=========================================================================Ubuntu Security Notice USN-5415-1
May 12, 2022

linux, linux-aws, linux-azure, linux-azure-5.4, linux-azure-fde,
linux-gcp, linux-gcp-5.4, linux-gke, 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-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:

Jeremy Cline discovered a use-after-free in the nouveau graphics driver
of the Linux kernel during device removal. A privileged or physically
proximate attacker could use this to cause a denial of service (system
crash). (CVE-2020-27820)

Ke Sun, Alyssa Milburn, Henrique Kawakami, Emma Benoit, Igor Chervatyuk,
Lisa Aichele, and Thais Moreira Hamasaki discovered that the Spectre
Variant 2 mitigations for AMD processors on Linux were insufficient in some
situations. A local attacker could possibly use this to expose sensitive
information. (CVE-2021-26401)

David Bouman discovered that the netfilter subsystem in the Linux kernel
did not initialize memory in some situations. A local attacker could use
this to expose sensitive information (kernel memory). (CVE-2022-1016)

It was discovered that the MMC/SD subsystem in the Linux kernel did not
properly handle read errors from SD cards in certain situations. An
attacker could possibly use this to expose sensitive information (kernel
memory). (CVE-2022-20008)

It was discovered that the USB gadget subsystem in the Linux kernel did not
properly validate interface descriptor requests. An attacker could possibly
use this to cause a denial of service (system crash). (CVE-2022-25258)

It was discovered that the Remote NDIS (RNDIS) USB gadget implementation in
the Linux kernel did not properly validate the size of the RNDIS_MSG_SET
command. An attacker could possibly use this to expose sensitive
information (kernel memory). (CVE-2022-25375)

It was discovered that the ST21NFCA NFC driver in the Linux kernel did not
properly validate the size of certain data in EVT_TRANSACTION events. A
physically proximate attacker could use this to cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2022-26490)

It was discovered that the Xilinx USB2 device gadget driver in the Linux
kernel did not properly validate endpoint indices from the host. A
physically proximate attacker could possibly use this to cause a denial of
service (system crash). (CVE-2022-27223)

Update instructions:

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

Ubuntu 20.04 LTS:
  linux-image-5.4.0-1021-ibm      5.4.0-1021.23
  linux-image-5.4.0-1040-gkeop    5.4.0-1040.41
  linux-image-5.4.0-1060-raspi    5.4.0-1060.68
  linux-image-5.4.0-1063-kvm      5.4.0-1063.66
  linux-image-5.4.0-1071-gke      5.4.0-1071.76
  linux-image-5.4.0-1071-oracle   5.4.0-1071.77
  linux-image-5.4.0-1073-aws      5.4.0-1073.78
  linux-image-5.4.0-1073-gcp      5.4.0-1073.78
  linux-image-5.4.0-1078-azure    5.4.0-1078.81
  linux-image-5.4.0-1078-azure-fde  5.4.0-1078.81+cvm1.1
  linux-image-5.4.0-110-generic   5.4.0-110.124
  linux-image-5.4.0-110-generic-lpae  5.4.0-110.124
  linux-image-5.4.0-110-lowlatency  5.4.0-110.124
  linux-image-aws-lts-20.04       5.4.0.1073.75
  linux-image-azure-fde           5.4.0.1078.81+cvm1.22
  linux-image-azure-lts-20.04     5.4.0.1078.76
  linux-image-gcp-lts-20.04       5.4.0.1073.81
  linux-image-generic             5.4.0.110.114
  linux-image-generic-lpae        5.4.0.110.114
  linux-image-gke                 5.4.0.1071.80
  linux-image-gke-5.4             5.4.0.1071.80
  linux-image-gkeop               5.4.0.1040.43
  linux-image-gkeop-5.4           5.4.0.1040.43
  linux-image-ibm                 5.4.0.1021.21
  linux-image-ibm-lts-20.04       5.4.0.1021.21
  linux-image-kvm                 5.4.0.1063.62
  linux-image-lowlatency          5.4.0.110.114
  linux-image-oem                 5.4.0.110.114
  linux-image-oem-osp1            5.4.0.110.114
  linux-image-oracle-lts-20.04    5.4.0.1071.71
  linux-image-raspi               5.4.0.1060.94
  linux-image-raspi2              5.4.0.1060.94
  linux-image-virtual             5.4.0.110.114

