NULL pointer dereference in Linux kernel - CVE-2025-40086

Vulnerability identifier: #VU117857

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-2025-40086

CWE-ID: CWE-476

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the drivers/gpu/drm/xe/xe_vm_types.h. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Workstation Extension 15
Development Tools Module
Public Cloud Module
SUSE Real Time Module
SUSE Linux Enterprise Live Patching
Legacy Module
Basesystem Module
Ubuntu
kernel-livepatch-6_4_0-150700_7_25-rt-debuginfo
kernel-livepatch-6_4_0-150700_7_25-rt
kernel-livepatch-SLE15-SP7-RT_Update_7-debugsource
kernel-livepatch-SLE15-SP7_Update_7-debugsource
kernel-livepatch-6_4_0-150700_53_25-default
kernel-livepatch-6_4_0-150700_53_25-default-debuginfo
kernel-rt-devel-debuginfo
kernel-rt-devel
kernel-rt-debugsource
ocfs2-kmp-rt
ocfs2-kmp-rt-debuginfo
gfs2-kmp-rt-debuginfo
dlm-kmp-rt
kernel-syms-rt
dlm-kmp-rt-debuginfo
gfs2-kmp-rt
cluster-md-kmp-rt-debuginfo
kernel-rt-debuginfo
kernel-devel-rt
kernel-source-rt
kernel-rt
cluster-md-kmp-rt
kernel-azure-debugsource
kernel-devel-azure
kernel-source-azure
kernel-syms-azure
kernel-azure-debuginfo
kernel-azure-devel
kernel-azure-devel-debuginfo
kernel-azure
kernel-default-livepatch-devel
kernel-default-livepatch
kernel-64kb-devel-debuginfo
kernel-default-extra-debuginfo
kernel-64kb
kernel-64kb-devel
kernel-64kb-debugsource
kernel-64kb-debuginfo
kernel-default
kernel-default-devel-debuginfo
kernel-default-debuginfo
kernel-default-devel
kernel-default-debugsource
kernel-devel
kernel-macros
kernel-zfcpdump
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
dlm-kmp-default-debuginfo
kernel-default-extra
ocfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
dlm-kmp-default
cluster-md-kmp-default
ocfs2-kmp-default
gfs2-kmp-default
gfs2-kmp-default-debuginfo
reiserfs-kmp-default-debuginfo
reiserfs-kmp-default
kernel-source
kernel-obs-build-debugsource
kernel-syms
kernel-obs-build
kernel-default-base
kernel-docs
linux (Ubuntu package)
linux-gcp (Ubuntu package)
linux-aws (Ubuntu package)
linux-azure (Ubuntu package)
linux-oem-6.17 (Ubuntu package)

Install update from vendor's repository.

