=========================================================================Ubuntu Security Notice USN-5468-1
June 08, 2022

linux, linux-aws, linux-aws-5.13, linux-azure, linux-azure-5.13,
linux-gcp, linux-gcp-5.13, linux-hwe-5.13, linux-intel-5.13, linux-kvm,
linux-oracle, linux-oracle-5.13, linux-raspi vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 21.10
- Ubuntu 20.04 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-gcp: Linux kernel for Google Cloud Platform (GCP) 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-aws-5.13: Linux kernel for Amazon Web Services (AWS) systems
- linux-azure-5.13: Linux kernel for Microsoft Azure cloud systems
- linux-gcp-5.13: Linux kernel for Google Cloud Platform (GCP) systems
- linux-hwe-5.13: Linux hardware enablement (HWE) kernel
- linux-intel-5.13: Linux kernel for Intel IOTG
- linux-oracle-5.13: Linux kernel for Oracle Cloud systems

Details:

It was discovered that the Linux kernel did not properly restrict access to
the kernel debugger when booted in secure boot environments. A privileged
attacker could use this to bypass UEFI Secure Boot restrictions.
(CVE-2022-21499)

Aaron Adams discovered that the netfilter subsystem in the Linux kernel did
not properly handle the removal of stateful expressions in some situations,
leading to a use-after-free vulnerability. A local attacker could use this
to cause a denial of service (system crash) or execute arbitrary code.
(CVE-2022-1966)

Qiuhao Li, Gaoning Pan and Yongkang Jia discovered that the KVM
implementation in the Linux kernel did not properly perform guest page
table updates in some situations. An attacker in a guest vm could possibly
use this to crash the host OS. (CVE-2022-1158)

Ziming Zhang discovered that the netfilter subsystem in the Linux kernel
did not properly validate sets with multiple ranged fields. A local
attacker could use this to cause a denial of service or execute arbitrary
code. (CVE-2022-1972)

It was discovered that the USB Gadget file system interface in the Linux
kernel contained a use-after-free vulnerability. A local attacker could use
this to cause a denial of service (system crash) or possibly execute
arbitrary code. (CVE-2022-24958)

It was discovered that the EMS CAN/USB interface implementation in the
Linux kernel contained a double-free vulnerability when handling certain
error conditions. A local attacker could use this to cause a denial of
service (memory exhaustion). (CVE-2022-28390)

Update instructions:

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

Ubuntu 21.10:
  linux-image-5.13.0-1027-kvm     5.13.0-1027.29
  linux-image-5.13.0-1028-aws     5.13.0-1028.31
  linux-image-5.13.0-1028-azure   5.13.0-1028.33
  linux-image-5.13.0-1030-gcp     5.13.0-1030.36
  linux-image-5.13.0-1031-raspi   5.13.0-1031.34
  linux-image-5.13.0-1031-raspi-nolpae  5.13.0-1031.34
  linux-image-5.13.0-1033-oracle  5.13.0-1033.39
  linux-image-5.13.0-48-generic   5.13.0-48.54
  linux-image-5.13.0-48-generic-64k  5.13.0-48.54
  linux-image-5.13.0-48-generic-lpae  5.13.0-48.54
  linux-image-5.13.0-48-lowlatency  5.13.0-48.54
  linux-image-aws                 5.13.0.1028.28
  linux-image-azure               5.13.0.1028.27
  linux-image-gcp                 5.13.0.1030.27
  linux-image-generic             5.13.0.48.56
  linux-image-generic-64k         5.13.0.48.56
  linux-image-generic-lpae        5.13.0.48.56
  linux-image-gke                 5.13.0.1030.27
  linux-image-kvm                 5.13.0.1027.26
  linux-image-lowlatency          5.13.0.48.56
  linux-image-oem-20.04           5.13.0.48.56
  linux-image-oracle              5.13.0.1033.32
  linux-image-raspi               5.13.0.1031.35
  linux-image-raspi-nolpae        5.13.0.1031.35
  linux-image-virtual             5.13.0.48.56

