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Ubuntu: (Multiple Advisories) (CVE-2023-31084): Linux kernel (OEM) vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2023-31084): Linux kernel (OEM) vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
04/24/2023
Created
07/17/2023
Added
07/17/2023
Modified
03/04/2024

Description

An issue was discovered in drivers/media/dvb-core/dvb_frontend.c in the Linux kernel 6.2. There is a blocking operation when a task is in !TASK_RUNNING. In dvb_frontend_get_event, wait_event_interruptible is called; the condition is dvb_frontend_test_event(fepriv,events). In dvb_frontend_test_event, down(&fepriv->sem) is called. However, wait_event_interruptible would put the process to sleep, and down(&fepriv->sem) may block the process.

Solution(s)

  • ubuntu-upgrade-linux-image-4-15-0-1123-oracle
  • ubuntu-upgrade-linux-image-4-15-0-1144-kvm
  • ubuntu-upgrade-linux-image-4-15-0-1154-gcp
  • ubuntu-upgrade-linux-image-4-15-0-1160-aws
  • ubuntu-upgrade-linux-image-4-15-0-1169-azure
  • ubuntu-upgrade-linux-image-4-15-0-216-generic
  • ubuntu-upgrade-linux-image-4-15-0-216-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-1122-aws
  • ubuntu-upgrade-linux-image-4-4-0-1123-kvm
  • ubuntu-upgrade-linux-image-4-4-0-1160-aws
  • ubuntu-upgrade-linux-image-4-4-0-244-generic
  • ubuntu-upgrade-linux-image-4-4-0-244-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-1027-gkeop
  • ubuntu-upgrade-linux-image-5-15-0-1032-nvidia
  • ubuntu-upgrade-linux-image-5-15-0-1032-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-1037-ibm
  • ubuntu-upgrade-linux-image-5-15-0-1037-raspi
  • ubuntu-upgrade-linux-image-5-15-0-1039-intel-iotg
  • ubuntu-upgrade-linux-image-5-15-0-1041-gcp
  • ubuntu-upgrade-linux-image-5-15-0-1041-gke
  • ubuntu-upgrade-linux-image-5-15-0-1041-kvm
  • ubuntu-upgrade-linux-image-5-15-0-1042-oracle
  • ubuntu-upgrade-linux-image-5-15-0-1044-aws
  • ubuntu-upgrade-linux-image-5-15-0-1046-azure
  • ubuntu-upgrade-linux-image-5-15-0-1046-azure-fde
  • ubuntu-upgrade-linux-image-5-15-0-83-generic
  • ubuntu-upgrade-linux-image-5-15-0-83-generic-64k
  • ubuntu-upgrade-linux-image-5-15-0-83-generic-lpae
  • ubuntu-upgrade-linux-image-5-15-0-83-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-83-lowlatency-64k
  • ubuntu-upgrade-linux-image-5-4-0-1021-iot
  • ubuntu-upgrade-linux-image-5-4-0-1029-xilinx-zynqmp
  • ubuntu-upgrade-linux-image-5-4-0-1056-ibm
  • ubuntu-upgrade-linux-image-5-4-0-1070-bluefield
  • ubuntu-upgrade-linux-image-5-4-0-1076-gkeop
  • ubuntu-upgrade-linux-image-5-4-0-1093-raspi
  • ubuntu-upgrade-linux-image-5-4-0-1098-kvm
  • ubuntu-upgrade-linux-image-5-4-0-1108-oracle
  • ubuntu-upgrade-linux-image-5-4-0-1109-aws
  • ubuntu-upgrade-linux-image-5-4-0-1112-gcp
  • ubuntu-upgrade-linux-image-5-4-0-1115-azure
  • ubuntu-upgrade-linux-image-5-4-0-162-generic
  • ubuntu-upgrade-linux-image-5-4-0-162-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-162-lowlatency
  • ubuntu-upgrade-linux-image-6-1-0-1016-oem
  • ubuntu-upgrade-linux-image-6-2-0-1004-starfive
  • ubuntu-upgrade-linux-image-6-2-0-1009-ibm
  • ubuntu-upgrade-linux-image-6-2-0-1011-aws
  • ubuntu-upgrade-linux-image-6-2-0-1011-azure
  • ubuntu-upgrade-linux-image-6-2-0-1011-oracle
  • ubuntu-upgrade-linux-image-6-2-0-1012-kvm
  • ubuntu-upgrade-linux-image-6-2-0-1012-lowlatency
  • ubuntu-upgrade-linux-image-6-2-0-1012-lowlatency-64k
  • ubuntu-upgrade-linux-image-6-2-0-1012-raspi
  • ubuntu-upgrade-linux-image-6-2-0-1013-gcp
  • ubuntu-upgrade-linux-image-6-2-0-32-generic
  • ubuntu-upgrade-linux-image-6-2-0-32-generic-64k
  • ubuntu-upgrade-linux-image-6-2-0-32-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-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-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-22-04c
  • 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-raspi2-hwe-18-04
  • 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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