NULL pointer dereference in Linux kernel - CVE-2026-23210

Vulnerability identifier: #VU122885

CSH Severity: Low

CVSS v4 BT: 4.3 [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/E:U/U:Clear]

CVE-ID: CVE-2026-23210

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/net/ethernet/intel/ice/ice_ptp.h. A local user can perform a denial of service (DoS) attack.

Linux kernel
Debian Linux
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Desktop 15
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
SUSE Linux Enterprise Live Patching
SUSE Real Time Module
Basesystem Module
Development Tools Module
Legacy Module
Public Cloud Module
kernel-livepatch-6_4_0-150700_7_34-rt
kernel-livepatch-6_4_0-150700_7_34-rt-debuginfo
kernel-livepatch-SLE15-SP7-RT_Update_10-debugsource
kernel-livepatch-6_4_0-150700_53_34-default-debuginfo
kernel-livepatch-SLE15-SP7_Update_10-debugsource
kernel-livepatch-6_4_0-150700_53_34-default
kernel (Red Hat package)
kernel-rt-devel-debuginfo
kernel-rt-debuginfo
gfs2-kmp-rt
kernel-syms-rt
kernel-rt
kernel-source-rt
kernel-devel-rt
cluster-md-kmp-rt-debuginfo
dlm-kmp-rt-debuginfo
kernel-rt-debugsource
cluster-md-kmp-rt
gfs2-kmp-rt-debuginfo
dlm-kmp-rt
ocfs2-kmp-rt
kernel-rt-devel
ocfs2-kmp-rt-debuginfo
reiserfs-kmp-default-debuginfo
kernel-azure
kernel-azure-debugsource
kernel-azure-devel
kernel-azure-devel-debuginfo
ocfs2-kmp-default-debuginfo
cluster-md-kmp-default
dlm-kmp-default-debuginfo
ocfs2-kmp-default
gfs2-kmp-default-debuginfo
gfs2-kmp-default
dlm-kmp-default
cluster-md-kmp-default-debuginfo
kernel-default-extra-debuginfo
kernel-default-extra
kernel-default-livepatch
kernel-default-livepatch-devel
kernel-azure-debuginfo
kernel-source
reiserfs-kmp-default
kernel-64kb
kernel-64kb-devel
kernel-64kb-debugsource
kernel-64kb-devel-debuginfo
kernel-64kb-debuginfo
kernel-default
kernel-default-debugsource
kernel-default-devel-debuginfo
kernel-default-debuginfo
kernel-devel
kernel-default-devel
kernel-syms
kernel-obs-build-debugsource
kernel-obs-build
kernel-docs
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump
kernel-macros
kernel-default-base
kernel-debuginfo (Red Hat package)
kernel-debuginfo-common-s390x (Red Hat package)
kernel-zfcpdump-devel (Red Hat package)
kernel-zfcpdump-devel-matched (Red Hat package)
kernel-debuginfo-common-ppc64le (Red Hat package)
kernel-64k-debug-debuginfo (Red Hat package)
kernel-64k-debug-devel (Red Hat package)
kernel-64k-debug-devel-matched (Red Hat package)
kernel-64k-debuginfo (Red Hat package)
kernel-64k-devel (Red Hat package)
kernel-64k-devel-matched (Red Hat package)
kernel-debuginfo-common-aarch64 (Red Hat package)
kernel-debug-debuginfo (Red Hat package)
rv (Red Hat package)
rtla (Red Hat package)
python3-perf (Red Hat package)
perf (Red Hat package)
kernel-tools-debuginfo (Red Hat package)
kernel-headers (Red Hat package)
kernel-devel-matched (Red Hat package)
kernel-devel (Red Hat package)
kernel-debuginfo-common-x86_64 (Red Hat package)
kernel-debug-devel-matched (Red Hat package)
kernel-debug-devel (Red Hat package)
linux (Debian package)

Install update from vendor's repository.