Ubuntu 20.04 LTS:
  linux-image-5.13.0-1014-intel   5.13.0-1014.15
  linux-image-5.13.0-1028-aws     5.13.0-1028.31~20.04.1
  linux-image-5.13.0-1028-azure   5.13.0-1028.33~20.04.1
  linux-image-5.13.0-1030-gcp     5.13.0-1030.36~20.04.1
  linux-image-5.13.0-1033-oracle  5.13.0-1033.39~20.04.1
  linux-image-5.13.0-48-generic   5.13.0-48.54~20.04.1
  linux-image-5.13.0-48-generic-64k  5.13.0-48.54~20.04.1
  linux-image-5.13.0-48-generic-lpae  5.13.0-48.54~20.04.1
  linux-image-5.13.0-48-lowlatency  5.13.0-48.54~20.04.1
  linux-image-aws                 5.13.0.1028.31~20.04.22
  linux-image-azure               5.13.0.1028.33~20.04.17
  linux-image-gcp                 5.13.0.1030.36~20.04.1
  linux-image-generic-64k-hwe-20.04  5.13.0.48.54~20.04.30
  linux-image-generic-hwe-20.04   5.13.0.48.54~20.04.30
  linux-image-generic-lpae-hwe-20.04  5.13.0.48.54~20.04.30
  linux-image-intel               5.13.0.1014.14
  linux-image-lowlatency-hwe-20.04  5.13.0.48.54~20.04.30
  linux-image-oracle              5.13.0.1033.39~20.04.1
  linux-image-virtual-hwe-20.04   5.13.0.48.54~20.04.30

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-5468-1
  CVE-2022-1158, CVE-2022-1966, CVE-2022-1972, CVE-2022-21499,
  CVE-2022-24958, CVE-2022-28390

Package Information:
  https://launchpad.net/ubuntu/+source/linux/5.13.0-48.54
  https://launchpad.net/ubuntu/+source/linux-aws/5.13.0-1028.31
  https://launchpad.net/ubuntu/+source/linux-azure/5.13.0-1028.33
  https://launchpad.net/ubuntu/+source/linux-gcp/5.13.0-1030.36
  https://launchpad.net/ubuntu/+source/linux-kvm/5.13.0-1027.29
  https://launchpad.net/ubuntu/+source/linux-oracle/5.13.0-1033.39
  https://launchpad.net/ubuntu/+source/linux-raspi/5.13.0-1031.34
  https://launchpad.net/ubuntu/+source/linux-aws-5.13/5.13.0-1028.31~20.04.1
  https://launchpad.net/ubuntu/+source/linux-azure-5.13/5.13.0-1028.33~20.04.1
  https://launchpad.net/ubuntu/+source/linux-gcp-5.13/5.13.0-1030.36~20.04.1
  https://launchpad.net/ubuntu/+source/linux-hwe-5.13/5.13.0-48.54~20.04.1
  https://launchpad.net/ubuntu/+source/linux-intel-5.13/5.13.0-1014.15
  https://launchpad.net/ubuntu/+source/linux-oracle-5.13/5.13.0-1033.39~20.04.1

