First published: Sat Jan 29 2022(Updated: )
kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are enabled, allows a use-after-free and privilege escalation because a ucounts object can outlive its namespace.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Linux Kernel | >=5.14<5.15.19 | |
Linux Kernel | >=5.16<5.16.5 | |
NetApp Baseboard Management Controller H410C | ||
NetApp Baseboard Management Controller H410C Firmware | ||
NetApp Baseboard Management Controller Firmware | ||
NetApp Baseboard Management Controller H300S | ||
NetApp Baseboard Management Controller Firmware | ||
NetApp Baseboard Management Controller H500S | ||
NetApp Baseboard Management Controller Firmware | ||
NetApp Baseboard Management Controller H700S | ||
NetApp Baseboard Management Controller Firmware | ||
NetApp Baseboard Management Controller H300E | ||
NetApp Baseboard Management Controller H500E Firmware | ||
NetApp Baseboard Management Controller H500E Firmware | ||
NetApp Baseboard Management Controller H700E Firmware | ||
NetApp Baseboard Management Controller H700E Firmware | ||
NetApp Baseboard Management Controller Firmware | ||
NetApp Baseboard Management Controller H410S | ||
Red Hat Fedora | =34 | |
Red Hat Fedora | =35 | |
All of | ||
NetApp H410C | ||
NetApp H410C Firmware | ||
All of | ||
NetApp H300S Firmware | ||
NetApp H300S Firmware | ||
All of | ||
NetApp H500e Firmware | ||
NetApp H500e Firmware | ||
All of | ||
NetApp H700S | ||
NetApp H700S | ||
All of | ||
NetApp H300E | ||
NetApp H300E Firmware | ||
All of | ||
NetApp H500S Firmware | ||
NetApp H500e Firmware | ||
All of | ||
NetApp H700E | ||
NetApp H700E | ||
All of | ||
NetApp H410S | ||
NetApp H410S Firmware | ||
debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.20-1 6.12.21-1 |
Disable unprivileged user namespaces: sysctl -w kernel.unprivileged_userns_clone=0
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