=========================================================================Ubuntu Security Notice USN-5384-1
April 20, 2022

linux, linux-aws, linux-azure, linux-azure-5.4, linux-azure-fde,
linux-gcp, linux-gcp-5.4, linux-gke, linux-gke-5.4, linux-gkeop,
linux-gkeop-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm,
linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4
vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
- linux: Linux kernel
- linux-aws: Linux kernel for Amazon Web Services (AWS) systems
- linux-azure: Linux kernel for Microsoft Azure Cloud systems
- linux-azure-fde: Linux kernel for Microsoft Azure cloud systems
- linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems
- linux-gke: Linux kernel for Google Container Engine (GKE) systems
- linux-gkeop: Linux kernel for Google Container Engine (GKE) systems
- linux-ibm: Linux kernel for IBM cloud systems
- linux-kvm: Linux kernel for cloud environments
- linux-oracle: Linux kernel for Oracle Cloud systems
- linux-raspi: Linux kernel for Raspberry Pi systems
- linux-azure-5.4: Linux kernel for Microsoft Azure cloud systems
- linux-gcp-5.4: Linux kernel for Google Cloud Platform (GCP) systems
- linux-gke-5.4: Linux kernel for Google Container Engine (GKE) systems
- linux-gkeop-5.4: Linux kernel for Google Container Engine (GKE) systems
- linux-hwe-5.4: Linux hardware enablement (HWE) kernel
- linux-ibm-5.4: Linux kernel for IBM cloud systems
- linux-oracle-5.4: Linux kernel for Oracle Cloud systems
- linux-raspi-5.4: Linux kernel for Raspberry Pi systems

Details:

It was discovered that the UDF file system implementation in the Linux
kernel could attempt to dereference a null pointer in some situations. An
attacker could use this to construct a malicious UDF image that, when
mounted and operated on, could cause a denial of service (system crash).
(CVE-2022-0617)

Lyu Tao discovered that the NFS implementation in the Linux kernel did not
properly handle requests to open a directory on a regular file. A local
attacker could use this to expose sensitive information (kernel memory).
(CVE-2022-24448)

It was discovered that the YAM AX.25 device driver in the Linux kernel did
not properly deallocate memory in some error conditions. A local privileged
attacker could use this to cause a denial of service (kernel memory
exhaustion). (CVE-2022-24959)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
  linux-image-5.4.0-1020-ibm      5.4.0-1020.22
  linux-image-5.4.0-1039-gkeop    5.4.0-1039.40
  linux-image-5.4.0-1059-raspi    5.4.0-1059.67
  linux-image-5.4.0-1062-kvm      5.4.0-1062.65
  linux-image-5.4.0-1068-gke      5.4.0-1068.71
  linux-image-5.4.0-1070-oracle   5.4.0-1070.76
  linux-image-5.4.0-1072-aws      5.4.0-1072.77
  linux-image-5.4.0-1072-gcp      5.4.0-1072.77
  linux-image-5.4.0-1076-azure-fde  5.4.0-1076.79+cvm1.1
  linux-image-5.4.0-1077-azure    5.4.0-1077.80
  linux-image-5.4.0-109-generic   5.4.0-109.123
  linux-image-5.4.0-109-generic-lpae  5.4.0-109.123
  linux-image-5.4.0-109-lowlatency  5.4.0-109.123
  linux-image-aws-lts-20.04       5.4.0.1072.74
  linux-image-azure-fde           5.4.0.1076.79+cvm1.21
  linux-image-azure-lts-20.04     5.4.0.1077.75
  linux-image-gcp-lts-20.04       5.4.0.1072.80
  linux-image-generic             5.4.0.109.113
  linux-image-generic-lpae        5.4.0.109.113
  linux-image-gke                 5.4.0.1068.78
  linux-image-gke-5.4             5.4.0.1068.78
  linux-image-gkeop               5.4.0.1039.42
  linux-image-gkeop-5.4           5.4.0.1039.42
  linux-image-ibm                 5.4.0.1020.20
  linux-image-ibm-lts-20.04       5.4.0.1020.20
  linux-image-kvm                 5.4.0.1062.61
  linux-image-lowlatency          5.4.0.109.113
  linux-image-oem                 5.4.0.109.113
  linux-image-oem-osp1            5.4.0.109.113
  linux-image-oracle-lts-20.04    5.4.0.1070.70
  linux-image-raspi               5.4.0.1059.93
  linux-image-raspi2              5.4.0.1059.93
  linux-image-virtual             5.4.0.109.113

