CWE
476
Advisory Published
Updated

CVE-2023-23000: Null Pointer Dereference

First published: Wed Mar 01 2023(Updated: )

In the Linux kernel before 5.17, drivers/phy/tegra/xusb.c mishandles the tegra_xusb_find_port_node return value. Callers expect NULL in the error case, but an error pointer is used.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Linux Linux kernel<5.17
ubuntu/linux<4.15.0-223.235
4.15.0-223.235
ubuntu/linux<5.4.0-174.193
5.4.0-174.193
ubuntu/linux<5.15.0-101.111
5.15.0-101.111
ubuntu/linux<5.17~
5.17~
ubuntu/linux-aws<4.15.0-1166.179
4.15.0-1166.179
ubuntu/linux-aws<5.4.0-1121.131
5.4.0-1121.131
ubuntu/linux-aws<5.15.0-1056.61
5.15.0-1056.61
ubuntu/linux-aws<5.17~
5.17~
ubuntu/linux-aws-5.0<5.17~
5.17~
ubuntu/linux-aws-5.15<5.15.0-1056.61~20.04.1
5.15.0-1056.61~20.04.1
ubuntu/linux-aws-5.15<5.17~
5.17~
ubuntu/linux-aws-5.4<5.4.0-1121.131~18.04.1
5.4.0-1121.131~18.04.1
ubuntu/linux-aws-5.4<5.17~
5.17~
ubuntu/linux-aws-6.5<5.17~
5.17~
ubuntu/linux-aws-hwe<5.17~
5.17~
ubuntu/linux-aws-hwe<4.15.0-1166.179~16.04.1
4.15.0-1166.179~16.04.1
ubuntu/linux-azure<5.4.0-1126.133
5.4.0-1126.133
ubuntu/linux-azure<5.15.0-1059.67
5.15.0-1059.67
ubuntu/linux-azure<4.15.0-1175.190~14.04.1
4.15.0-1175.190~14.04.1
ubuntu/linux-azure<5.17~
5.17~
ubuntu/linux-azure<4.15.0-1175.190~16.04.1
4.15.0-1175.190~16.04.1
ubuntu/linux-azure-4.15<4.15.0-1175.190
4.15.0-1175.190
ubuntu/linux-azure-4.15<5.17~
5.17~
ubuntu/linux-azure-5.15<5.15.0-1059.67~20.04.1
5.15.0-1059.67~20.04.1
ubuntu/linux-azure-5.15<5.17~
5.17~
ubuntu/linux-azure-5.4<5.4.0-1126.133~18.04.1
5.4.0-1126.133~18.04.1
ubuntu/linux-azure-5.4<5.17~
5.17~
ubuntu/linux-azure-6.5<5.17~
5.17~
ubuntu/linux-azure-edge<5.17~
5.17~
ubuntu/linux-azure-fde<5.15.0-1059.67.1
5.15.0-1059.67.1
ubuntu/linux-azure-fde<5.17~
5.17~
ubuntu/linux-azure-fde-5.15<5.15.0-1059.67~20.04.1.1
5.15.0-1059.67~20.04.1.1
ubuntu/linux-azure-fde-5.15<5.17~
5.17~
ubuntu/linux-bluefield<5.4.0-1081.88
5.4.0-1081.88
ubuntu/linux-bluefield<5.15.0-1038.40
5.15.0-1038.40
ubuntu/linux-bluefield<5.17~
5.17~
ubuntu/linux-dell300x<5.17~
5.17~
ubuntu/linux-fips<5.17~
5.17~
ubuntu/linux-gcp<5.4.0-1125.134
5.4.0-1125.134
ubuntu/linux-gcp<5.15.0-1054.62
5.15.0-1054.62
ubuntu/linux-gcp<5.17~
5.17~
ubuntu/linux-gcp<4.15.0-1160.177~16.04.1
4.15.0-1160.177~16.04.1
ubuntu/linux-gcp-4.15<4.15.0-1160.177
4.15.0-1160.177
ubuntu/linux-gcp-4.15<5.17~
