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OpenAdvisories
Medium · 5.5 CVE-2023-46343 EUVD-2023-50563GHSA-jjwf-q2q5-945c

In the Linux kernel before 6.5.9, there is a NULL pointer dereference in send_acknowledge in net/nfc/nci/spi.c.

Published Jan 23, 2024 · Updated Jun 17, 2025 · Assigned by mitre

Package: kernel Package: linux Package: linux Package: linux-allwinner-5.19 Package: linux-aws Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.15 Package: linux-aws-5.19 Package: linux-aws-5.3 Package: linux-aws-5.4 Package: linux-aws-5.8 Package: linux-aws-6.2 Package: linux-aws-6.5 Package: linux-aws-fips Package: linux-aws-hwe Package: linux-azure Package: linux-azure-4.15 Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.15 Package: linux-azure-5.19 Package: linux-azure-5.3 Package: linux-azure-5.4 Package: linux-azure-5.8 Package: linux-azure-6.2 Package: linux-azure-6.5 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.2 Package: linux-azure-fips Package: linux-bluefield Package: linux-fips Package: linux-gcp Package: linux-gcp-4.15 Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.15 Package: linux-gcp-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.4 Package: linux-gcp-5.8 Package: linux-gcp-6.2 Package: linux-gcp-6.5 Package: linux-gcp-fips Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.15 Package: linux-gke-5.4 Package: linux-gkeop Package: linux-gkeop-5.15 Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.15 Package: linux-hwe-5.19 Package: linux-hwe-5.4 Package: linux-hwe-5.8 Package: linux-hwe-6.2 Package: linux-hwe-6.5 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.15 Package: linux-ibm-5.4 Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-intel-iotg Package: linux-intel-iotg-5.15 Package: linux-iot Package: linux-kvm Package: linux-lowlatency Package: linux-lowlatency-hwe-5.15 Package: linux-lowlatency-hwe-5.19 Package: linux-lowlatency-hwe-6.2 Package: linux-lowlatency-hwe-6.5 Package: linux-lts-xenial Package: linux-nvidia Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 Package: linux-nvidia-tegra Package: linux-nvidia-tegra-5.15 Package: linux-nvidia-tegra-igx Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.14 Package: linux-oem-5.17 Package: linux-oem-5.6 Package: linux-oem-6.0 Package: linux-oem-6.1 Package: linux-oem-6.5 Package: linux-oracle Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.15 Package: linux-oracle-5.3 Package: linux-oracle-5.4 Package: linux-oracle-5.8 Package: linux-oracle-6.5 Package: linux-raspi Package: linux-raspi-5.4 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.15 Package: linux-riscv-5.19 Package: linux-riscv-5.8 Package: linux-riscv-6.5 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Package: linux-vmware Package: linux-xilinx-zynqmp Ecosystem: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

