Microsoft patch day issues Jan. 2022: bugs confirmed, but updates not pulled

Posted on 2022-01-14 by guenni

Windows[German]The January patch day 2022 (January 11, 2022) brought administrators of Windows Server systems into serious trouble: Hyper-V is bricked, DCs are force into boot loops, ReFS has been removed, IPSec VPN connections are broken, and so on. Microsoft has confirmed some of these issues and is probably also in the process of withdrawing the updates (it has been pulled on Windows Update on Jan. 13th, but are now offered again). Below I try to summarize the current state.

Continue reading →

Posted in issue, Security, Update, Windows | Tagged , , , , | 8 Comments

Ubuntu 21.04: Support ends January 20, 2022

Posted on 2022-01-14 by guenni

Small hint for people who are still using Ubuntu 21.04. This was released on April 22, 2021, as you can read here. According to this page, support expires in January 2022 – 9too4linux.com has it a bit more precise in this article: the support end date is January 20, 2022. And Ubuntu 21.10 is also only supported until July 2022. Only Ubuntu 22.04 is supported until April 2027.

Posted in Linux | Tagged | Leave a comment

Firefox 96.0 und 91.5.0 esr; Issues with web site access – but it's fixed now

Posted on 2022-01-13 by guenni

Mozilla[German]Mozilla developers have released version 96.0.0 with some new features and 95.5.0esr of the Firefox browser on January 11, 2022. However, with the new Firefox 96 there was problems accessing various websites. Here is the information on how to fix the access issues, caused by a (now fixed) telemetry http3 bug.

Continue reading →

Posted in browser, issue, Security, Update | Tagged , , | 1 Comment

Patchday: Microsoft Office Updates (January 11, 2022)

Posted on 2022-01-13 by guenni

Update[German]On January 11, 2022 (second Tuesday of the month, Microsoft Patchday), Microsoft released several security-related updates for still-supported Microsoft Office versions and other products. RCE vulnerabilities will be closed again. For Microsoft Access, the bug from December 2021 is fixed according to reader feedback. Here is an overview of the available updates.

Continue reading →

Posted in Office, Security, Update | Tagged , , , | Leave a comment

Thunderbird 91.5.0

Posted on 2022-01-13 by guenni

[German]Small addendum: The developers of the Thunderbird email client have released Thunderbird 91.5.0 on January 11, 2022. This is a maintenance update for the 91 development branch, which makes numerous fixes. Here is a brief overview.

Continue reading →

Posted in Software, Update | Tagged , | Leave a comment

Why ISL Online: Critical factors when choosing a remote desktop solution

[Sponsored Post]In the rapidly evolving IT world, choosing the right remote desktop software is critical for organizations that value security, ease of use and reliability. One provider of secure remote access that has been on the market since 2001 is ISL Online, which presents some considerations for choosing such software below. More ...

Windows Server 2012/R2: January 2022 Update KB5009586 bricks Hyper-V Host

Posted on 2022-01-12 by guenni

Windows[German]Microsoft Hyper-V users running Windows Server 2012/R2 should be cautious about installing update security update KB5009586 or KB5009624 for Windows Server 2012/R2. The security updates released on January 11, 2022 have several unpleasant collateral damages at once. After installing the security updates, the Hyper-V host (Windows Server 2012, Windows Server 2012 R2 or Hyper-V Server 2012) can no longer be started. Here's an overview of what's currently known about this in reader comments from the blog and elsewhere.

Continue reading →

Posted in Security, Update, Virtualization, Windows | Tagged , , , | 31 Comments

Windows VPN connections (L2TP over IPSEC) broken after January 2022 update

Posted on 2022-01-12 by guenni

Windows[German]The security updates for Windows released on January 11, 2022 have a very unpleasant collateral damage. All users who rely on VPN connections with L2TP over IPSEC will no longer work after installing the updates in question. Here is an overview of what is currently known about this from reader comments from the blog and elsewhere.

Continue reading →

Posted in issue, Security, Update, Windows | Tagged , , , , | 16 Comments

Windows Server: January 2022 security updates are causing DC boot loop

Posted on 2022-01-12 by guenni

Windows[German]I'll pull it out separately as a blog post. Administrators of Windows Domain Controllers should be careful about installing the January 2022 security updates. I have now received numerous reports that Windows servers acting as domain controllers will not boot afterwards. Lsass.exe (or wininit.exe) triggers a blue screen with the stop error 0xc0000005. It can hit all Windows Server versions that act as domain controllers, according to my estimation.

Continue reading →

Posted in issue, Software, Update, Windows | Tagged , , , , | 59 Comments

Patchday: Updates for Windows 7/Server 2008 R2 (January 11, 2022)

Posted on 2022-01-12 by guenni

Update[German]On January 11, 2 Microsoft has released various updates for Windows 7 SP1 systems that are still in ESU support. Also with ESU Bypass v11 the whole thing still works. However, these security updates are also available for Windows Server 2008 R2 with ESU support. Here is some information about the Monthly Rollup and Security only Updates for this operating system.

Continue reading →

Posted in Security, Update, Windows | Tagged , , , | Leave a comment

Patchday: Windows 11 Updates (January 11, 2022)

Posted on 2022-01-12 by guenni

Windows[German]On January 11, 2022 (second Tuesday of the month, Patchday at Microsoft), Microsoft has also released a cumulative update for Windows 11, which was released on October 5, 2021. The update is supposed to fix various issues. Here are some details about this update.

Continue reading →

Posted in Security, Update, Windows | Tagged , , , | Leave a comment