kernel-livepatch-6_4_0-150700_7_25-rt-debuginfo - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_7_25-rt - update to 1-150700.1.3.1
kernel-livepatch-SLE15-SP7-RT_Update_7-debugsource - update to 1-150700.1.3.1
kernel-livepatch-SLE15-SP7_Update_7-debugsource - update to 1-150700.15.3.1
kernel-livepatch-6_4_0-150700_53_25-default - update to 1-150700.15.3.1
kernel-livepatch-6_4_0-150700_53_25-default-debuginfo - update to 1-150700.15.3.1
kernel-rt-devel-debuginfo - update to 6.4.0-150700.7.25.1
kernel-rt-devel - update to 6.4.0-150700.7.25.1
kernel-rt-debugsource - update to 6.4.0-150700.7.25.1
ocfs2-kmp-rt - update to 6.4.0-150700.7.25.1
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.25.1
gfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.25.1
dlm-kmp-rt - update to 6.4.0-150700.7.25.1
kernel-syms-rt - update to 6.4.0-150700.7.25.1
dlm-kmp-rt-debuginfo - update to 6.4.0-150700.7.25.1
gfs2-kmp-rt - update to 6.4.0-150700.7.25.1
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150700.7.25.1
kernel-rt-debuginfo - update to 6.4.0-150700.7.25.1
kernel-devel-rt - update to 6.4.0-150700.7.25.1
kernel-source-rt - update to 6.4.0-150700.7.25.1
kernel-rt - update to 6.4.0-150700.7.25.1
cluster-md-kmp-rt - update to 6.4.0-150700.7.25.1
kernel-azure-debugsource - update to 6.4.0-150700.20.21.1
kernel-devel-azure - update to 6.4.0-150700.20.21.1
kernel-source-azure - update to 6.4.0-150700.20.21.1
kernel-syms-azure - update to 6.4.0-150700.20.21.1
kernel-azure-debuginfo - update to 6.4.0-150700.20.21.1
kernel-azure-devel - update to 6.4.0-150700.20.21.1
kernel-azure-devel-debuginfo - update to 6.4.0-150700.20.21.1
kernel-azure - update to 6.4.0-150700.20.21.1
kernel-default-livepatch-devel - update to 6.4.0-150700.53.25.1
kernel-default-livepatch - update to 6.4.0-150700.53.25.1
kernel-64kb-devel-debuginfo - update to 6.4.0-150700.53.25.1
kernel-default-extra-debuginfo - update to 6.4.0-150700.53.25.1
kernel-64kb - update to 6.4.0-150700.53.25.1
kernel-64kb-devel - update to 6.4.0-150700.53.25.1
kernel-64kb-debugsource - update to 6.4.0-150700.53.25.1
kernel-64kb-debuginfo - update to 6.4.0-150700.53.25.1
kernel-default - update to 6.4.0-150700.53.25.1
kernel-default-devel-debuginfo - update to 6.4.0-150700.53.25.1
kernel-default-debuginfo - update to 6.4.0-150700.53.25.1
kernel-default-devel - update to 6.4.0-150700.53.25.1
kernel-default-debugsource - update to 6.4.0-150700.53.25.1
kernel-devel - update to 6.4.0-150700.53.25.1
kernel-macros - update to 6.4.0-150700.53.25.1
kernel-zfcpdump - update to 6.4.0-150700.53.25.1
kernel-zfcpdump-debugsource - update to 6.4.0-150700.53.25.1
kernel-zfcpdump-debuginfo - update to 6.4.0-150700.53.25.1
dlm-kmp-default-debuginfo - update to 6.4.0-150700.53.25.1
kernel-default-extra - update to 6.4.0-150700.53.25.1
ocfs2-kmp-default-debuginfo - update to 6.4.0-150700.53.25.1
cluster-md-kmp-default-debuginfo - update to 6.4.0-150700.53.25.1
dlm-kmp-default - update to 6.4.0-150700.53.25.1
cluster-md-kmp-default - update to 6.4.0-150700.53.25.1
ocfs2-kmp-default - update to 6.4.0-150700.53.25.1
gfs2-kmp-default - update to 6.4.0-150700.53.25.1
gfs2-kmp-default-debuginfo - update to 6.4.0-150700.53.25.1
reiserfs-kmp-default-debuginfo - update to 6.4.0-150700.53.25.1
reiserfs-kmp-default - update to 6.4.0-150700.53.25.1
kernel-source - update to 6.4.0-150700.53.25.1
kernel-obs-build-debugsource - update to 6.4.0-150700.53.25.1
kernel-syms - update to 6.4.0-150700.53.25.1
kernel-obs-build - update to 6.4.0-150700.53.25.1
kernel-default-base - update to 6.4.0-150700.53.25.1.150700.17.17.1
kernel-docs - update to 6.4.0-150700.53.25.2
linux (Ubuntu package) - addressed in versions 6.17.0-14.14, 6.17.0-1006.7, 6.17.0-1008.8
linux-gcp (Ubuntu package) - update to 6.17.0-1007.7
linux-aws (Ubuntu package) - update to 6.17.0-1007.7
linux-azure (Ubuntu package) - update to 6.17.0-1008.8
linux-oem-6.17 (Ubuntu package) - update to 6.17.0-1011.11

• https://git.kernel.org/stable/c/5aa0ab0ba7d94549cfe17d6ef7a4f33ba1de8384
• https://git.kernel.org/stable/c/7ac74613e5f2ef3450f44fd2127198662c2563a9

• NULL pointer dereference in Linux kernel drm xe driver
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• Ubuntu update for linux-gcp
• Ubuntu update for linux
• Ubuntu update for linux-aws
• Ubuntu update for linux-oem-6.17
• Ubuntu update for linux-azure