5.17~
ubuntu/linux-gcp-5.15<5.15.0-1054.62~20.04.1
5.15.0-1054.62~20.04.1
ubuntu/linux-gcp-5.15<5.17~
5.17~
ubuntu/linux-gcp-5.4<5.4.0-1125.134~18.04.1
5.4.0-1125.134~18.04.1
ubuntu/linux-gcp-5.4<5.17~
5.17~
ubuntu/linux-gcp-6.5<5.17~
5.17~
ubuntu/linux-gke<5.15.0-1053.58
5.15.0-1053.58
ubuntu/linux-gke<5.17~
5.17~
ubuntu/linux-gke-4.15<5.17~
5.17~
ubuntu/linux-gke-5.0<5.17~
5.17~
ubuntu/linux-gke-5.15<5.17~
5.17~
ubuntu/linux-gke-5.4<5.17~
5.17~
ubuntu/linux-gkeop<5.4.0-1088.92
5.4.0-1088.92
ubuntu/linux-gkeop<5.15.0-1039.45
5.15.0-1039.45
ubuntu/linux-gkeop<5.17~
5.17~
ubuntu/linux-gkeop-5.15<5.15.0-1039.45~20.04.1
5.15.0-1039.45~20.04.1
ubuntu/linux-gkeop-5.15<5.17~
5.17~
ubuntu/linux-gkeop-5.4<5.17~
5.17~
ubuntu/linux-hwe<5.17~
5.17~
ubuntu/linux-hwe<4.15.0-223.235~16.04.1
4.15.0-223.235~16.04.1
ubuntu/linux-hwe-5.15<5.15.0-101.111~20.04.1
5.15.0-101.111~20.04.1
ubuntu/linux-hwe-5.15<5.17~
5.17~
ubuntu/linux-hwe-5.4<5.4.0-174.193~18.04.1
5.4.0-174.193~18.04.1
ubuntu/linux-hwe-5.4<5.17~
5.17~
ubuntu/linux-hwe-6.5<5.17~
5.17~
ubuntu/linux-hwe-edge<5.17~
5.17~
ubuntu/linux-ibm<5.4.0-1068.73
5.4.0-1068.73
ubuntu/linux-ibm<5.15.0-1049.52
5.15.0-1049.52
ubuntu/linux-ibm<5.17~
5.17~
ubuntu/linux-ibm-5.15<5.15.0-1049.52~20.04.1
5.15.0-1049.52~20.04.1
ubuntu/linux-ibm-5.15<5.17~
5.17~
ubuntu/linux-ibm-5.4<5.4.0-1068.73~18.04.1
5.4.0-1068.73~18.04.1
ubuntu/linux-ibm-5.4<5.17~
5.17~
ubuntu/linux-intel-5.13<5.17~
5.17~
ubuntu/linux-intel-iotg<5.15.0-1051.57
5.15.0-1051.57
ubuntu/linux-intel-iotg<5.17~
5.17~
ubuntu/linux-intel-iotg-5.15<5.15.0-1051.57~20.04.1
5.15.0-1051.57~20.04.1
ubuntu/linux-intel-iotg-5.15<5.17~
5.17~
ubuntu/linux-iot<5.4.0-1033.34
5.4.0-1033.34
ubuntu/linux-iot<5.17~
5.17~
ubuntu/linux-kvm<4.15.0-1150.155
4.15.0-1150.155
ubuntu/linux-kvm<5.4.0-1109.116
5.4.0-1109.116
ubuntu/linux-kvm<5.15.0-1053.58
5.15.0-1053.58
ubuntu/linux-kvm<5.17~
5.17~
ubuntu/linux-laptop<5.17~
5.17~
ubuntu/linux-lowlatency<5.15.0-101.111
5.15.0-101.111
ubuntu/linux-lowlatency<5.17~
5.17~
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-101.111~20.04.1
5.15.0-101.111~20.04.1
ubuntu/linux-lowlatency-hwe-5.15<5.17~
5.17~
ubuntu/linux-lowlatency-hwe-5.19<5.17~
5.17~
ubuntu/linux-lowlatency-hwe-6.5<5.17~
5.17~
ubuntu/linux-lts-xenial<5.17~
5.17~
ubuntu/linux-nvidia<5.15.0-1047.47
5.15.0-1047.47
ubuntu/linux-nvidia<5.17~
5.17~
ubuntu/linux-oem<5.17~
