CWE
476 362
Advisory Published
Updated

CVE-2023-31083: Null Pointer Dereference

First published: Mon Apr 24 2023(Updated: )

A flaw in the Linux Kernel found in drivers/bluetooth/hci_ldisc.c. There is a race condition between HCIUARTSETPROTO and HCIUARTGETPROTO. HCI_UART_PROTO_SET is set before hu-&gt;proto is set. A NULL pointer dereference may occur. Reference: <a href="https://lore.kernel.org/all/CA+UBctC3p49aTgzbVgkSZ2+TQcqq4fPDO7yZitFT5uBPDeCO2g@mail.gmail.com/">https://lore.kernel.org/all/CA+UBctC3p49aTgzbVgkSZ2+TQcqq4fPDO7yZitFT5uBPDeCO2g@mail.gmail.com/</a>

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

Affected SoftwareAffected VersionHow to fix
Linux Linux kernel=6.2
ubuntu/linux<4.15.0-219.230
4.15.0-219.230
ubuntu/linux<5.4.0-166.183
5.4.0-166.183
ubuntu/linux<5.15.0-88.98
5.15.0-88.98
ubuntu/linux<6.2.0-36.37
6.2.0-36.37
ubuntu/linux<6.6~
6.6~
ubuntu/linux<4.4.0-246.280
4.4.0-246.280
ubuntu/linux-allwinner<6.6~
6.6~
ubuntu/linux-allwinner-5.19<6.6~
6.6~
ubuntu/linux-aws<4.15.0-1162.175
4.15.0-1162.175
ubuntu/linux-aws<5.4.0-1113.123
5.4.0-1113.123
ubuntu/linux-aws<5.15.0-1049.54
5.15.0-1049.54
ubuntu/linux-aws<6.2.0-1015.15
6.2.0-1015.15
ubuntu/linux-aws<4.4.0-1124.130
4.4.0-1124.130
ubuntu/linux-aws<6.6~
6.6~
ubuntu/linux-aws<4.4.0-1162.177
4.4.0-1162.177
ubuntu/linux-aws-5.0<6.6~
6.6~
ubuntu/linux-aws-5.15<5.15.0-1049.54~20.04.1
5.15.0-1049.54~20.04.1
ubuntu/linux-aws-5.15<6.6~
6.6~
ubuntu/linux-aws-5.19<6.6~
6.6~
ubuntu/linux-aws-5.4<5.4.0-1113.123~18.04.1
5.4.0-1113.123~18.04.1
ubuntu/linux-aws-5.4<6.6~
6.6~
ubuntu/linux-aws-6.2<6.2.0-1015.15~22.04.1
6.2.0-1015.15~22.04.1
ubuntu/linux-aws-6.2<6.6~
6.6~
ubuntu/linux-aws-6.5<6.6~
6.6~
ubuntu/linux-aws-fips<6.6~
6.6~
ubuntu/linux-aws-hwe<6.6~
6.6~
ubuntu/linux-aws-hwe<4.15.0-1162.175~16.04.1
4.15.0-1162.175~16.04.1
ubuntu/linux-azure<5.4.0-1119.126
5.4.0-1119.126
ubuntu/linux-azure<5.15.0-1051.59
5.15.0-1051.59
ubuntu/linux-azure<6.2.0-1016.16
6.2.0-1016.16
ubuntu/linux-azure<4.15.0-1171.186~14.04.1
4.15.0-1171.186~14.04.1
ubuntu/linux-azure<6.6~
6.6~
ubuntu/linux-azure<4.15.0-1171.186~16.04.1
4.15.0-1171.186~16.04.1
