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Ubuntu: (Multiple Advisories) (CVE-2023-31248): Linux kernel vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2023-31248): Linux kernel vulnerabilities

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
07/05/2023
Created
07/26/2023
Added
07/26/2023
Modified
01/28/2025

Description

Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; `nft_chain_lookup_byid()` failed to check whether a chain was active and CAP_NET_ADMIN is in any user or network namespace

Solution(s)

  • ubuntu-upgrade-linux-image-5-15-0-1024-gkeop
  • ubuntu-upgrade-linux-image-5-15-0-1029-nvidia
  • ubuntu-upgrade-linux-image-5-15-0-1029-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-1034-ibm
  • ubuntu-upgrade-linux-image-5-15-0-1034-raspi
  • ubuntu-upgrade-linux-image-5-15-0-1034-raspi-nolpae
  • ubuntu-upgrade-linux-image-5-15-0-1036-intel-iotg
  • ubuntu-upgrade-linux-image-5-15-0-1038-gcp
  • ubuntu-upgrade-linux-image-5-15-0-1038-gke
  • ubuntu-upgrade-linux-image-5-15-0-1038-kvm
  • ubuntu-upgrade-linux-image-5-15-0-1039-oracle
  • ubuntu-upgrade-linux-image-5-15-0-1040-aws
  • ubuntu-upgrade-linux-image-5-15-0-1042-azure
  • ubuntu-upgrade-linux-image-5-15-0-1042-azure-fde
  • ubuntu-upgrade-linux-image-5-15-0-78-generic
  • ubuntu-upgrade-linux-image-5-15-0-78-generic-64k
  • ubuntu-upgrade-linux-image-5-15-0-78-generic-lpae
  • ubuntu-upgrade-linux-image-5-15-0-78-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-78-lowlatency-64k
  • ubuntu-upgrade-linux-image-5-17-0-1035-oem
  • ubuntu-upgrade-linux-image-5-19-0-1029-aws
  • ubuntu-upgrade-linux-image-5-19-0-1030-gcp
  • ubuntu-upgrade-linux-image-5-19-0-50-generic
  • ubuntu-upgrade-linux-image-5-19-0-50-generic-64k
  • ubuntu-upgrade-linux-image-5-19-0-50-generic-lpae
  • ubuntu-upgrade-linux-image-6-0-0-1020-oem
  • ubuntu-upgrade-linux-image-6-1-0-1019-oem
  • ubuntu-upgrade-linux-image-6-2-0-1006-ibm
  • ubuntu-upgrade-linux-image-6-2-0-1008-aws
  • ubuntu-upgrade-linux-image-6-2-0-1008-azure
  • ubuntu-upgrade-linux-image-6-2-0-1008-oracle
  • ubuntu-upgrade-linux-image-6-2-0-1009-kvm
  • ubuntu-upgrade-linux-image-6-2-0-1009-lowlatency
  • ubuntu-upgrade-linux-image-6-2-0-1009-lowlatency-64k
  • ubuntu-upgrade-linux-image-6-2-0-1009-raspi
  • ubuntu-upgrade-linux-image-6-2-0-1010-gcp
  • ubuntu-upgrade-linux-image-6-2-0-26-generic
  • ubuntu-upgrade-linux-image-6-2-0-26-generic-64k
  • ubuntu-upgrade-linux-image-6-2-0-26-generic-lpae
  • ubuntu-upgrade-linux-image-aws
  • 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-22-04
  • ubuntu-upgrade-linux-image-gcp
  • 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-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-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-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-20-04
  • ubuntu-upgrade-linux-image-nvidia
  • ubuntu-upgrade-linux-image-nvidia-lowlatency
  • 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-22-04
  • ubuntu-upgrade-linux-image-oem-22-04a
  • ubuntu-upgrade-linux-image-oem-22-04b
  • ubuntu-upgrade-linux-image-oem-22-04c
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-raspi
  • ubuntu-upgrade-linux-image-raspi-nolpae
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-20-04
  • ubuntu-upgrade-linux-image-virtual-hwe-22-04

References

  • https://attackerkb.com/topics/cve-2023-31248
  • CVE - 2023-31248
  • USN-6246-1
  • USN-6247-1
  • USN-6248-1
  • USN-6250-1
  • USN-6255-1
  • USN-6260-1
  • USN-6285-1
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