5.17~
ubuntu/linux-oem-5.10<5.17~
5.17~
ubuntu/linux-oem-5.14<5.17~
5.17~
ubuntu/linux-oem-5.17<5.17~
5.17~
ubuntu/linux-oem-5.6<5.17~
5.17~
ubuntu/linux-oem-6.0<5.17~
5.17~
ubuntu/linux-oem-6.1<5.17~
5.17~
ubuntu/linux-oem-6.5<5.17~
5.17~
ubuntu/linux-oem-osp1<5.17~
5.17~
ubuntu/linux-oracle<4.15.0-1129.140
4.15.0-1129.140
ubuntu/linux-oracle<5.4.0-1120.129
5.4.0-1120.129
ubuntu/linux-oracle<5.15.0-1054.60
5.15.0-1054.60
ubuntu/linux-oracle<5.17~
5.17~
ubuntu/linux-oracle<4.15.0-1129.140~16.04.1
4.15.0-1129.140~16.04.1
ubuntu/linux-oracle-5.0<5.17~
5.17~
ubuntu/linux-oracle-5.13<5.17~
5.17~
ubuntu/linux-oracle-5.15<5.15.0-1054.60~20.04.1
5.15.0-1054.60~20.04.1
ubuntu/linux-oracle-5.15<5.17~
5.17~
ubuntu/linux-oracle-5.4<5.4.0-1120.129~18.04.1
5.4.0-1120.129~18.04.1
ubuntu/linux-oracle-5.4<5.17~
5.17~
ubuntu/linux-raspi<5.4.0-1105.117
5.4.0-1105.117
ubuntu/linux-raspi<5.15.0-1049.52
5.15.0-1049.52
ubuntu/linux-raspi<5.17~
5.17~
ubuntu/linux-raspi-5.4<5.4.0-1105.117~18.04.1
5.4.0-1105.117~18.04.1
ubuntu/linux-raspi-5.4<5.17~
5.17~
ubuntu/linux-raspi2<5.17~
5.17~
ubuntu/linux-riscv<5.17~
5.17~
ubuntu/linux-riscv-5.15<5.15.0-1052.56~20.04.1
5.15.0-1052.56~20.04.1
ubuntu/linux-riscv-5.15<5.17~
5.17~
ubuntu/linux-riscv-6.5<5.17~
5.17~
ubuntu/linux-snapdragon<5.17~
5.17~
ubuntu/linux-starfive<5.17~
5.17~
ubuntu/linux-starfive-6.5<5.17~
5.17~
ubuntu/linux-xilinx-zynqmp<5.4.0-1040.44
5.4.0-1040.44
ubuntu/linux-xilinx-zynqmp<5.17~
5.17~
debian/linux<=4.19.249-2<=4.19.304-1<=5.10.209-2<=5.10.218-1
6.1.76-1
6.1.90-1
6.7.12-1
6.8.12-1

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Frequently Asked Questions

  • What is the vulnerability ID for this Linux kernel vulnerability?

    The vulnerability ID for this Linux kernel vulnerability is CVE-2023-23000.

  • What is the severity of CVE-2023-23000?

    The severity of CVE-2023-23000 is medium with a severity value of 5.5.

  • What is the affected software for CVE-2023-23000?

    The affected software for CVE-2023-23000 is the Linux kernel before 5.17.

  • How can I fix CVE-2023-23000?

    To fix CVE-2023-23000, update your Linux kernel version to 5.17 or later.

  • Where can I find more information about CVE-2023-23000?

    More information about CVE-2023-23000 can be found at the following references: [link1], [link2], [link3].

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