Ubuntu 5468-1: Linux kernel vulnerabilities

June 8, 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 21.10: linux-image-5.13.0-1027-kvm 5.13.0-1027.29 linux-image-5.13.0-1028-aws 5.13.0-1028.31 linux-image-5.13.0-1028-azure 5.13.0-1028.33 linux-image-5.13.0-1030-gcp 5.13.0-1030.36 linux-image-5.13.0-1031-raspi 5.13.0-1031.34 linux-image-5.13.0-1031-raspi-nolpae 5.13.0-1031.34 linux-image-5.13.0-1033-oracle 5.13.0-1033.39 linux-image-5.13.0-48-generic 5.13.0-48.54 linux-image-5.13.0-48-generic-64k 5.13.0-48.54 linux-image-5.13.0-48-generic-lpae 5.13.0-48.54 linux-image-5.13.0-48-lowlatency 5.13.0-48.54 linux-image-aws 5.13.0.1028.28 linux-image-azure 5.13.0.1028.27 linux-image-gcp 5.13.0.1030.27 linux-image-generic 5.13.0.48.56 linux-image-generic-64k 5.13.0.48.56 linux-image-generic-lpae 5.13.0.48.56 linux-image-gke 5.13.0.1030.27 linux-image-kvm 5.13.0.1027.26 linux-image-lowlatency 5.13.0.48.56 linux-image-oem-20.04 5.13.0.48.56 linux-image-oracle 5.13.0.1033.32 linux-image-raspi 5.13.0.1031.35 linux-image-raspi-nolpae 5.13.0.1031.35 linux-image-virtual 5.13.0.48.56 Ubuntu 20.04 LTS: linux-image-5.13.0-1014-intel 5.13.0-1014.15 linux-image-5.13.0-1028-aws 5.13.0-1028.31~20.04.1 linux-image-5.13.0-1028-azure 5.13.0-1028.33~20.04.1 linux-image-5.13.0-1030-gcp 5.13.0-1030.36~20.04.1 linux-image-5.13.0-1033-oracle 5.13.0-1033.39~20.04.1 linux-image-5.13.0-48-generic 5.13.0-48.54~20.04.1 linux-image-5.13.0-48-generic-64k 5.13.0-48.54~20.04.1 linux-image-5.13.0-48-generic-lpae 5.13.0-48.54~20.04.1 linux-image-5.13.0-48-lowlatency 5.13.0-48.54~20.04.1 linux-image-aws 5.13.0.1028.31~20.04.22 linux-image-azure 5.13.0.1028.33~20.04.17 linux-image-gcp 5.13.0.1030.36~20.04.1 linux-image-generic-64k-hwe-20.04 5.13.0.48.54~20.04.30 linux-image-generic-hwe-20.04 5.13.0.48.54~20.04.30 linux-image-generic-lpae-hwe-20.04 5.13.0.48.54~20.04.30 linux-image-intel 5.13.0.1014.14 linux-image-lowlatency-hwe-20.04 5.13.0.48.54~20.04.30 linux-image-oracle 5.13.0.1033.39~20.04.1 linux-image-virtual-hwe-20.04 5.13.0.48.54~20.04.30 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-5468-1

CVE-2022-1158, CVE-2022-1966, CVE-2022-1972, CVE-2022-21499,

CVE-2022-24958, CVE-2022-28390

Severity
June 08, 2022

Package Information

https://launchpad.net/ubuntu/+source/linux/5.13.0-48.54 https://launchpad.net/ubuntu/+source/linux-aws/5.13.0-1028.31 https://launchpad.net/ubuntu/+source/linux-azure/5.13.0-1028.33 https://launchpad.net/ubuntu/+source/linux-gcp/5.13.0-1030.36 https://launchpad.net/ubuntu/+source/linux-kvm/5.13.0-1027.29 https://launchpad.net/ubuntu/+source/linux-oracle/5.13.0-1033.39 https://launchpad.net/ubuntu/+source/linux-raspi/5.13.0-1031.34 https://launchpad.net/ubuntu/+source/linux-aws-5.13/5.13.0-1028.31~20.04.1 https://launchpad.net/ubuntu/+source/linux-azure-5.13/5.13.0-1028.33~20.04.1 https://launchpad.net/ubuntu/+source/linux-gcp-5.13/5.13.0-1030.36~20.04.1 https://launchpad.net/ubuntu/+source/linux-hwe-5.13/5.13.0-48.54~20.04.1 https://launchpad.net/ubuntu/+source/linux-intel-5.13/5.13.0-1014.15 https://launchpad.net/ubuntu/+source/linux-oracle-5.13/5.13.0-1033.39~20.04.1

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