Ubuntu 5545-1: Linux kernel (OEM) vulnerability | LinuxSecurity.com
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Ubuntu Security Notice USN-5545-1
August 02, 2022

linux-oem-5.14, linux-oem-5.17 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

The system could be made to run programs as an administrator.

Software Description:
- linux-oem-5.17: Linux kernel for OEM systems
- linux-oem-5.14: Linux kernel for OEM systems

Details:

Arthur Mongodin discovered that the netfilter subsystem in the Linux kernel
did not properly perform data validation. A local attacker could use this
to escalate privileges in certain situations.

Update instructions:

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

Ubuntu 22.04 LTS:
   linux-image-5.17.0-1014-oem     5.17.0-1014.15
   linux-image-oem-22.04           5.17.0.1014.13
   linux-image-oem-22.04a          5.17.0.1014.13

Ubuntu 20.04 LTS:
   linux-image-5.14.0-1046-oem     5.14.0-1046.53
   linux-image-oem-20.04           5.14.0.1046.42
   linux-image-oem-20.04b          5.14.0.1046.42
   linux-image-oem-20.04c          5.14.0.1046.42
   linux-image-oem-20.04d          5.14.0.1046.42

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-5545-1
   CVE-2022-34918

Package Information:
   https://launchpad.net/ubuntu/+source/linux-oem-5.17/5.17.0-1014.15
   https://launchpad.net/ubuntu/+source/linux-oem-5.14/5.14.0-1046.53

Ubuntu 5545-1: Linux kernel (OEM) vulnerability

August 2, 2022

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: The system could be made to run programs as an administrator. Software Description: - linux-oem-5.17: Linux kernel for OEM systems - linux-oem-5.14: Linux kernel for OEM systems Details: Arthur Mongodin discovered that the netfilter subsystem in the Linux kernel did not properly perform data validation. A local attacker could use this to escalate privileges in certain situations.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS: linux-image-5.17.0-1014-oem 5.17.0-1014.15 linux-image-oem-22.04 5.17.0.1014.13 linux-image-oem-22.04a 5.17.0.1014.13 Ubuntu 20.04 LTS: linux-image-5.14.0-1046-oem 5.14.0-1046.53 linux-image-oem-20.04 5.14.0.1046.42 linux-image-oem-20.04b 5.14.0.1046.42 linux-image-oem-20.04c 5.14.0.1046.42 linux-image-oem-20.04d 5.14.0.1046.42 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-5545-1

CVE-2022-34918

Severity
Ubuntu Security Notice USN-5545-1

Package Information

https://launchpad.net/ubuntu/+source/linux-oem-5.17/5.17.0-1014.15 https://launchpad.net/ubuntu/+source/linux-oem-5.14/5.14.0-1046.53

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