In the Linux kernel before 6.5.9, there is a NULL pointer dereference in send_acknowledge in net/nfc/nci/spi.c.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 linux 6.5.10-1 —
Debian 13 linux 6.5.10-1 —
Debian 12 linux 6.1.64-1 —
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1037.39 —
Ubuntu 24.04 LTS linux-raspi 6.7.0-1001.1 —
Ubuntu 24.04 LTS linux-raspi-realtime No fix yet —
Ubuntu 22.04 LTS linux +1 5.15.0-100.110 USN-6686-2, USN-6686-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1056.61 USN-6705-1
Ubuntu 22.04 LTS linux-aws-6.5 +1 6.5.0-1015.15~22.04.1 USN-6680-3, USN-6680-1
Ubuntu 22.04 LTS linux-azure 5.15.0-1058.66 USN-6686-1
Ubuntu 22.04 LTS linux-azure-6.5 6.5.0-1016.16~22.04.1 USN-6680-2
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1058.66.1 USN-6686-1
Ubuntu 22.04 LTS linux-gcp 5.15.0-1053.61 USN-6686-1
Ubuntu 22.04 LTS linux-gke +1 5.15.0-1052.57 USN-6686-4, USN-6686-1
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1038.44 USN-6686-1
Ubuntu 22.04 LTS linux-hwe-6.5 6.5.0-25.25~22.04.1 USN-6680-2
Ubuntu 22.04 LTS linux-ibm +1 5.15.0-1048.51 USN-6686-2, USN-6686-1
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1050.56 USN-6686-5
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1046.46 USN-6686-1
Ubuntu 22.04 LTS linux-nvidia-6.5 6.5.0-1014.14 —
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1025.25 —
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1012.12 —
Ubuntu 22.04 LTS linux-oem-6.5 6.5.0-1016.17 USN-6680-1
Ubuntu 22.04 LTS linux-oracle 5.15.0-1053.59 USN-6686-3
Ubuntu 22.04 LTS linux-riscv +22 No fix yet —
Ubuntu 22.04 LTS linux-riscv-6.5 +1 6.5.0-25.25.1~22.04.1 USN-6680-1
Ubuntu 22.04 LTS linux-starfive-6.5 6.5.0-1009.10~22.04.1 USN-6680-1
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1030.34 —
Ubuntu 20.04 LTS linux 5.4.0-171.189 USN-6625-1
Ubuntu 20.04 LTS linux-aws 5.4.0-1118.128 USN-6625-1
Ubuntu 20.04 LTS linux-aws-5.15 5.15.0-1056.61~20.04.1 USN-6705-1
Ubuntu 20.04 LTS linux-azure 5.4.0-1123.130 USN-6625-1
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1058.66~20.04.2 USN-6686-1
Ubuntu 20.04 LTS linux-azure-fde-5.15 5.15.0-1058.66~20.04.2.1 USN-6686-1
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1078.84 USN-6625-1
Ubuntu 20.04 LTS linux-gcp 5.4.0-1122.131 USN-6625-2
Ubuntu 20.04 LTS linux-gcp-5.15 5.15.0-1053.61~20.04.1 USN-6686-1
Ubuntu 20.04 LTS linux-gke +26 No fix yet —
Ubuntu 20.04 LTS linux-gkeop 5.4.0-1085.89 USN-6625-1
Ubuntu 20.04 LTS linux-gkeop-5.15 5.15.0-1038.44~20.04.1 USN-6686-1
Ubuntu 20.04 LTS linux-hwe-5.15 +1 5.15.0-100.110~20.04.1 USN-6686-1
Ubuntu 20.04 LTS linux-ibm 5.4.0-1065.70 USN-6625-1
Ubuntu 20.04 LTS linux-ibm-5.15 5.15.0-1048.51~20.04.1 USN-6686-1
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1050.56~20.04.1 USN-6686-5
Ubuntu 20.04 LTS linux-iot 5.4.0-1030.31 USN-6625-1
Ubuntu 20.04 LTS linux-kvm 5.4.0-1106.113 USN-6625-1
Ubuntu 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1025.25~20.04.1 —
Ubuntu 20.04 LTS linux-oracle 5.4.0-1117.126 USN-6625-1
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1053.59~20.04.1 USN-6686-3
Ubuntu 20.04 LTS linux-raspi 5.4.0-1102.114 USN-6625-3
Ubuntu 20.04 LTS linux-riscv-5.15 5.15.0-1051.55~20.04.1 —
Ubuntu 20.04 LTS linux-xilinx-zynqmp 5.4.0-1037.41 USN-6625-1