kernel-livepatch-6_4_0-150700_7_34-rt - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_7_34-rt-debuginfo - update to 1-150700.1.3.1
kernel-livepatch-SLE15-SP7-RT_Update_10-debugsource - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_53_34-default-debuginfo - update to 1-150700.15.3.1
kernel-livepatch-SLE15-SP7_Update_10-debugsource - update to 1-150700.15.3.1
kernel-livepatch-6_4_0-150700_53_34-default - update to 1-150700.15.3.1
kernel (Red Hat package) - update to 5.14.0-611.47.1.el9_7
kernel-rt-devel-debuginfo - update to 6.4.0-150700.7.34.1
kernel-rt-debuginfo - update to 6.4.0-150700.7.34.1
gfs2-kmp-rt - update to 6.4.0-150700.7.34.1
kernel-syms-rt - update to 6.4.0-150700.7.34.1
kernel-rt - update to 6.4.0-150700.7.34.1
kernel-source-rt - update to 6.4.0-150700.7.34.1
kernel-devel-rt - update to 6.4.0-150700.7.34.1
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150700.7.34.1
dlm-kmp-rt-debuginfo - update to 6.4.0-150700.7.34.1
kernel-rt-debugsource - update to 6.4.0-150700.7.34.1
cluster-md-kmp-rt - update to 6.4.0-150700.7.34.1
gfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.34.1
dlm-kmp-rt - update to 6.4.0-150700.7.34.1
ocfs2-kmp-rt - update to 6.4.0-150700.7.34.1
kernel-rt-devel - update to 6.4.0-150700.7.34.1
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.34.1
reiserfs-kmp-default-debuginfo - update to 6.4.0-150700.53.34.1
kernel-azure - update to 6.4.0-150700.53.34.1
kernel-azure-debugsource - update to 6.4.0-150700.53.34.1
kernel-azure-devel - update to 6.4.0-150700.53.34.1
kernel-azure-devel-debuginfo - update to 6.4.0-150700.53.34.1
ocfs2-kmp-default-debuginfo - update to 6.4.0-150700.53.34.1
cluster-md-kmp-default - update to 6.4.0-150700.53.34.1
dlm-kmp-default-debuginfo - update to 6.4.0-150700.53.34.1
ocfs2-kmp-default - update to 6.4.0-150700.53.34.1
gfs2-kmp-default-debuginfo - update to 6.4.0-150700.53.34.1
gfs2-kmp-default - update to 6.4.0-150700.53.34.1
dlm-kmp-default - update to 6.4.0-150700.53.34.1
cluster-md-kmp-default-debuginfo - update to 6.4.0-150700.53.34.1
kernel-default-extra-debuginfo - update to 6.4.0-150700.53.34.1
kernel-default-extra - update to 6.4.0-150700.53.34.1
kernel-default-livepatch - update to 6.4.0-150700.53.34.1
kernel-default-livepatch-devel - update to 6.4.0-150700.53.34.1
kernel-azure-debuginfo - update to 6.4.0-150700.53.34.1
kernel-source - update to 6.4.0-150700.53.34.1
reiserfs-kmp-default - update to 6.4.0-150700.53.34.1
kernel-64kb - update to 6.4.0-150700.53.34.1
kernel-64kb-devel - update to 6.4.0-150700.53.34.1
kernel-64kb-debugsource - update to 6.4.0-150700.53.34.1
kernel-64kb-devel-debuginfo - update to 6.4.0-150700.53.34.1
kernel-64kb-debuginfo - update to 6.4.0-150700.53.34.1
kernel-default - update to 6.4.0-150700.53.34.1
kernel-default-debugsource - update to 6.4.0-150700.53.34.1
kernel-default-devel-debuginfo - update to 6.4.0-150700.53.34.1
kernel-default-debuginfo - update to 6.4.0-150700.53.34.1
kernel-devel - update to 6.4.0-150700.53.34.1
kernel-default-devel - update to 6.4.0-150700.53.34.1
kernel-syms - update to 6.4.0-150700.53.34.1
kernel-obs-build-debugsource - update to 6.4.0-150700.53.34.1
kernel-obs-build - update to 6.4.0-150700.53.34.1
kernel-docs - update to 6.4.0-150700.53.34.1
kernel-zfcpdump-debuginfo - update to 6.4.0-150700.53.34.1
kernel-zfcpdump-debugsource - update to 6.4.0-150700.53.34.1
kernel-zfcpdump - update to 6.4.0-150700.53.34.1
kernel-macros - update to 6.4.0-150700.53.34.1
kernel-default-base - update to 6.4.0-150700.53.34.1.150700.17.23.1
kernel-debuginfo (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-debuginfo-common-s390x (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-zfcpdump-devel (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-zfcpdump-devel-matched (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-debuginfo-common-ppc64le (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-64k-debug-debuginfo (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-64k-debug-devel (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-64k-debug-devel-matched (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-64k-debuginfo (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-64k-devel (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-64k-devel-matched (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-debuginfo-common-aarch64 (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-debug-debuginfo (Red Hat package) - update to 6.12.0-55.76.1.el10_0
rv (Red Hat package) - update to 6.12.0-55.76.1.el10_0
rtla (Red Hat package) - update to 6.12.0-55.76.1.el10_0
python3-perf (Red Hat package) - update to 6.12.0-55.76.1.el10_0
perf (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-tools-debuginfo (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-headers (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-devel-matched (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-devel (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-debuginfo-common-x86_64 (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-debug-devel-matched (Red Hat package) - update to 6.12.0-55.76.1.el10_0
kernel-debug-devel (Red Hat package) - update to 6.12.0-55.76.1.el10_0
linux (Debian package) - update to 6.12.85-1

• https://git.kernel.org/stable/c/7565d4df66b6619b50dc36618d8b8f1787d77e19
• https://git.kernel.org/stable/c/fc6f36eaaedcf4b81af6fe1a568f018ffd530660

• NULL pointer dereference in Linux kernel intel ice driver
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• Red Hat Enterprise Linux 9 update for kernel
• Debian update for linux
• Red Hat Enterprise Linux 10 update for kernel