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Ubuntu: (Multiple Advisories) (CVE-2023-0461): Linux kernel (HWE) vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2023-0461): Linux kernel (HWE) vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
02/28/2023
Created
03/29/2023
Added
03/22/2023
Modified
05/04/2023

Description

There is a use-after-free vulnerability in the Linux Kernel which can be exploited to achieve local privilege escalation. To reach the vulnerability kernel configuration flag CONFIG_TLS or CONFIG_XFRM_ESPINTCP has to be configured, but the operation does not require any privilege. There is a use-after-free bug of icsk_ulp_data of a struct inet_connection_sock. When CONFIG_TLS is enabled, user can install a tls context (struct tls_context) on a connected tcp socket. The context is not cleared if this socket is disconnected and reused as a listener. If a new socket is created from the listener, the context is inherited and vulnerable. The setsockopt TCP_ULP operation does not require any privilege. We recommend upgrading past commit 2c02d41d71f90a5168391b6a5f2954112ba2307c

Solution(s)

  • ubuntu-upgrade-linux-image-4-15-0-1061-dell300x
  • ubuntu-upgrade-linux-image-4-15-0-1115-oracle
  • ubuntu-upgrade-linux-image-4-15-0-1128-raspi2
  • ubuntu-upgrade-linux-image-4-15-0-1136-kvm
  • ubuntu-upgrade-linux-image-4-15-0-1146-gcp
  • ubuntu-upgrade-linux-image-4-15-0-1146-snapdragon
  • ubuntu-upgrade-linux-image-4-15-0-1151-aws
  • ubuntu-upgrade-linux-image-4-15-0-1162-azure
  • ubuntu-upgrade-linux-image-4-15-0-206-generic
  • ubuntu-upgrade-linux-image-4-15-0-206-generic-lpae
  • ubuntu-upgrade-linux-image-4-15-0-206-lowlatency
  • ubuntu-upgrade-linux-image-5-14-0-1058-oem
  • ubuntu-upgrade-linux-image-5-14-0-1059-oem
  • ubuntu-upgrade-linux-image-5-15-0-1016-gkeop
  • ubuntu-upgrade-linux-image-5-15-0-1025-raspi
  • ubuntu-upgrade-linux-image-5-15-0-1025-raspi-nolpae
  • ubuntu-upgrade-linux-image-5-15-0-1026-ibm
  • ubuntu-upgrade-linux-image-5-15-0-1026-intel-iotg
  • ubuntu-upgrade-linux-image-5-15-0-1028-gke
  • ubuntu-upgrade-linux-image-5-15-0-1029-kvm
  • ubuntu-upgrade-linux-image-5-15-0-1030-gcp
  • ubuntu-upgrade-linux-image-5-15-0-1030-oracle
  • ubuntu-upgrade-linux-image-5-15-0-1031-aws
  • ubuntu-upgrade-linux-image-5-15-0-1034-azure
  • ubuntu-upgrade-linux-image-5-15-0-1034-azure-fde
  • ubuntu-upgrade-linux-image-5-15-0-67-generic
  • ubuntu-upgrade-linux-image-5-15-0-67-generic-64k
  • ubuntu-upgrade-linux-image-5-15-0-67-generic-lpae
  • ubuntu-upgrade-linux-image-5-15-0-67-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-67-lowlatency-64k
  • ubuntu-upgrade-linux-image-5-17-0-1028-oem
  • ubuntu-upgrade-linux-image-5-17-0-1029-oem
  • ubuntu-upgrade-linux-image-5-19-0-1014-raspi
  • ubuntu-upgrade-linux-image-5-19-0-1014-raspi-nolpae
  • ubuntu-upgrade-linux-image-5-19-0-1018-gcp
  • ubuntu-upgrade-linux-image-5-19-0-1018-ibm
  • ubuntu-upgrade-linux-image-5-19-0-1018-lowlatency
  • ubuntu-upgrade-linux-image-5-19-0-1018-lowlatency-64k
  • ubuntu-upgrade-linux-image-5-19-0-1018-oracle
  • ubuntu-upgrade-linux-image-5-19-0-1019-kvm
  • ubuntu-upgrade-linux-image-5-19-0-1020-aws
  • ubuntu-upgrade-linux-image-5-19-0-1021-azure
  • ubuntu-upgrade-linux-image-5-19-0-35-generic
  • ubuntu-upgrade-linux-image-5-19-0-35-generic-64k
  • ubuntu-upgrade-linux-image-5-19-0-35-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-1045-ibm
  • ubuntu-upgrade-linux-image-5-4-0-1059-bluefield
  • ubuntu-upgrade-linux-image-5-4-0-1065-gkeop
  • ubuntu-upgrade-linux-image-5-4-0-1081-raspi
  • ubuntu-upgrade-linux-image-5-4-0-1087-kvm
  • ubuntu-upgrade-linux-image-5-4-0-1094-oracle
  • ubuntu-upgrade-linux-image-5-4-0-1095-gke
  • ubuntu-upgrade-linux-image-5-4-0-1097-aws
  • ubuntu-upgrade-linux-image-5-4-0-1101-gcp
  • ubuntu-upgrade-linux-image-5-4-0-1104-azure
  • ubuntu-upgrade-linux-image-5-4-0-144-generic
  • ubuntu-upgrade-linux-image-5-4-0-144-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-144-lowlatency
  • ubuntu-upgrade-linux-image-6-0-0-1012-oem
  • ubuntu-upgrade-linux-image-6-1-0-1007-oem
  • 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-fde
  • 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-dell300x
  • 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-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-18-04
  • 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-gke-5-4
  • 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-hwe-16-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-18-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-20-04
  • 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-22-04
  • 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-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-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
  • ubuntu-upgrade-linux-image-snapdragon-hwe-18-04
  • 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

References

  • https://attackerkb.com/topics/cve-2023-0461
  • CVE - 2023-0461
  • USN-5883-1
  • USN-5911-1
  • USN-5912-1
  • USN-5913-1
  • USN-5914-1
  • USN-5915-1
  • USN-5917-1
  • USN-5919-1
  • USN-5920-1
  • USN-5924-1
  • USN-5925-1
  • USN-5927-1
  • USN-5929-1
  • USN-5934-1
  • USN-5935-1
  • USN-5938-1
  • USN-5939-1
  • USN-5940-1
  • USN-5941-1
  • USN-5950-1
  • USN-5951-1
  • USN-5962-1
  • USN-5975-1
  • USN-5976-1
  • USN-6000-1
  • USN-6007-1
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