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Ubuntu 22.04 and 20.04 Security Advisory USN-7076-1: Kernel Update

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Calendar Grey October 17, 2024
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Critical security updates are now available for Ubuntu 22.04 and 20.04, addressing vulnerabilities in the Linux kernel and enhancing Azure driver protections.
Several security issues were fixed in the Linux kernel.

Summary

Several security issues were fixed in the Linux kernel.

Software Description:

- linux-azure: Linux kernel for Microsoft Azure Cloud systems

- linux-azure-5.15: Linux kernel for Microsoft Azure cloud systems

Details:

Several security issues were discovered in the Linux kernel.

An attacker could possibly use these to compromise the system.

This update corrects flaws in the following subsystems:

- Microsoft Azure Network Adapter (MANA) driver;

- Watchdog drivers;

- Netfilter;

- Network traffic control;

(CVE-2024-27397, CVE-2024-45016, CVE-2024-45001, CVE-2024-38630)

Topics%20covered

Topics Covered

security advisory kernel patch network adapter linux-azure ubuntu 20.04 ubuntu 22.04

Update Instructions

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

Ubuntu 22.04 LTS
   linux-image-5.15.0-1074-azure   5.15.0-1074.83
   linux-image-azure-lts-22.04     5.15.0.1074.72

Ubuntu 20.04 LTS
   linux-image-5.15.0-1074-azure   5.15.0-1074.83~20.04.1
   linux-image-azure               5.15.0.1074.83~20.04.1
   linux-image-azure-cvm           5.15.0.1074.83~20.04.1

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-7076-1

CVE-2024-27397, CVE-2024-38630, CVE-2024-45001, CVE-2024-45016

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7076-1

Topics%20covered

Topics Covered

security advisory kernel patch network adapter linux-azure ubuntu 20.04 ubuntu 22.04

Package Information

https://launchpad.net/ubuntu/+source/linux-azure/5.15.0-1074.83
https://launchpad.net/ubuntu/+source/linux-azure-5.15/5.15.0-1074.83~20.04.1

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