Ubuntu 18.04 LTS:
  linux-image-5.4.0-1021-ibm      5.4.0-1021.23~18.04.1
  linux-image-5.4.0-1040-gkeop    5.4.0-1040.41~18.04.1
  linux-image-5.4.0-1060-raspi    5.4.0-1060.68~18.04.1
  linux-image-5.4.0-1071-oracle   5.4.0-1071.77~18.04.1
  linux-image-5.4.0-1073-gcp      5.4.0-1073.78~18.04.1
  linux-image-5.4.0-1078-azure    5.4.0-1078.81~18.04.1
  linux-image-5.4.0-110-generic   5.4.0-110.124~18.04.1
  linux-image-5.4.0-110-generic-lpae  5.4.0-110.124~18.04.1
  linux-image-5.4.0-110-lowlatency  5.4.0-110.124~18.04.1
  linux-image-azure               5.4.0.1078.57
  linux-image-gcp                 5.4.0.1073.57
  linux-image-generic-hwe-18.04   5.4.0.110.124~18.04.95
  linux-image-generic-lpae-hwe-18.04  5.4.0.110.124~18.04.95
  linux-image-gkeop-5.4           5.4.0.1040.41~18.04.40
  linux-image-ibm                 5.4.0.1021.38
  linux-image-lowlatency-hwe-18.04  5.4.0.110.124~18.04.95
  linux-image-oem                 5.4.0.110.124~18.04.95
  linux-image-oem-osp1            5.4.0.110.124~18.04.95
  linux-image-oracle              5.4.0.1071.77~18.04.50
  linux-image-raspi-hwe-18.04     5.4.0.1060.61
  linux-image-snapdragon-hwe-18.04  5.4.0.110.124~18.04.95
  linux-image-virtual-hwe-18.04   5.4.0.110.124~18.04.95

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-5415-1
  CVE-2020-27820, CVE-2021-26401, CVE-2022-1016, CVE-2022-20008,
  CVE-2022-25258, CVE-2022-25375, CVE-2022-26490, CVE-2022-27223

Package Information:
  https://launchpad.net/ubuntu/+source/linux/5.4.0-110.124
  https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1073.78
  https://launchpad.net/ubuntu/+source/linux-azure/5.4.0-1078.81
  https://launchpad.net/ubuntu/+source/linux-azure-fde/5.4.0-1078.81+cvm1.1
  https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1073.78
  https://launchpad.net/ubuntu/+source/linux-gke/5.4.0-1071.76
  https://launchpad.net/ubuntu/+source/linux-gkeop/5.4.0-1040.41
  https://launchpad.net/ubuntu/+source/linux-ibm/5.4.0-1021.23
  https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1063.66
  https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1071.77
  https://launchpad.net/ubuntu/+source/linux-raspi/5.4.0-1060.68
  https://launchpad.net/ubuntu/+source/linux-azure-5.4/5.4.0-1078.81~18.04.1
  https://launchpad.net/ubuntu/+source/linux-gcp-5.4/5.4.0-1073.78~18.04.1
  https://launchpad.net/ubuntu/+source/linux-gkeop-5.4/5.4.0-1040.41~18.04.1
  https://launchpad.net/ubuntu/+source/linux-hwe-5.4/5.4.0-110.124~18.04.1
  https://launchpad.net/ubuntu/+source/linux-ibm-5.4/5.4.0-1021.23~18.04.1
  https://launchpad.net/ubuntu/+source/linux-oracle-5.4/5.4.0-1071.77~18.04.1
  https://launchpad.net/ubuntu/+source/linux-raspi-5.4/5.4.0-1060.68~18.04.1