ubuntu/linux-azure-4.15<4.15.0-1171.186
4.15.0-1171.186
ubuntu/linux-azure-4.15<6.6~
6.6~
ubuntu/linux-azure-5.15<5.15.0-1051.59~20.04.1
5.15.0-1051.59~20.04.1
ubuntu/linux-azure-5.15<6.6~
6.6~
ubuntu/linux-azure-5.4<5.4.0-1119.126~18.04.2
5.4.0-1119.126~18.04.2
ubuntu/linux-azure-5.4<6.6~
6.6~
ubuntu/linux-azure-6.2<6.2.0-1016.16~22.04.1
6.2.0-1016.16~22.04.1
ubuntu/linux-azure-6.2<6.6~
6.6~
ubuntu/linux-azure-6.5<6.6~
6.6~
ubuntu/linux-azure-edge<6.6~
6.6~
ubuntu/linux-azure-fde<5.15.0-1051.59.1
5.15.0-1051.59.1
ubuntu/linux-azure-fde<6.6~
6.6~
ubuntu/linux-azure-fde-5.15<5.15.0-1051.59~20.04.1.1
5.15.0-1051.59~20.04.1.1
ubuntu/linux-azure-fde-5.15<6.6~
6.6~
ubuntu/linux-azure-fde-5.19<6.6~
6.6~
ubuntu/linux-azure-fde-6.2<6.2.0-1016.16~22.04.1.1
6.2.0-1016.16~22.04.1.1
ubuntu/linux-azure-fde-6.2<6.6~
6.6~
ubuntu/linux-azure-fips<6.6~
6.6~
ubuntu/linux-bluefield<5.4.0-1074.80
5.4.0-1074.80
ubuntu/linux-bluefield<5.15.0-1031.33
5.15.0-1031.33
ubuntu/linux-bluefield<6.6~
6.6~
ubuntu/linux-dell300x<6.6~
6.6~
ubuntu/linux-fips<6.6~
6.6~
ubuntu/linux-gcp<5.4.0-1117.126
5.4.0-1117.126
ubuntu/linux-gcp<5.15.0-1046.54
5.15.0-1046.54
ubuntu/linux-gcp<6.2.0-1018.20
6.2.0-1018.20
ubuntu/linux-gcp<6.6~
6.6~
ubuntu/linux-gcp<4.15.0-1156.173~16.04.1
4.15.0-1156.173~16.04.1
ubuntu/linux-gcp-4.15<4.15.0-1156.173
4.15.0-1156.173
ubuntu/linux-gcp-4.15<6.6~
6.6~
ubuntu/linux-gcp-5.15<5.15.0-1046.54~20.04.1
5.15.0-1046.54~20.04.1
ubuntu/linux-gcp-5.15<6.6~
6.6~
ubuntu/linux-gcp-5.19<6.6~
6.6~
ubuntu/linux-gcp-5.4<5.4.0-1117.126~18.04.1
5.4.0-1117.126~18.04.1
ubuntu/linux-gcp-5.4<6.6~
6.6~
ubuntu/linux-gcp-6.2<6.2.0-1018.20~22.04.1
6.2.0-1018.20~22.04.1
ubuntu/linux-gcp-6.5<6.6~
6.6~
ubuntu/linux-gcp-fips<6.6~
6.6~
ubuntu/linux-gke<5.15.0-1046.51
5.15.0-1046.51
ubuntu/linux-gke<6.6~
6.6~
ubuntu/linux-gke-4.15<6.6~
6.6~
ubuntu/linux-gke-5.0<6.6~
6.6~
ubuntu/linux-gke-5.15<6.6~
6.6~
ubuntu/linux-gke-5.4<6.6~
6.6~
ubuntu/linux-gkeop<5.4.0-1080.84
5.4.0-1080.84
ubuntu/linux-gkeop<5.15.0-1032.38
5.15.0-1032.38
ubuntu/linux-gkeop<6.6~
6.6~
ubuntu/linux-gkeop-5.15<5.15.0-1032.38~20.04.1
5.15.0-1032.38~20.04.1
