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Ubuntu 20.04 LTS: Severe DoS Vulnerability in Linux Kernel 6767-1

ubuntu
Calendar Grey May 7, 2024
Dist Ubuntu Esm H88
The latest patches for Ubuntu tackle significant vulnerabilities within the Linux core that may result in unauthorized access to the system.
Several security issues were fixed in the Linux kernel.

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-gkeop: Linux kernel for Google Container Engine (GKE) systems

- linux-ibm: Linux kernel for IBM cloud systems

- linux-iot: Linux kernel for IoT platforms

- linux-kvm: Linux kernel for cloud environments

- linux-oracle: Linux kernel for Oracle Cloud systems

- linux-raspi: Linux kernel for Raspberry Pi systems

- linux-xilinx-zynqmp: Linux kernel for Xilinx ZynqMP processors

- linux-aws-5.4: Linux kernel for Amazon Web Services (AWS) 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-hwe-5.4: Linux hardware enablement (HWE) kernel

- linux-ibm-5.4: Linux kernel for IBM clo...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu system crash critical level linux updates kernel issues

Update Instructions

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

Ubuntu 20.04 LTS
   linux-image-5.4.0-1036-iot      5.4.0-1036.37
   linux-image-5.4.0-1043-xilinx-zynqmp  5.4.0-1043.47
   linux-image-5.4.0-1071-ibm      5.4.0-1071.76
   linux-image-5.4.0-1091-gkeop    5.4.0-1091.95
   linux-image-5.4.0-1108-raspi    5.4.0-1108.120
   linux-image-5.4.0-1112-kvm      5.4.0-1112.119
   linux-image-5.4.0-1123-oracle   5.4.0-1123.132
   linux-image-5.4.0-1124-aws      5.4.0-1124.134
   linux-image-5.4.0-1128-gcp      5.4.0-1128.137
   linux-image-5.4.0-1129-azure    5.4.0-1129.136
   linux-image-5.4.0-181-generic   5.4.0-181.201
   linux-image-5.4.0-181-generic-lpae  5.4.0-181.201
   linux-image-5.4.0-181-lowlatency  5.4.0-181.201
   linux-image-aws-lts-20.04       5.4.0.1124.121
   linux-image-azure-lts-20.04     5.4.0.1129.123
   linux-image-gcp-lts-20.04       5.4.0.1128.130
   linux-image-generic             5.4.0.181.179
   linux-image-generic-lpae        5.4.0.181.179
   linux-image-gkeop               5.4.0.1091.89
   linux-image-gkeop-5.4           5.4.0.1091.89
   linux-image-ibm-lts-20.04       5.4.0.1071.100
   linux-image-kvm                 5.4.0.1112.108
   linux-image-lowlatency          5.4.0.181.179
   linux-image-oem                 5.4.0.181.179
   linux-image-oem-osp1            5.4.0.181.179
   linux-image-oracle-lts-20.04    5.4.0.1123.116
   linux-image-raspi               5.4.0.1108.138
   linux-image-raspi2              5.4.0.1108.138
   linux-image-virtual             5.4.0.181.179
   linux-image-xilinx-zynqmp       5.4.0.1043.43

Ubuntu 18.04 LTS
   linux-image-5.4.0-1071-ibm      5.4.0-1071.76~18.04.1
                                   Available with Ubuntu Pro
   linux-image-5.4.0-1108-raspi    5.4.0-1108.120~18.04.1
                                   Available with Ubuntu Pro
   linux-image-5.4.0-1123-oracle   5.4.0-1123.132~18.04.1
                                   Available with Ubuntu Pro
   linux-image-5.4.0-1124-aws      5.4.0-1124.134~18.04.1
                                   Available with Ubuntu Pro
   linux-image-5.4.0-1128-gcp      5.4.0-1128.137~18.04.1
                                   Available with Ubuntu Pro
   linux-image-5.4.0-1129-azure    5.4.0-1129.136~18.04.1
                                   Available with Ubuntu Pro
   linux-image-5.4.0-181-generic   5.4.0-181.201~18.04.1
                                   Available with Ubuntu Pro
   linux-image-5.4.0-181-lowlatency  5.4.0-181.201~18.04.1
                                   Available with Ubuntu Pro
   linux-image-aws                 5.4.0.1124.134~18.04.1
                                   Available with Ubuntu Pro
   linux-image-azure               5.4.0.1129.136~18.04.1
                                   Available with Ubuntu Pro
   linux-image-gcp                 5.4.0.1128.137~18.04.1
                                   Available with Ubuntu Pro
   linux-image-generic-hwe-18.04   5.4.0.181.201~18.04.1
                                   Available with Ubuntu Pro
   linux-image-ibm                 5.4.0.1071.76~18.04.1
                                   Available with Ubuntu Pro
   linux-image-lowlatency-hwe-18.04  5.4.0.181.201~18.04.1
                                   Available with Ubuntu Pro
   linux-image-oem                 5.4.0.181.201~18.04.1
                                   Available with Ubuntu Pro
   linux-image-oem-osp1            5.4.0.181.201~18.04.1
                                   Available with Ubuntu Pro
   linux-image-oracle              5.4.0.1123.132~18.04.1
                                   Available with Ubuntu Pro
   linux-image-raspi-hwe-18.04     5.4.0.1108.120~18.04.1
                                   Available with Ubuntu Pro
   linux-image-snapdragon-hwe-18.04  5.4.0.181.201~18.04.1
                                   Available with Ubuntu Pro
   linux-image-virtual-hwe-18.04   5.4.0.181.201~18.04.1
                                   Available with Ubuntu Pro

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-6767-1

CVE-2023-52435, CVE-2023-52486, CVE-2023-52583, CVE-2023-52587,

CVE-2023-52594, CVE-2023-52595, CVE-2023-52597, CVE-2023-52598,

CVE-2023-52599, CVE-2023-52601, CVE-2023-52602, CVE-2023-52604,

CVE-2023-52606, CVE-2023-52607, CVE-2023-52615, CVE-2023-52617,

CVE-2023-52619, CVE-2023-52622, CVE-2023-52623, CVE-2023-52637,

CVE-2024-23849, CVE-2024-26593, CVE-2024-26598, CVE-2024-26600,

CVE-2024-26602, CVE-2024-26606, CVE-2024-26615, CVE-2024-26625,

CVE-2024-26635, CVE-2024-26636, CVE-2024-26645, CVE-2024-26663,

CVE-2024-26664, CVE-2024-26671, CVE-2024-26673, CVE-2024-26675,

CVE-2024-26679, CVE-2024-26684, CVE-2024-26685, CVE-2024-26696,

CVE-2024-26697, CVE-2024-26702, CVE-2024-26704, CVE-2024-26720,

CVE-2024-26722, CVE-2024-26825, CVE-2024-26910, CVE-2024-26920

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6767-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu system crash critical level linux updates kernel issues

Package Information

https://launchpad.net/ubuntu/+source/linux/5.4.0-181.201
https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1124.134
https://launchpad.net/ubuntu/+source/linux-azure/5.4.0-1129.136
https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1128.137
https://launchpad.net/ubuntu/+source/linux-gkeop/5.4.0-1091.95
https://launchpad.net/ubuntu/+source/linux-ibm/5.4.0-1071.76
https://launchpad.net/ubuntu/+source/linux-iot/5.4.0-1036.37
https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1112.119
https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1123.132
https://launchpad.net/ubuntu/+source/linux-raspi/5.4.0-1108.120
https://launchpad.net/ubuntu/+source/linux-xilinx-zynqmp/5.4.0-1043.47

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