=========================================================================Ubuntu Security Notice USN-5791-1
January 06, 2023

linux, linux-aws, linux-aws-5.4, linux-gcp, linux-gcp-5.4, linux-gke,
linux-gkeop, 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-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-aws-5.4: Linux kernel for Amazon Web Services (AWS) systems
- linux-gcp-5.4: Linux kernel for Google Cloud Platform (GCP) 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 a race condition existed in the Android Binder IPC
subsystem in the Linux kernel, leading to 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-2022-20421)

David Leadbeater discovered that the netfilter IRC protocol tracking
implementation in the Linux Kernel incorrectly handled certain message
payloads in some situations. A remote attacker could possibly use this to
cause a denial of service or bypass firewall filtering. (CVE-2022-2663)

It was discovered that the Intel 740 frame buffer driver in the Linux
kernel contained a divide by zero vulnerability. A local attacker could use
this to cause a denial of service (system crash). (CVE-2022-3061)

It was discovered that the sound subsystem in the Linux kernel contained a
race condition in some situations. A local attacker could use this to cause
a denial of service (system crash). (CVE-2022-3303)

Gwnaun Jung discovered that the SFB packet scheduling implementation 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-2022-3586)

It was discovered that the NILFS2 file system implementation in the Linux
kernel did not properly deallocate memory in certain error conditions. An
attacker could use this to cause a denial of service (memory exhaustion).
(CVE-2022-3646)

Hyunwoo Kim discovered that an integer overflow vulnerability existed in
the PXA3xx graphics driver in the Linux kernel. A local attacker could
possibly use this to cause a denial of service (system crash).
(CVE-2022-39842)

It was discovered that a race condition existed in the EFI capsule loader
driver in the Linux kernel, leading to 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-2022-40307)

Zheng Wang and Zhuorao Yang discovered that the RealTek RTL8712U wireless
driver 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-2022-4095)

It was discovered that the USB monitoring (usbmon) component in the Linux
kernel did not properly set permissions on memory mapped in to user space
processes. A local attacker could use this to cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2022-43750)

Update instructions:

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

Ubuntu 20.04 LTS:
   linux-image-5.4.0-1041-ibm      5.4.0-1041.46
   linux-image-5.4.0-1061-gkeop    5.4.0-1061.65
   linux-image-5.4.0-1078-raspi    5.4.0-1078.89
   linux-image-5.4.0-1083-kvm      5.4.0-1083.89
   linux-image-5.4.0-1091-gke      5.4.0-1091.98
   linux-image-5.4.0-1091-oracle   5.4.0-1091.100
   linux-image-5.4.0-1093-aws      5.4.0-1093.101
   linux-image-5.4.0-1097-gcp      5.4.0-1097.106
   linux-image-5.4.0-136-generic   5.4.0-136.153
   linux-image-5.4.0-136-generic-lpae  5.4.0-136.153
   linux-image-5.4.0-136-lowlatency  5.4.0-136.153
   linux-image-aws-lts-20.04       5.4.0.1093.90
   linux-image-gcp-lts-20.04       5.4.0.1097.99
   linux-image-generic             5.4.0.136.134
   linux-image-generic-lpae        5.4.0.136.134
   linux-image-gke                 5.4.0.1091.96
   linux-image-gke-5.4             5.4.0.1091.96
   linux-image-gkeop               5.4.0.1061.59
   linux-image-gkeop-5.4           5.4.0.1061.59
   linux-image-ibm                 5.4.0.1041.67
   linux-image-ibm-lts-20.04       5.4.0.1041.67
   linux-image-kvm                 5.4.0.1083.77
   linux-image-lowlatency          5.4.0.136.134
   linux-image-oem                 5.4.0.136.134
   linux-image-oem-osp1            5.4.0.136.134
   linux-image-oracle-lts-20.04    5.4.0.1091.84
   linux-image-raspi               5.4.0.1078.108
   linux-image-raspi2              5.4.0.1078.108
   linux-image-virtual             5.4.0.136.134

