First published: Tue Jul 25 2023(Updated: )
** REJECT ** DO NOT USE THIS CVE RECORD. ConsultIDs: CVE-2023-4206, CVE-2023-4207, CVE-2023-4208. Reason: This record is a duplicate of CVE-2023-4206, CVE-2023-4207, CVE-2023-4208. Notes: All CVE users should reference CVE-2023-4206, CVE-2023-4207, CVE-2023-4208 instead of this record. All references and descriptions in this record have been removed to prevent accidental usage.
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
Affected Software | Affected Version | How to fix |
---|---|---|
redhat/kernel | <0:4.18.0-147.90.1.el8_1 | 0:4.18.0-147.90.1.el8_1 |
redhat/kernel | <0:4.18.0-193.116.1.el8_2 | 0:4.18.0-193.116.1.el8_2 |
redhat/kernel-rt | <0:4.18.0-193.116.1.rt13.167.el8_2 | 0:4.18.0-193.116.1.rt13.167.el8_2 |
redhat/kernel | <0:4.18.0-305.108.1.el8_4 | 0:4.18.0-305.108.1.el8_4 |
redhat/kernel | <0:4.18.0-372.75.1.el8_6 | 0:4.18.0-372.75.1.el8_6 |
redhat/kernel | <0:5.14.0-70.75.1.el9_0 | 0:5.14.0-70.75.1.el9_0 |
redhat/kernel-rt | <0:5.14.0-70.75.1.rt21.146.el9_0 | 0:5.14.0-70.75.1.rt21.146.el9_0 |
Linux Linux kernel | <6.5 | |
Linux Linux kernel | =6.5 | |
Linux Linux kernel | =6.5-rc1 | |
Linux Linux kernel | =6.5-rc2 | |
Linux Linux kernel | =6.5-rc3 | |
Linux Linux kernel | =6.5-rc4 | |
Fedoraproject Fedora | =37 | |
Fedoraproject Fedora | =38 | |
Redhat Enterprise Linux | =7.0 | |
Redhat Enterprise Linux | =8.0 | |
Redhat Enterprise Linux | =9.0 | |
redhat/Kernel | <6.5 | 6.5 |
IBM QRadar SIEM | <=7.5 - 7.5.0 UP8 IF01 |
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
If not needed, disable the ability for unprivileged users to create namespaces. To do this temporarily, do: sudo sysctl -w kernel.unprivileged_userns_clone=0 To disable across reboots, do: echo kernel.unprivileged_userns_clone=0 | \ sudo tee /etc/sysctl.d/99-disable-unpriv-userns.conf
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(Appears in the following advisories)
(Found alongside the following vulnerabilities)