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Ubuntu: (Multiple Advisories) (CVE-2023-31083): Linux kernel vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2023-31083): Linux kernel vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
04/24/2023
Created
10/24/2023
Added
10/23/2023
Modified
03/04/2024

Description

An issue was discovered in drivers/bluetooth/hci_ldisc.c in the Linux kernel 6.2. In hci_uart_tty_ioctl, there is a race condition between HCIUARTSETPROTO and HCIUARTGETPROTO. HCI_UART_PROTO_SET is set before hu->proto is set. A NULL pointer dereference may occur.

Solution(s)

  • ubuntu-upgrade-linux-image-4-15-0-1125-oracle
  • ubuntu-upgrade-linux-image-4-15-0-1146-kvm
  • ubuntu-upgrade-linux-image-4-15-0-1156-gcp
  • ubuntu-upgrade-linux-image-4-15-0-1162-aws
  • ubuntu-upgrade-linux-image-4-15-0-1171-azure
  • ubuntu-upgrade-linux-image-4-15-0-219-generic
  • ubuntu-upgrade-linux-image-4-15-0-219-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-1124-aws
  • ubuntu-upgrade-linux-image-4-4-0-1125-kvm
  • ubuntu-upgrade-linux-image-4-4-0-1162-aws
  • ubuntu-upgrade-linux-image-4-4-0-246-generic
  • ubuntu-upgrade-linux-image-4-4-0-246-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-1032-gkeop
  • ubuntu-upgrade-linux-image-5-15-0-1040-nvidia
  • ubuntu-upgrade-linux-image-5-15-0-1040-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-1042-ibm
  • ubuntu-upgrade-linux-image-5-15-0-1042-raspi
  • ubuntu-upgrade-linux-image-5-15-0-1045-intel-iotg
  • ubuntu-upgrade-linux-image-5-15-0-1046-gcp
  • ubuntu-upgrade-linux-image-5-15-0-1046-gke
  • ubuntu-upgrade-linux-image-5-15-0-1046-kvm
  • ubuntu-upgrade-linux-image-5-15-0-1047-oracle
  • ubuntu-upgrade-linux-image-5-15-0-1049-aws
  • ubuntu-upgrade-linux-image-5-15-0-1051-azure
  • ubuntu-upgrade-linux-image-5-15-0-1051-azure-fde
  • ubuntu-upgrade-linux-image-5-15-0-88-generic
  • ubuntu-upgrade-linux-image-5-15-0-88-generic-64k
  • ubuntu-upgrade-linux-image-5-15-0-88-generic-lpae
  • ubuntu-upgrade-linux-image-5-15-0-88-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-88-lowlatency-64k
  • ubuntu-upgrade-linux-image-5-4-0-1025-iot
  • ubuntu-upgrade-linux-image-5-4-0-1033-xilinx-zynqmp
  • ubuntu-upgrade-linux-image-5-4-0-1060-ibm
  • ubuntu-upgrade-linux-image-5-4-0-1074-bluefield
  • ubuntu-upgrade-linux-image-5-4-0-1080-gkeop
  • ubuntu-upgrade-linux-image-5-4-0-1097-raspi
  • ubuntu-upgrade-linux-image-5-4-0-1102-kvm
  • ubuntu-upgrade-linux-image-5-4-0-1112-oracle
  • ubuntu-upgrade-linux-image-5-4-0-1113-aws
  • ubuntu-upgrade-linux-image-5-4-0-1117-gcp
  • ubuntu-upgrade-linux-image-5-4-0-1119-azure
  • ubuntu-upgrade-linux-image-5-4-0-166-generic
  • ubuntu-upgrade-linux-image-5-4-0-166-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-166-lowlatency
  • ubuntu-upgrade-linux-image-6-2-0-1008-starfive
  • ubuntu-upgrade-linux-image-6-2-0-1009-starfive
  • ubuntu-upgrade-linux-image-6-2-0-1011-nvidia
  • ubuntu-upgrade-linux-image-6-2-0-1011-nvidia-64k
  • ubuntu-upgrade-linux-image-6-2-0-1015-aws
  • ubuntu-upgrade-linux-image-6-2-0-1015-oracle
  • ubuntu-upgrade-linux-image-6-2-0-1016-azure
  • ubuntu-upgrade-linux-image-6-2-0-1016-azure-fde
  • ubuntu-upgrade-linux-image-6-2-0-1016-kvm
  • ubuntu-upgrade-linux-image-6-2-0-1016-lowlatency
  • ubuntu-upgrade-linux-image-6-2-0-1016-lowlatency-64k
  • ubuntu-upgrade-linux-image-6-2-0-1016-raspi
  • ubuntu-upgrade-linux-image-6-2-0-1018-gcp
