EGI SVG Advisories

Advisory-EGI-SVG-2024-05

HIGH risk Linux Kernel Vulnerabilities

Date: 2024-03-06
Updated: 2024-04-10

Red Hat has released a new kernel for RHEL8, fixing Multiple vulnerabilities. [R 1] Some of these also affect RHEL9 [R 2] and RHEL7

IDs AND CVSS SCORE

EGI SVG ID : EGI-SVG-2024-05

CVE ID/CVSS Score : CVE-2023-4623/7.8 Affecting RHEL7, RHEL8, and RHEL9

CVE ID/CVSS Score : CVE-2023-4921/7.8 Affecting RHEL7 and RHEL8

CVE ID/CVSS Score : CVE-2023-6817/7.8 Affecting RHEL8 and RHEL9

ACTIONS REQUIRED/RECOMMENDED

Sites are recommended to update relevant components as soon as possible, when patches for the versions of Linux they deploy are available according to the references below.

MORE INFORMATION

There are a large number of CVE’s patched in these RedHat releases, we have identified the 3 listed above as ‘HIGH’ risk according to our criteria. We have not investigated all the CVE’s in detail, and there is the possibility that others may also be ‘HIGH’ but of course sites will be protected against them if they patch.

STATUS OF THIS ADVISORY

TLP:CLEAR information - Unlimited distribution

https://advisories.egi.eu/Advisory-EGI-SVG-2024-05

https://advisories.egi.eu/Advisory-SVG-CVE-2023-4623

https://advisories.egi.eu/Advisory-SVG-CVE-2023-4921

https://advisories.egi.eu/Advisory-SVG-CVE-2023-6817

(For CVE-2023-6817 also see https://advisories.egi.eu/Advisory-EGI-SVG-2024-06 )

Minor updates may be made without re-distribution to the sites.

CONTACT AND OTHER INFORMATION ON SVG


Others may re-use this information provided they:-

1) Respect the provided TLP classification

2) Credit the EGI (https://www.egi.eu/) Software Vulnerability Group -----------------------------

Comments or questions should be sent to svg-rat at mailman.egi.eu

Vulnerabilities relevant for EGI can be reported at report-vulnerability at egi.eu

(see [R 99] for further details, and other information on SVG)

REFERENCES

CREDITS

EGI SVG was alerted to these vulnerabilites by Mischa Salle