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Show 13 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1048.50 —
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1056.63 —
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-updates 22.04 LTS linux-aws-fips 5.15.0-1056.61+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-100.110+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1055.63+fips2 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1118.128+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1123.130+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1092.102 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1122.131+fips1 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-aws-fips 4.15.0-2109.115 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-azure-fips 4.15.0-2088.94 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips 4.15.0-1125.136 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-gcp-fips 4.15.0-2072.77 —
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips 4.4.0-1103.110 —
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro 18.04 LTS linux 4.15.0-227.239 USN-6926-1
Ubuntu Pro 18.04 LTS linux-aws 4.15.0-1170.183 USN-6926-1
Ubuntu Pro 18.04 LTS linux-aws-5.4 5.4.0-1118.128~18.04.1 USN-6625-1
Ubuntu Pro 18.04 LTS linux-azure-4.15 4.15.0-1179.194 USN-6926-2
Ubuntu Pro 18.04 LTS linux-azure-5.4 5.4.0-1123.130~18.04.1 USN-6625-1
Ubuntu Pro 18.04 LTS linux-gcp-4.15 4.15.0-1164.181 USN-6926-1
Ubuntu Pro 18.04 LTS linux-gcp-5.4 5.4.0-1122.131~18.04.1 USN-6625-2
Ubuntu Pro 18.04 LTS linux-hwe-5.4 5.4.0-171.189~18.04.1 USN-6625-1
Ubuntu Pro 18.04 LTS linux-ibm-5.4 5.4.0-1065.70~18.04.1 USN-6625-1
Ubuntu Pro 18.04 LTS linux-kvm 4.15.0-1154.159 USN-6926-1
Ubuntu Pro 18.04 LTS linux-oracle 4.15.0-1133.144 USN-6926-1
Ubuntu Pro 18.04 LTS linux-oracle-5.4 5.4.0-1117.126~18.04.1 USN-6625-1
Ubuntu Pro 18.04 LTS linux-raspi-5.4 5.4.0-1102.114~18.04.1 USN-6625-3
Ubuntu Pro 16.04 LTS linux 4.4.0-257.291 USN-6938-1
Ubuntu Pro 16.04 LTS linux-aws 4.4.0-1172.187 USN-6938-1
Ubuntu Pro 16.04 LTS linux-aws-hwe 4.15.0-1170.183~16.04.1 USN-6926-1
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1179.194~16.04.1 USN-6926-3
Ubuntu Pro 16.04 LTS linux-gcp 4.15.0-1164.181~16.04.1 USN-6926-1
Ubuntu Pro 16.04 LTS linux-hwe 4.15.0-227.239~16.04.1 USN-6926-1
Ubuntu Pro 16.04 LTS linux-kvm 4.4.0-1135.145 USN-6938-1
Ubuntu Pro 16.04 LTS linux-oracle 4.15.0-1133.144~16.04.1 USN-6926-1
Ubuntu Pro 14.04 LTS linux No fix yet —
Ubuntu Pro 14.04 LTS linux-aws 4.4.0-1134.140 USN-6938-1
Ubuntu Pro 14.04 LTS linux-azure 4.15.0-1179.194~14.04.1 USN-6926-2
Ubuntu Pro 14.04 LTS linux-lts-xenial 4.4.0-257.291~14.04.1 USN-6938-1
ReleasePackageFixed inAdvisory
SLES 15 SP3 kernel-64kb +6 5.3.18-150300.59.153.2 SUSE-SU-2024:4140-1, SUSE-SU-2024:0857-1
SLES 15 SP3 kernel-default-base 5.3.18-150300.59.153.2.150300.18.90.2 SUSE-SU-2024:4140-1, SUSE-SU-2024:0857-1
SLES 15 SP3 kernel-syms 5.3.18-150300.59.153.1 SUSE-SU-2024:4140-1, SUSE-SU-2024:0857-1
SLES 15 SP2 kernel-default-base 5.3.18-150200.24.183.1.150200.9.93.2 SUSE-SU-2024:4103-1, SUSE-SU-2024:0926-1
SLES 15 SP2 kernel-docs +5 5.3.18-150200.24.183.1 SUSE-SU-2024:4103-1, SUSE-SU-2024:0926-1
SLES 12 SP5 kernel-azure +2 4.12.14-16.173.1 SUSE-SU-2024:0975-1
