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Ubuntu 22.04 LTS USN-6706-1 Critical: Linux Kernel Crash Threat

ubuntu
Calendar Grey March 20, 2024
Dist Ubuntu Esm H88
Ubuntu Security Patch USN-6707-2 addresses a critical stability issue linked to linux-oem-6.2 vulnerability impacting Ubuntu 20.04 LTS.
The system could be made to crash under certain conditions.

Summary

The system could be made to crash under certain conditions.

Software Description:

- linux-oem-6.1: Linux kernel for OEM systems

Details:

It was discovered that the Microchip USB Ethernet driver in the Linux

kernel contained a race condition during device removal, leading to a use-

after-free vulnerability. A physically proximate attacker could use this to

cause a denial of service (system crash).

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu linux kernel crash risk oem systems

Update Instructions

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

Ubuntu 22.04 LTS:
   linux-image-6.1.0-1036-oem      6.1.0-1036.36
   linux-image-oem-22.04a          6.1.0.1036.37
   linux-image-oem-22.04b          6.1.0.1036.37
   linux-image-oem-22.04c          6.1.0.1036.37

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-6706-1

CVE-2023-6039

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6706-1

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu linux kernel crash risk oem systems

Package Information

https://launchpad.net/ubuntu/+source/linux-oem-6.1/6.1.0-1036.36

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