ubuntu/linux-gkeop-5.15<6.6~
6.6~
ubuntu/linux-gkeop-5.4<6.6~
6.6~
ubuntu/linux-hwe<6.6~
6.6~
ubuntu/linux-hwe<4.15.0-219.230~16.04.1
4.15.0-219.230~16.04.1
ubuntu/linux-hwe-5.15<5.15.0-88.98~20.04.1
5.15.0-88.98~20.04.1
ubuntu/linux-hwe-5.15<6.6~
6.6~
ubuntu/linux-hwe-5.4<5.4.0-166.183~18.04.2
5.4.0-166.183~18.04.2
ubuntu/linux-hwe-5.4<6.6~
6.6~
ubuntu/linux-hwe-6.2<6.2.0-36.37~22.04.1
6.2.0-36.37~22.04.1
ubuntu/linux-hwe-6.2<6.6~
6.6~
ubuntu/linux-hwe-6.5<6.6~
6.6~
ubuntu/linux-hwe-edge<6.6~
6.6~
ubuntu/linux-ibm<5.4.0-1060.65
5.4.0-1060.65
ubuntu/linux-ibm<5.15.0-1042.45
5.15.0-1042.45
ubuntu/linux-ibm<6.6~
6.6~
ubuntu/linux-ibm-5.15<5.15.0-1042.45~20.04.1
5.15.0-1042.45~20.04.1
ubuntu/linux-ibm-5.15<6.6~
6.6~
ubuntu/linux-ibm-5.4<5.4.0-1060.65~18.04.1
5.4.0-1060.65~18.04.1
ubuntu/linux-ibm-5.4<6.6~
6.6~
ubuntu/linux-intel<6.6~
6.6~
ubuntu/linux-intel-5.13<6.6~
6.6~
ubuntu/linux-intel-iotg<5.15.0-1045.51
5.15.0-1045.51
ubuntu/linux-intel-iotg<6.6~
6.6~
ubuntu/linux-intel-iotg-5.15<5.15.0-1045.51~20.04.1
5.15.0-1045.51~20.04.1
ubuntu/linux-intel-iotg-5.15<6.6~
6.6~
ubuntu/linux-iot<5.4.0-1025.26
5.4.0-1025.26
ubuntu/linux-iot<6.6~
6.6~
ubuntu/linux-kvm<4.15.0-1146.151
4.15.0-1146.151
ubuntu/linux-kvm<5.4.0-1102.108
5.4.0-1102.108
ubuntu/linux-kvm<5.15.0-1046.51
5.15.0-1046.51
ubuntu/linux-kvm<6.2.0-1016.16
6.2.0-1016.16
ubuntu/linux-kvm<6.6~
6.6~
ubuntu/linux-kvm<4.4.0-1125.135
4.4.0-1125.135
ubuntu/linux-laptop<6.6~
6.6~
ubuntu/linux-lowlatency<5.15.0-88.98
5.15.0-88.98
ubuntu/linux-lowlatency<6.2.0-1016.16
6.2.0-1016.16
ubuntu/linux-lowlatency<6.6~
6.6~
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-88.98~20.04.1
5.15.0-88.98~20.04.1
ubuntu/linux-lowlatency-hwe-5.15<6.6~
6.6~
ubuntu/linux-lowlatency-hwe-5.19<6.6~
6.6~
ubuntu/linux-lowlatency-hwe-6.2<6.2.0-1016.16~22.04.1
6.2.0-1016.16~22.04.1
ubuntu/linux-lowlatency-hwe-6.2<6.6~
6.6~
ubuntu/linux-lowlatency-hwe-6.5<6.6~
6.6~
ubuntu/linux-lts-xenial<4.4.0-246.280~14.04.1
4.4.0-246.280~14.04.1
ubuntu/linux-lts-xenial<6.6~
6.6~
ubuntu/linux-nvidia<5.15.0-1040.40
5.15.0-1040.40
ubuntu/linux-nvidia<6.6~
6.6~
