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Ubuntu: (Multiple Advisories) (CVE-2023-21400): Linux kernel vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2023-21400): Linux kernel vulnerabilities

Severity
7
CVSS
(AV:L/AC:L/Au:M/C:C/I:C/A:C)
Published
07/13/2023
Created
08/31/2023
Added
08/31/2023
Modified
02/14/2025

Description

In multiple functionsof io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.

Solution(s)

  • ubuntu-upgrade-linux-image-5-15-0-1026-gkeop
  • ubuntu-upgrade-linux-image-5-15-0-1031-nvidia
  • ubuntu-upgrade-linux-image-5-15-0-1031-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-1036-ibm
  • ubuntu-upgrade-linux-image-5-15-0-1036-raspi
  • ubuntu-upgrade-linux-image-5-15-0-1038-intel-iotg
  • ubuntu-upgrade-linux-image-5-15-0-1040-gcp
  • ubuntu-upgrade-linux-image-5-15-0-1040-gke
  • ubuntu-upgrade-linux-image-5-15-0-1040-kvm
  • ubuntu-upgrade-linux-image-5-15-0-1041-oracle
  • ubuntu-upgrade-linux-image-5-15-0-1043-aws
  • ubuntu-upgrade-linux-image-5-15-0-1045-azure
  • ubuntu-upgrade-linux-image-5-15-0-1045-azure-fde
  • ubuntu-upgrade-linux-image-5-15-0-82-generic
  • ubuntu-upgrade-linux-image-5-15-0-82-generic-64k
  • ubuntu-upgrade-linux-image-5-15-0-82-generic-lpae
  • ubuntu-upgrade-linux-image-5-15-0-82-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-82-lowlatency-64k
  • ubuntu-upgrade-linux-image-5-4-0-1085-ibm
  • ubuntu-upgrade-linux-image-5-4-0-1098-bluefield
  • ubuntu-upgrade-linux-image-5-4-0-1122-raspi
  • ubuntu-upgrade-linux-image-5-4-0-1126-kvm
  • ubuntu-upgrade-linux-image-5-4-0-1137-oracle
  • ubuntu-upgrade-linux-image-5-4-0-1139-aws
  • ubuntu-upgrade-linux-image-5-4-0-1142-gcp
  • ubuntu-upgrade-linux-image-5-4-0-1143-azure
  • ubuntu-upgrade-linux-image-5-4-0-205-generic
  • ubuntu-upgrade-linux-image-5-4-0-205-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-205-lowlatency
  • ubuntu-upgrade-linux-image-aws
  • 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-lts-22-04
  • 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-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-hwe-18-04
  • ubuntu-upgrade-linux-image-generic-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04
  • 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-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-hwe-18-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-20-04
  • 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-osp1
  • ubuntu-upgrade-linux-image-oracle
  • 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-nolpae
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-snapdragon-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual-hwe-20-04

References

  • https://attackerkb.com/topics/cve-2023-21400
  • CVE - 2023-21400
  • USN-6315-1
  • USN-6325-1
  • USN-6330-1
  • USN-6332-1
  • USN-6348-1
  • USN-7234-1
  • USN-7234-2
  • USN-7234-3
  • USN-7234-4
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