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Ubuntu 22.04 LTS: USN-6004-1 Critical: Intel IoT Kernel Issues

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Calendar Grey April 11, 2023
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Ubuntu Security Advisory USN-6005-1 pertains to various vulnerabilities in the linux-intel-iotg kernel as of April 12, 2023.
Several security issues were fixed in the Linux kernel.

Summary

Several security issues were fixed in the Linux kernel.

Software Description:

- linux-intel-iotg: Linux kernel for Intel IoT platforms

Details:

It was discovered that the KVM VMX implementation in the Linux kernel did

not properly handle indirect branch prediction isolation between L1 and L2

VMs. An attacker in a guest VM could use this to expose sensitive

information from the host OS or other guest VMs. (CVE-2022-2196)

It was discovered that a use-after-free vulnerability existed in the SGI

GRU driver in the Linux kernel. A local attacker could possibly use this to

cause a denial of service (system crash) or possibly execute arbitrary

code. (CVE-2022-3424)

Ziming Zhang discovered that the VMware Virtual GPU DRM driver in the Linux

kernel contained an out-of-bounds write vulnerability. A local attacker

could use this to cause a denial of service (system crash).

(CVE-2022-36280)

Hyunwoo Kim discovered that the DVB Core driver in the Linux kernel did not

...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service critical issue ubuntu linux-intel-iotg

Update Instructions

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

Ubuntu 22.04 LTS:
   linux-image-5.15.0-1027-intel-iotg  5.15.0-1027.32
   linux-image-intel-iotg          5.15.0.1027.26

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-6004-1

CVE-2022-2196, CVE-2022-3424, CVE-2022-36280, CVE-2022-41218,

CVE-2022-4382, CVE-2022-48423, CVE-2022-48424, CVE-2023-0045,

CVE-2023-0210, CVE-2023-0266, CVE-2023-23454, CVE-2023-23455,

CVE-2023-23559, CVE-2023-26606, CVE-2023-28328

Severity
critical
Lowest
Low
Medium
High
Critical

April 11, 2023

Topics%20covered

Topics Covered

security advisory denial of service critical issue ubuntu linux-intel-iotg

Package Information

https://launchpad.net/ubuntu/+source/linux-intel-iotg/5.15.0-1027.32

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