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Ubuntu 22.04 LTS USN-6089-1 Moderate: linux-oem-6.0 Admin Access

ubuntu
Calendar Grey May 18, 2023
Dist Ubuntu Esm H88
Ubuntu 22.04 LTS patch necessary for linux-oem-6.0 flaw impacting system integrity and permission levels.
The system could be made to crash or run programs as an administrator.

Summary

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

Software Description:

- linux-oem-6.0: Linux kernel for OEM systems

Details:

It was discovered that the Intel i915 graphics driver in the Linux kernel

did not perform a GPU TLB flush in some situations. A local attacker could

use this to cause a denial of service or possibly execute arbitrary code.

Update Instructions

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

Ubuntu 22.04 LTS:
   linux-image-6.0.0-1016-oem      6.0.0-1016.16
   linux-image-oem-22.04b          6.0.0.1016.16

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-6089-1

CVE-2022-4139

May 18, 2023

Package Information

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