Ubuntu 18.04 LTS:
  linux-image-5.4.0-1020-ibm      5.4.0-1020.22~18.04.1
  linux-image-5.4.0-1039-gkeop    5.4.0-1039.40~18.04.1
  linux-image-5.4.0-1059-raspi    5.4.0-1059.66~18.04.1
  linux-image-5.4.0-1068-gke      5.4.0-1068.71~18.04.1
  linux-image-5.4.0-1070-oracle   5.4.0-1070.76~18.04.1
  linux-image-5.4.0-1072-gcp      5.4.0-1072.77~18.04.1
  linux-image-5.4.0-1077-azure    5.4.0-1077.80~18.04.1
  linux-image-5.4.0-109-generic   5.4.0-109.123~18.04.1
  linux-image-5.4.0-109-generic-lpae  5.4.0-109.123~18.04.1
  linux-image-5.4.0-109-lowlatency  5.4.0-109.123~18.04.1
  linux-image-azure               5.4.0.1077.56
  linux-image-gcp                 5.4.0.1072.56
  linux-image-generic-hwe-18.04   5.4.0.109.123~18.04.94
  linux-image-generic-lpae-hwe-18.04  5.4.0.109.123~18.04.94
  linux-image-gke-5.4             5.4.0.1068.71~18.04.32
  linux-image-gkeop-5.4           5.4.0.1039.40~18.04.39
  linux-image-ibm                 5.4.0.1020.37
  linux-image-lowlatency-hwe-18.04  5.4.0.109.123~18.04.94
  linux-image-oem                 5.4.0.109.123~18.04.94
  linux-image-oem-osp1            5.4.0.109.123~18.04.94
  linux-image-oracle              5.4.0.1070.76~18.04.49
  linux-image-raspi-hwe-18.04     5.4.0.1059.60
  linux-image-snapdragon-hwe-18.04  5.4.0.109.123~18.04.94
  linux-image-virtual-hwe-18.04   5.4.0.109.123~18.04.94

After a standard system update you need to reboot your computer to make
all the necessary changes.

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.

References:
  https://ubuntu.com/security/notices/USN-5384-1
  CVE-2022-0617, CVE-2022-24448, CVE-2022-24959

Package Information:
  https://launchpad.net/ubuntu/+source/linux/5.4.0-109.123
  https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1072.77
  https://launchpad.net/ubuntu/+source/linux-azure/5.4.0-1077.80
  https://launchpad.net/ubuntu/+source/linux-azure-fde/5.4.0-1076.79+cvm1.1
  https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1072.77
  https://launchpad.net/ubuntu/+source/linux-gke/5.4.0-1068.71
  https://launchpad.net/ubuntu/+source/linux-gkeop/5.4.0-1039.40
  https://launchpad.net/ubuntu/+source/linux-ibm/5.4.0-1020.22
  https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1062.65
  https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1070.76
  https://launchpad.net/ubuntu/+source/linux-raspi/5.4.0-1059.67
  https://launchpad.net/ubuntu/+source/linux-azure-5.4/5.4.0-1077.80~18.04.1
  https://launchpad.net/ubuntu/+source/linux-gcp-5.4/5.4.0-1072.77~18.04.1
  https://launchpad.net/ubuntu/+source/linux-gke-5.4/5.4.0-1068.71~18.04.1
  https://launchpad.net/ubuntu/+source/linux-gkeop-5.4/5.4.0-1039.40~18.04.1
  https://launchpad.net/ubuntu/+source/linux-hwe-5.4/5.4.0-109.123~18.04.1
  https://launchpad.net/ubuntu/+source/linux-ibm-5.4/5.4.0-1020.22~18.04.1
  https://launchpad.net/ubuntu/+source/linux-oracle-5.4/5.4.0-1070.76~18.04.1
  https://launchpad.net/ubuntu/+source/linux-raspi-5.4/5.4.0-1059.66~18.04.1

