update to 6.4.0-150700.53.28.1
kernel-default-livepatch-devel - update to 6.4.0-150700.53.28.1
kernel-64kb - update to 6.4.0-150700.53.28.1
kernel-64kb-debuginfo - update to 6.4.0-150700.53.28.1
kernel-64kb-debugsource - update to 6.4.0-150700.53.28.1
kernel-macros - update to 6.4.0-150700.53.28.1
gfs2-kmp-default-debuginfo - update to 6.4.0-150700.53.28.1
kernel-64kb-devel - update to 6.4.0-150700.53.28.1
kernel-default-devel-debuginfo - update to 6.4.0-150700.53.28.1
kernel-default-devel - update to 6.4.0-150700.53.28.1
kernel-default-extra - update to 6.4.0-150700.53.28.1
kernel-default-extra-debuginfo - update to 6.4.0-150700.53.28.1
kernel-default-base - update to 6.4.0-150700.53.28.1.150700.17.19.1
linux-xilinx (Ubuntu package) - update to 6.8.0-1029.30
linux-nvidia (Ubuntu package) - addressed in versions 6.8.0-1049.52, 6.8.0-1049.52.1, 6.8.0-1049.52~22.04.1
linux-aws-6.8 (Ubuntu package) - update to 6.8.0-1050.53~22.04.1
linux-azure-6.8 (Ubuntu package) - update to 6.8.0-1051.57~22.04.1
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