  • ubuntu-upgrade-linux-image-6-2-0-36-generic
  • ubuntu-upgrade-linux-image-6-2-0-36-generic-64k
  • ubuntu-upgrade-linux-image-6-2-0-36-generic-lpae
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-aws-hwe
  • ubuntu-upgrade-linux-image-aws-lts-18-04
  • ubuntu-upgrade-linux-image-aws-lts-20-04
  • ubuntu-upgrade-linux-image-aws-lts-22-04
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-azure-cvm
  • ubuntu-upgrade-linux-image-azure-fde
  • ubuntu-upgrade-linux-image-azure-fde-lts-22-04
  • ubuntu-upgrade-linux-image-azure-lts-18-04
  • ubuntu-upgrade-linux-image-azure-lts-20-04
  • ubuntu-upgrade-linux-image-azure-lts-22-04
  • ubuntu-upgrade-linux-image-bluefield
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-gcp-lts-18-04
  • ubuntu-upgrade-linux-image-gcp-lts-20-04
  • ubuntu-upgrade-linux-image-gcp-lts-22-04
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-64k
  • ubuntu-upgrade-linux-image-generic-64k-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-64k-hwe-22-04
  • ubuntu-upgrade-linux-image-generic-hwe-16-04
  • ubuntu-upgrade-linux-image-generic-hwe-18-04
  • ubuntu-upgrade-linux-image-generic-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-hwe-22-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-22-04
  • ubuntu-upgrade-linux-image-generic-lts-xenial
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-gke-5-15
  • ubuntu-upgrade-linux-image-gkeop
  • ubuntu-upgrade-linux-image-gkeop-5-15
  • ubuntu-upgrade-linux-image-gkeop-5-4
  • ubuntu-upgrade-linux-image-ibm
  • ubuntu-upgrade-linux-image-ibm-lts-20-04
  • ubuntu-upgrade-linux-image-intel
  • ubuntu-upgrade-linux-image-intel-iotg
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-64k
  • ubuntu-upgrade-linux-image-lowlatency-64k-hwe-20-04
  • ubuntu-upgrade-linux-image-lowlatency-64k-hwe-22-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-16-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-18-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-20-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-22-04
  • ubuntu-upgrade-linux-image-lowlatency-lts-xenial
  • ubuntu-upgrade-linux-image-nvidia
  • ubuntu-upgrade-linux-image-nvidia-6-2
  • ubuntu-upgrade-linux-image-nvidia-64k-6-2
  • ubuntu-upgrade-linux-image-nvidia-64k-hwe-22-04
  • ubuntu-upgrade-linux-image-nvidia-hwe-22-04
  • ubuntu-upgrade-linux-image-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-oem
  • ubuntu-upgrade-linux-image-oem-20-04
  • ubuntu-upgrade-linux-image-oem-20-04b
  • ubuntu-upgrade-linux-image-oem-20-04c
  • ubuntu-upgrade-linux-image-oem-20-04d
  • ubuntu-upgrade-linux-image-oem-osp1
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-oracle-lts-18-04
  • ubuntu-upgrade-linux-image-oracle-lts-20-04
  • ubuntu-upgrade-linux-image-oracle-lts-22-04
  • ubuntu-upgrade-linux-image-raspi
  • ubuntu-upgrade-linux-image-raspi-hwe-18-04
  • ubuntu-upgrade-linux-image-raspi-nolpae
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-snapdragon-hwe-18-04
  • ubuntu-upgrade-linux-image-starfive
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-16-04
  • ubuntu-upgrade-linux-image-virtual-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual-hwe-20-04
  • ubuntu-upgrade-linux-image-virtual-hwe-22-04
  • ubuntu-upgrade-linux-image-virtual-lts-xenial
  • ubuntu-upgrade-linux-image-xilinx-zynqmp

References

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