Ubuntu 18.04 LTS:
   linux-image-5.4.0-1041-ibm      5.4.0-1041.46~18.04.1
   linux-image-5.4.0-1078-raspi    5.4.0-1078.89~18.04.1
   linux-image-5.4.0-1091-oracle   5.4.0-1091.100~18.04.1
   linux-image-5.4.0-1093-aws      5.4.0-1093.102~18.04.2
   linux-image-5.4.0-1097-gcp      5.4.0-1097.106~18.04.1
   linux-image-5.4.0-136-generic   5.4.0-136.153~18.04.1
   linux-image-5.4.0-136-generic-lpae  5.4.0-136.153~18.04.1
   linux-image-5.4.0-136-lowlatency  5.4.0-136.153~18.04.1
   linux-image-aws                 5.4.0.1093.71
   linux-image-gcp                 5.4.0.1097.73
   linux-image-generic-hwe-18.04   5.4.0.136.153~18.04.111
   linux-image-generic-lpae-hwe-18.04  5.4.0.136.153~18.04.111
   linux-image-ibm                 5.4.0.1041.52
   linux-image-lowlatency-hwe-18.04  5.4.0.136.153~18.04.111
   linux-image-oem                 5.4.0.136.153~18.04.111
   linux-image-oem-osp1            5.4.0.136.153~18.04.111
   linux-image-oracle              5.4.0.1091.100~18.04.65
   linux-image-raspi-hwe-18.04     5.4.0.1078.75
   linux-image-snapdragon-hwe-18.04  5.4.0.136.153~18.04.111
   linux-image-virtual-hwe-18.04   5.4.0.136.153~18.04.111

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-5791-1
   CVE-2022-20421, CVE-2022-2663, CVE-2022-3061, CVE-2022-3303,
   CVE-2022-3586, CVE-2022-3646, CVE-2022-39842, CVE-2022-40307,
   CVE-2022-4095, CVE-2022-43750

Package Information:
   https://launchpad.net/ubuntu/+source/linux/5.4.0-136.153
   https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1093.101
   https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1097.106
   https://launchpad.net/ubuntu/+source/linux-gke/5.4.0-1091.98
   https://launchpad.net/ubuntu/+source/linux-gkeop/5.4.0-1061.65
   https://launchpad.net/ubuntu/+source/linux-ibm/5.4.0-1041.46
   https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1083.89
   https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1091.100
   https://launchpad.net/ubuntu/+source/linux-raspi/5.4.0-1078.89
   https://launchpad.net/ubuntu/+source/linux-aws-5.4/5.4.0-1093.102~18.04.2
   https://launchpad.net/ubuntu/+source/linux-gcp-5.4/5.4.0-1097.106~18.04.1
   https://launchpad.net/ubuntu/+source/linux-hwe-5.4/5.4.0-136.153~18.04.1
   https://launchpad.net/ubuntu/+source/linux-ibm-5.4/5.4.0-1041.46~18.04.1
   https://launchpad.net/ubuntu/+source/linux-oracle-5.4/5.4.0-1091.100~18.04.1
   https://launchpad.net/ubuntu/+source/linux-raspi-5.4/5.4.0-1078.89~18.04.1

