First published: Wed Jul 05 2023(Updated: )
Last updated 25 October 2024
Credit: security@ubuntu.com security@ubuntu.com security@ubuntu.com
Affected Software | Affected Version | How to fix |
---|---|---|
Linux Linux kernel | =5.9.0-rc1 | |
Fedoraproject Fedora | =37 | |
Fedoraproject Fedora | =38 | |
Debian Debian Linux | =11.0 | |
Linux kernel | ||
Linux Linux kernel | >=5.9<5.10.188 | |
Linux Linux kernel | >=5.11<5.15.121 | |
Linux Linux kernel | >=5.16<6.1.39 | |
Linux Linux kernel | >=6.2<6.4.4 | |
Canonical Ubuntu Linux | =14.04 | |
Canonical Ubuntu Linux | =16.04 | |
Canonical Ubuntu Linux | =18.04 | |
Canonical Ubuntu Linux | =20.04 | |
Canonical Ubuntu Linux | =22.04 | |
debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.112-1 6.11.5-1 6.11.7-1 |
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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