Topic	Replies	Views	Activity
UCS exposure to Dirty Frag (CVE-2026-43284, CVE-2026-43500) Supported kernel , security , linux	1	77	May 8, 2026
UCS exposure to CVE-2026-31431 (copy.fail) Supported kernel , security , linux	1	176	May 8, 2026
UCS not affected by critical AppArmor vulnerability (CVE-2026-23268, CVE-2026-23269) Supported kernel , sudo , security	2	47	March 19, 2026
Problem: /boot Partition Runs Out of Space Due to Old Kernels Community kernel , boot , problem , ucs-5-2	2	69	January 7, 2026
Status of Meltdown, Spectre and Foreshadow/L1TF and MDS security issues in UCS Supported ucs-4-2 , kernel , security , ucs-4-3 , meltdown , spectre , foreshadow , l1tf , ucs-4-4 , mds	0	5783	January 9, 2018
How-To: Allowing Ports on UCS 5 Systems using iptables-nft and disabling iptables-legacy Community kernel , networking , firewall , ports , howto , ucs-5	2	1130	January 9, 2024
UCS 4 not booting with kernel 4.19.0-21 UCS - Univention Corporate Server kernel , systemd , lvm , boot , ucs-4-4-x	15	1384	March 11, 2023
Capture Linux kernel crash information Supported ucs-4 , kernel , console , crash , linux , oops , installation	0	2079	April 12, 2017
Q&A: Does UCS Support UEFI Secure Boot and Kernel Lockdown? Community ucs-4 , uefi , kernel , boot , q-a	0	709	December 18, 2019
Univention UCS as KVM guest - Discard operation not supported UCS - Univention Corporate Server kernel	4	821	May 25, 2021
Soft Lock up Issue with kernel Driver Linux Clients kernel	0	728	March 24, 2021
INFO: task $NAME:$PID blocked for more than 120 seconds Supported ucs-4 , kernel , linux , oops	1	5777	May 5, 2020
Problem: Dovecot Warns about "Inotify instance limit for user 120 (UID dovemail) exceeded" Community ucs-4 , kernel , problem , cyrus2dovecot	1	2357	November 12, 2019
Question for DEV@Univention: Availability of Kernel 4.11.x? UCS - Univention Corporate Server kernel	5	853	November 30, 2018
Update of UCS 3.2 UEFI systems to UCS 4.0 Supported ucs-4 , grub , uefi , kernel , grub2 , boot , signed	0	1016	April 6, 2016
Can't boot into 4.9 after upgrade from 4.1 to 4.2 UCS - Univention Corporate Server grub , kernel	1	1060	June 20, 2017
Can't boot into 4.9 after vm migration UCS - Univention Corporate Server grub , kernel , bootsplash	2	1063	June 13, 2017
Upgrade UCS-4.1-4 auf 4.2 als DOMU (Xen) schlägt fehl - Invalid Kernel UCS - Univention Corporate Server german , ucs-4-2 , xen , kernel	6	1186	April 28, 2017

kernel