Ubuntu 5384-1: Linux kernel vulnerabilities

April 20, 2022
Several security issues were fixed in the Linux kernel.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: linux-image-5.4.0-1020-ibm 5.4.0-1020.22 linux-image-5.4.0-1039-gkeop 5.4.0-1039.40 linux-image-5.4.0-1059-raspi 5.4.0-1059.67 linux-image-5.4.0-1062-kvm 5.4.0-1062.65 linux-image-5.4.0-1068-gke 5.4.0-1068.71 linux-image-5.4.0-1070-oracle 5.4.0-1070.76 linux-image-5.4.0-1072-aws 5.4.0-1072.77 linux-image-5.4.0-1072-gcp 5.4.0-1072.77 linux-image-5.4.0-1076-azure-fde 5.4.0-1076.79+cvm1.1 linux-image-5.4.0-1077-azure 5.4.0-1077.80 linux-image-5.4.0-109-generic 5.4.0-109.123 linux-image-5.4.0-109-generic-lpae 5.4.0-109.123 linux-image-5.4.0-109-lowlatency 5.4.0-109.123 linux-image-aws-lts-20.04 5.4.0.1072.74 linux-image-azure-fde 5.4.0.1076.79+cvm1.21 linux-image-azure-lts-20.04 5.4.0.1077.75 linux-image-gcp-lts-20.04 5.4.0.1072.80 linux-image-generic 5.4.0.109.113 linux-image-generic-lpae 5.4.0.109.113 linux-image-gke 5.4.0.1068.78 linux-image-gke-5.4 5.4.0.1068.78 linux-image-gkeop 5.4.0.1039.42 linux-image-gkeop-5.4 5.4.0.1039.42 linux-image-ibm 5.4.0.1020.20 linux-image-ibm-lts-20.04 5.4.0.1020.20 linux-image-kvm 5.4.0.1062.61 linux-image-lowlatency 5.4.0.109.113 linux-image-oem 5.4.0.109.113 linux-image-oem-osp1 5.4.0.109.113 linux-image-oracle-lts-20.04 5.4.0.1070.70 linux-image-raspi 5.4.0.1059.93 linux-image-raspi2 5.4.0.1059.93 linux-image-virtual 5.4.0.109.113 Ubuntu 18.04 LTS: linux-image-5.4.0-1020-ibm 5.4.0-1020.22~18.04.1 linux-image-5.4.0-1039-gkeop 5.4.0-1039.40~18.04.1 linux-image-5.4.0-1059-raspi 5.4.0-1059.66~18.04.1 linux-image-5.4.0-1068-gke 5.4.0-1068.71~18.04.1 linux-image-5.4.0-1070-oracle 5.4.0-1070.76~18.04.1 linux-image-5.4.0-1072-gcp 5.4.0-1072.77~18.04.1 linux-image-5.4.0-1077-azure 5.4.0-1077.80~18.04.1 linux-image-5.4.0-109-generic 5.4.0-109.123~18.04.1 linux-image-5.4.0-109-generic-lpae 5.4.0-109.123~18.04.1 linux-image-5.4.0-109-lowlatency 5.4.0-109.123~18.04.1 linux-image-azure 5.4.0.1077.56 linux-image-gcp 5.4.0.1072.56 linux-image-generic-hwe-18.04 5.4.0.109.123~18.04.94 linux-image-generic-lpae-hwe-18.04 5.4.0.109.123~18.04.94 linux-image-gke-5.4 5.4.0.1068.71~18.04.32 linux-image-gkeop-5.4 5.4.0.1039.40~18.04.39 linux-image-ibm 5.4.0.1020.37 linux-image-lowlatency-hwe-18.04 5.4.0.109.123~18.04.94 linux-image-oem 5.4.0.109.123~18.04.94 linux-image-oem-osp1 5.4.0.109.123~18.04.94 linux-image-oracle 5.4.0.1070.76~18.04.49 linux-image-raspi-hwe-18.04 5.4.0.1059.60 linux-image-snapdragon-hwe-18.04 5.4.0.109.123~18.04.94 linux-image-virtual-hwe-18.04 5.4.0.109.123~18.04.94 After a standard system update you need to reboot your computer to make all the necessary changes. ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual, linux-powerpc), a standard system upgrade will automatically perform this as well.

References

https://ubuntu.com/security/notices/USN-5384-1

CVE-2022-0617, CVE-2022-24448, CVE-2022-24959

Severity
April 20, 2022

Package Information

https://launchpad.net/ubuntu/+source/linux/5.4.0-109.123 https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1072.77 https://launchpad.net/ubuntu/+source/linux-azure/5.4.0-1077.80 https://launchpad.net/ubuntu/+source/linux-azure-fde/5.4.0-1076.79+cvm1.1 https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1072.77 https://launchpad.net/ubuntu/+source/linux-gke/5.4.0-1068.71 https://launchpad.net/ubuntu/+source/linux-gkeop/5.4.0-1039.40 https://launchpad.net/ubuntu/+source/linux-ibm/5.4.0-1020.22 https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1062.65 https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1070.76 https://launchpad.net/ubuntu/+source/linux-raspi/5.4.0-1059.67 https://launchpad.net/ubuntu/+source/linux-azure-5.4/5.4.0-1077.80~18.04.1 https://launchpad.net/ubuntu/+source/linux-gcp-5.4/5.4.0-1072.77~18.04.1 https://launchpad.net/ubuntu/+source/linux-gke-5.4/5.4.0-1068.71~18.04.1 https://launchpad.net/ubuntu/+source/linux-gkeop-5.4/5.4.0-1039.40~18.04.1 https://launchpad.net/ubuntu/+source/linux-hwe-5.4/5.4.0-109.123~18.04.1 https://launchpad.net/ubuntu/+source/linux-ibm-5.4/5.4.0-1020.22~18.04.1 https://launchpad.net/ubuntu/+source/linux-oracle-5.4/5.4.0-1070.76~18.04.1 https://launchpad.net/ubuntu/+source/linux-raspi-5.4/5.4.0-1059.66~18.04.1

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