ubuntu/linux-nvidia-6.2<6.2.0-1011.11
6.2.0-1011.11
ubuntu/linux-nvidia-6.2<6.6~
6.6~
ubuntu/linux-nvidia-6.5<6.6~
6.6~
ubuntu/linux-oem<6.6~
6.6~
ubuntu/linux-oem-5.10<6.6~
6.6~
ubuntu/linux-oem-5.14<6.6~
6.6~
ubuntu/linux-oem-5.17<6.6~
6.6~
ubuntu/linux-oem-5.6<6.6~
6.6~
ubuntu/linux-oem-6.0<6.6~
6.6~
ubuntu/linux-oem-6.1<6.6~
6.6~
ubuntu/linux-oem-6.5<6.6~
6.6~
ubuntu/linux-oem-6.8<6.6~
6.6~
ubuntu/linux-oem-osp1<6.6~
6.6~
ubuntu/linux-oracle<4.15.0-1125.136
4.15.0-1125.136
ubuntu/linux-oracle<5.4.0-1112.121
5.4.0-1112.121
ubuntu/linux-oracle<5.15.0-1047.53
5.15.0-1047.53
ubuntu/linux-oracle<6.2.0-1015.15
6.2.0-1015.15
ubuntu/linux-oracle<6.6~
6.6~
ubuntu/linux-oracle<4.15.0-1125.136~16.04.1
4.15.0-1125.136~16.04.1
ubuntu/linux-oracle-5.0<6.6~
6.6~
ubuntu/linux-oracle-5.13<6.6~
6.6~
ubuntu/linux-oracle-5.15<5.15.0-1047.53~20.04.1
5.15.0-1047.53~20.04.1
ubuntu/linux-oracle-5.15<6.6~
6.6~
ubuntu/linux-oracle-5.4<5.4.0-1112.121~18.04.4
5.4.0-1112.121~18.04.4
ubuntu/linux-oracle-5.4<6.6~
6.6~
ubuntu/linux-oracle-6.5<6.6~
6.6~
ubuntu/linux-raspi<5.4.0-1097.109
5.4.0-1097.109
ubuntu/linux-raspi<5.15.0-1042.45
5.15.0-1042.45
ubuntu/linux-raspi<6.2.0-1016.18
6.2.0-1016.18
ubuntu/linux-raspi<6.6~
6.6~
ubuntu/linux-raspi-5.4<5.4.0-1097.109~18.04.2
5.4.0-1097.109~18.04.2
ubuntu/linux-raspi-5.4<6.6~
6.6~
ubuntu/linux-raspi2<6.6~
6.6~
ubuntu/linux-riscv<6.2.0-36.37.1
6.2.0-36.37.1
ubuntu/linux-riscv<6.6~
6.6~
ubuntu/linux-riscv-5.15<5.15.0-1045.49~20.04.1
5.15.0-1045.49~20.04.1
ubuntu/linux-riscv-5.15<6.6~
6.6~
ubuntu/linux-riscv-6.5<6.6~
6.6~
ubuntu/linux-snapdragon<6.6~
6.6~
ubuntu/linux-starfive<6.2.0-1008.9
6.2.0-1008.9
ubuntu/linux-starfive<6.6~
6.6~
ubuntu/linux-starfive-5.19<6.6~
6.6~
ubuntu/linux-starfive-6.2<6.2.0-1009.10~22.04.1
6.2.0-1009.10~22.04.1
ubuntu/linux-starfive-6.2<6.6~
6.6~
ubuntu/linux-starfive-6.5<6.6~
6.6~
ubuntu/linux-xilinx-zynqmp<5.4.0-1033.37
5.4.0-1033.37
ubuntu/linux-xilinx-zynqmp<5.15.0-1025.29
5.15.0-1025.29
ubuntu/linux-xilinx-zynqmp<6.6~
6.6~
debian/linux<=5.10.218-1<=5.10.221-1<=6.1.94-1<=6.1.99-1
6.9.8-1
6.9.9-1

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