Ubuntu 5791-1: Linux kernel vulnerabilities

January 6, 2023
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-5.4.0-1041-ibm 5.4.0-1041.46 linux-image-5.4.0-1061-gkeop 5.4.0-1061.65 linux-image-5.4.0-1078-raspi 5.4.0-1078.89 linux-image-5.4.0-1083-kvm 5.4.0-1083.89 linux-image-5.4.0-1091-gke 5.4.0-1091.98 linux-image-5.4.0-1091-oracle 5.4.0-1091.100 linux-image-5.4.0-1093-aws 5.4.0-1093.101 linux-image-5.4.0-1097-gcp 5.4.0-1097.106 linux-image-5.4.0-136-generic 5.4.0-136.153 linux-image-5.4.0-136-generic-lpae 5.4.0-136.153 linux-image-5.4.0-136-lowlatency 5.4.0-136.153 linux-image-aws-lts-20.04 5.4.0.1093.90 linux-image-gcp-lts-20.04 5.4.0.1097.99 linux-image-generic 5.4.0.136.134 linux-image-generic-lpae 5.4.0.136.134 linux-image-gke 5.4.0.1091.96 linux-image-gke-5.4 5.4.0.1091.96 linux-image-gkeop 5.4.0.1061.59 linux-image-gkeop-5.4 5.4.0.1061.59 linux-image-ibm 5.4.0.1041.67 linux-image-ibm-lts-20.04 5.4.0.1041.67 linux-image-kvm 5.4.0.1083.77 linux-image-lowlatency 5.4.0.136.134 linux-image-oem 5.4.0.136.134 linux-image-oem-osp1 5.4.0.136.134 linux-image-oracle-lts-20.04 5.4.0.1091.84 linux-image-raspi 5.4.0.1078.108 linux-image-raspi2 5.4.0.1078.108 linux-image-virtual 5.4.0.136.134 Ubuntu 18.04 LTS: linux-image-5.4.0-1041-ibm 5.4.0-1041.46~18.04.1 linux-image-5.4.0-1078-raspi 5.4.0-1078.89~18.04.1 linux-image-5.4.0-1091-oracle 5.4.0-1091.100~18.04.1 linux-image-5.4.0-1093-aws 5.4.0-1093.102~18.04.2 linux-image-5.4.0-1097-gcp 5.4.0-1097.106~18.04.1 linux-image-5.4.0-136-generic 5.4.0-136.153~18.04.1 linux-image-5.4.0-136-generic-lpae 5.4.0-136.153~18.04.1 linux-image-5.4.0-136-lowlatency 5.4.0-136.153~18.04.1 linux-image-aws 5.4.0.1093.71 linux-image-gcp 5.4.0.1097.73 linux-image-generic-hwe-18.04 5.4.0.136.153~18.04.111 linux-image-generic-lpae-hwe-18.04 5.4.0.136.153~18.04.111 linux-image-ibm 5.4.0.1041.52 linux-image-lowlatency-hwe-18.04 5.4.0.136.153~18.04.111 linux-image-oem 5.4.0.136.153~18.04.111 linux-image-oem-osp1 5.4.0.136.153~18.04.111 linux-image-oracle 5.4.0.1091.100~18.04.65 linux-image-raspi-hwe-18.04 5.4.0.1078.75 linux-image-snapdragon-hwe-18.04 5.4.0.136.153~18.04.111 linux-image-virtual-hwe-18.04 5.4.0.136.153~18.04.111 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-5791-1

CVE-2022-20421, CVE-2022-2663, CVE-2022-3061, CVE-2022-3303,

CVE-2022-3586, CVE-2022-3646, CVE-2022-39842, CVE-2022-40307,

CVE-2022-4095, CVE-2022-43750

Severity
January 06, 2023

Package Information

https://launchpad.net/ubuntu/+source/linux/5.4.0-136.153 https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1093.101 https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1097.106 https://launchpad.net/ubuntu/+source/linux-gke/5.4.0-1091.98 https://launchpad.net/ubuntu/+source/linux-gkeop/5.4.0-1061.65 https://launchpad.net/ubuntu/+source/linux-ibm/5.4.0-1041.46 https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1083.89 https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1091.100 https://launchpad.net/ubuntu/+source/linux-raspi/5.4.0-1078.89 https://launchpad.net/ubuntu/+source/linux-aws-5.4/5.4.0-1093.102~18.04.2 https://launchpad.net/ubuntu/+source/linux-gcp-5.4/5.4.0-1097.106~18.04.1 https://launchpad.net/ubuntu/+source/linux-hwe-5.4/5.4.0-136.153~18.04.1 https://launchpad.net/ubuntu/+source/linux-ibm-5.4/5.4.0-1041.46~18.04.1 https://launchpad.net/ubuntu/+source/linux-oracle-5.4/5.4.0-1091.100~18.04.1 https://launchpad.net/ubuntu/+source/linux-raspi-5.4/5.4.0-1078.89~18.04.1

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