SLES 12 SP5 kernel-docs +3 4.12.14-122.201.1 SUSE-SU-2025:0034-1, SUSE-SU-2024:0925-1
SLES 12 SP5 kernel-obs-build 4.12.14-122.201.2 SUSE-SU-2024:0925-1
Show 12 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP3 kernel-default-base 5.3.18-150300.59.153.2.150300.18.90.2 SUSE-SU-2024:4140-1, SUSE-SU-2024:0857-1
SLES for SAP 15 SP3 kernel-docs +4 5.3.18-150300.59.153.2 SUSE-SU-2024:4140-1, SUSE-SU-2024:0857-1
SLES for SAP 15 SP3 kernel-syms 5.3.18-150300.59.153.1 SUSE-SU-2024:4140-1, SUSE-SU-2024:0857-1
SLES for SAP 15 SP2 kernel-default-base 5.3.18-150200.24.183.1.150200.9.93.2 SUSE-SU-2024:4103-1, SUSE-SU-2024:0926-1
SLES for SAP 15 SP2 kernel-docs +5 5.3.18-150200.24.183.1 SUSE-SU-2024:4103-1, SUSE-SU-2024:0926-1
SLES for SAP 12 SP5 kernel-azure +2 4.12.14-16.173.1 SUSE-SU-2024:0975-1
SLES for SAP 12 SP5 kernel-syms +2 4.12.14-122.201.1 SUSE-SU-2024:0925-1
SLE Real Time 12 SP5 kernel-rt +3 4.12.14-10.171.1 SUSE-SU-2024:0976-1
SLE Micro 5.2 kernel-default 5.3.18-150300.59.153.2 SUSE-SU-2024:4140-1, SUSE-SU-2024:0857-1
SLE Micro 5.2 kernel-default-base 5.3.18-150300.59.153.2.150300.18.90.2 SUSE-SU-2024:4140-1, SUSE-SU-2024:0857-1
SLE Micro 5.2 kernel-rt +1 5.3.18-150300.161.1 SUSE-SU-2024:4081-1, SUSE-SU-2024:0856-1
SLE Micro 5.1 kernel-default 5.3.18-150300.59.153.2 SUSE-SU-2024:4140-1, SUSE-SU-2024:0857-1
SLE Micro 5.1 kernel-default-base 5.3.18-150300.59.153.2.150300.18.90.2 SUSE-SU-2024:4140-1, SUSE-SU-2024:0857-1
SLE Micro 5.1 kernel-rt +1 5.3.18-150300.161.1 SUSE-SU-2024:4081-1, SUSE-SU-2024:0856-1
SLE Live Patching 15 SP3 kernel-default 5.3.18-150300.59.153.2 SUSE-SU-2024:4140-1, SUSE-SU-2024:0857-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_42 1-150300.7.3.2 SUSE-SU-2024:0857-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_50 1-150300.7.3.1 SUSE-SU-2024:4140-1
SLE Live Patching 15 SP2 kernel-default 5.3.18-150200.24.183.1 SUSE-SU-2024:4103-1, SUSE-SU-2024:0926-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_46 1-150200.5.3.2 SUSE-SU-2024:0926-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_54 1-150200.5.3.1 SUSE-SU-2024:4103-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.201.1 SUSE-SU-2024:4100-1, SUSE-SU-2024:0925-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_54 1-8.7.1 SUSE-SU-2024:0925-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_62 1-8.3.1 SUSE-SU-2024:4100-1
SLE HPC 15 SP3 kernel-64kb +5 5.3.18-150300.59.153.2 SUSE-SU-2024:4140-1, SUSE-SU-2024:0857-1
SLE HPC 15 SP3 kernel-default-base 5.3.18-150300.59.153.2.150300.18.90.2 SUSE-SU-2024:4140-1, SUSE-SU-2024:0857-1
SLE HPC 15 SP3 kernel-syms 5.3.18-150300.59.153.1 SUSE-SU-2024:4140-1, SUSE-SU-2024:0857-1
SLE HPC 15 SP2 kernel-default-base 5.3.18-150200.24.183.1.150200.9.93.2 SUSE-SU-2024:4103-1, SUSE-SU-2024:0926-1
SLE HPC 15 SP2 kernel-docs +5 5.3.18-150200.24.183.1 SUSE-SU-2024:4103-1, SUSE-SU-2024:0926-1
SUSE Enterprise Storage 7.1 kernel-64kb +5 5.3.18-150300.59.153.2 SUSE-SU-2024:4140-1, SUSE-SU-2024:0857-1
SUSE Enterprise Storage 7.1 kernel-default-base 5.3.18-150300.59.153.2.150300.18.90.2 SUSE-SU-2024:4140-1, SUSE-SU-2024:0857-1
SUSE Enterprise Storage 7.1 kernel-syms 5.3.18-150300.59.153.1 SUSE-SU-2024:4140-1, SUSE-SU-2024:0857-1

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 2 (CBL-Mariner) kernel 5.15.148.1-1 —

Advisories 30

References