Ubuntu 5415-1: Linux kernel vulnerabilities

May 11, 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-5.4.0-1021-ibm 5.4.0-1021.23 linux-image-5.4.0-1040-gkeop 5.4.0-1040.41 linux-image-5.4.0-1060-raspi 5.4.0-1060.68 linux-image-5.4.0-1063-kvm 5.4.0-1063.66 linux-image-5.4.0-1071-gke 5.4.0-1071.76 linux-image-5.4.0-1071-oracle 5.4.0-1071.77 linux-image-5.4.0-1073-aws 5.4.0-1073.78 linux-image-5.4.0-1073-gcp 5.4.0-1073.78 linux-image-5.4.0-1078-azure 5.4.0-1078.81 linux-image-5.4.0-1078-azure-fde 5.4.0-1078.81+cvm1.1 linux-image-5.4.0-110-generic 5.4.0-110.124 linux-image-5.4.0-110-generic-lpae 5.4.0-110.124 linux-image-5.4.0-110-lowlatency 5.4.0-110.124 linux-image-aws-lts-20.04 5.4.0.1073.75 linux-image-azure-fde 5.4.0.1078.81+cvm1.22 linux-image-azure-lts-20.04 5.4.0.1078.76 linux-image-gcp-lts-20.04 5.4.0.1073.81 linux-image-generic 5.4.0.110.114 linux-image-generic-lpae 5.4.0.110.114 linux-image-gke 5.4.0.1071.80 linux-image-gke-5.4 5.4.0.1071.80 linux-image-gkeop 5.4.0.1040.43 linux-image-gkeop-5.4 5.4.0.1040.43 linux-image-ibm 5.4.0.1021.21 linux-image-ibm-lts-20.04 5.4.0.1021.21 linux-image-kvm 5.4.0.1063.62 linux-image-lowlatency 5.4.0.110.114 linux-image-oem 5.4.0.110.114 linux-image-oem-osp1 5.4.0.110.114 linux-image-oracle-lts-20.04 5.4.0.1071.71 linux-image-raspi 5.4.0.1060.94 linux-image-raspi2 5.4.0.1060.94 linux-image-virtual 5.4.0.110.114 Ubuntu 18.04 LTS: linux-image-5.4.0-1021-ibm 5.4.0-1021.23~18.04.1 linux-image-5.4.0-1040-gkeop 5.4.0-1040.41~18.04.1 linux-image-5.4.0-1060-raspi 5.4.0-1060.68~18.04.1 linux-image-5.4.0-1071-oracle 5.4.0-1071.77~18.04.1 linux-image-5.4.0-1073-gcp 5.4.0-1073.78~18.04.1 linux-image-5.4.0-1078-azure 5.4.0-1078.81~18.04.1 linux-image-5.4.0-110-generic 5.4.0-110.124~18.04.1 linux-image-5.4.0-110-generic-lpae 5.4.0-110.124~18.04.1 linux-image-5.4.0-110-lowlatency 5.4.0-110.124~18.04.1 linux-image-azure 5.4.0.1078.57 linux-image-gcp 5.4.0.1073.57 linux-image-generic-hwe-18.04 5.4.0.110.124~18.04.95 linux-image-generic-lpae-hwe-18.04 5.4.0.110.124~18.04.95 linux-image-gkeop-5.4 5.4.0.1040.41~18.04.40 linux-image-ibm 5.4.0.1021.38 linux-image-lowlatency-hwe-18.04 5.4.0.110.124~18.04.95 linux-image-oem 5.4.0.110.124~18.04.95 linux-image-oem-osp1 5.4.0.110.124~18.04.95 linux-image-oracle 5.4.0.1071.77~18.04.50 linux-image-raspi-hwe-18.04 5.4.0.1060.61 linux-image-snapdragon-hwe-18.04 5.4.0.110.124~18.04.95 linux-image-virtual-hwe-18.04 5.4.0.110.124~18.04.95 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-5415-1

CVE-2020-27820, CVE-2021-26401, CVE-2022-1016, CVE-2022-20008,

CVE-2022-25258, CVE-2022-25375, CVE-2022-26490, CVE-2022-27223

Severity
May 12, 2022

Package Information

https://launchpad.net/ubuntu/+source/linux/5.4.0-110.124 https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1073.78 https://launchpad.net/ubuntu/+source/linux-azure/5.4.0-1078.81 https://launchpad.net/ubuntu/+source/linux-azure-fde/5.4.0-1078.81+cvm1.1 https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1073.78 https://launchpad.net/ubuntu/+source/linux-gke/5.4.0-1071.76 https://launchpad.net/ubuntu/+source/linux-gkeop/5.4.0-1040.41 https://launchpad.net/ubuntu/+source/linux-ibm/5.4.0-1021.23 https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1063.66 https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1071.77 https://launchpad.net/ubuntu/+source/linux-raspi/5.4.0-1060.68 https://launchpad.net/ubuntu/+source/linux-azure-5.4/5.4.0-1078.81~18.04.1 https://launchpad.net/ubuntu/+source/linux-gcp-5.4/5.4.0-1073.78~18.04.1 https://launchpad.net/ubuntu/+source/linux-gkeop-5.4/5.4.0-1040.41~18.04.1 https://launchpad.net/ubuntu/+source/linux-hwe-5.4/5.4.0-110.124~18.04.1 https://launchpad.net/ubuntu/+source/linux-ibm-5.4/5.4.0-1021.23~18.04.1 https://launchpad.net/ubuntu/+source/linux-oracle-5.4/5.4.0-1071.77~18.04.1 https://launchpad.net/ubuntu/+source/linux-raspi-5.4/5.4.0-1060.68~18.04.1

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