Issue 106
Published March 30, 2022

FreeBSD 13.1 betas plus all the latest news and tutorials from the BSD world.

Releases

FreeBSD 13.1-BETA3 Available: The third BETA build for the FreeBSD 13.1 release cycle is now available. ISO images for the amd64, i386, arm64, powerpc64, powerpcspei, and riscv architectures are FreeBSD mirror sites.

BSDSec

OpenBSD Errata: March 22, 2022 (slaacd): Errata patches for slaacd have been released for OpenBSD 6.9 and 7.0. Binary updates for the amd64, i386 and arm64 platform are available via the syspatch utility.

FreeBSD Errata Notice FreeBSD-EN-22:13.zfs: Erratum FreeBSD-EN-22:11.zfs was addressed by a patch which modified a ZFS kernel function that determines whether the in-memory copy of a filesystem object is dirty with respect to its representation on stable storage. The modification contained a bug which could cause the function to return false negatives.

FreeBSD Errata Notice FreeBSD-EN-22:14.tzdata: Several changes to future and past timestamps have been recorded in the IANA Time Zone Database after previous FreeBSD releases were released. This affects many users in different parts of the world. Because of these changes, the data in the zoneinfo files need to be updated. If the local timezone on the running system is affected, tzsetup(8) needs to be run to update /etc/localtime.

As always, it's worth following BSDSec. RSS feed and Twitter account available.

News

The NetBSD Foundation is a mentoring organization at Google Summer of Code 2022: We are pleased to announce that The NetBSD Foundation is a mentoring organization at Google Summer of Code 2022. Would you like to contribute to NetBSD or pkgsrc during the summer? Please give a look to the project list: and join #NetBSD-code IRC channel on Libera.chat and mailing lists to propose possible further ideas! Please note that unlike past years if you are 18 years or older you can be a Google Summer of Code contributor (previously the program was opened only to university students).

Should I Upgrade to OpenZFS 2.1?: Beginning with version 13.0, FreeBSD supports the long-anticipated OpenZFS native encryption. If you’ve used FreeBSD’s GELI encryption in the past, you may wonder if switching to OpenZFS native encryption makes sense. Check out the differences between GELI encryption and OpenZFS native encryption, and the main benefits of native encryption, let’s take a look at how to create an encrypted database and reroot to an encrypted database.

BSD Now 447: Path to BSD : FreeBSD Foundation Proposals, UNIX: On the Path to BSD, Fujitsu ends its mainframe and Unix services, Install burpsuite on FreeBSD using Linuxulator, new OpenBSD Webzine is out, and more.

Heap Overflow in OpenBSD's slaacd via Router Advertisement : In this blog post we analyze a heap overflow vulnerability we discovered in the IPv6 stack of OpenBSD, more specifically in its slaacd daemon. This issue, whose root cause can be found in the mishandling of Router Advertisement messages containing a DNSSL option with a malformed domain label, was patched by OpenBSD on March 21, 2022. A proof-of-concept to reproduce the vulnerability is provided.

OpenBSD Webzine Issue #8: TL;DR: - OpenBSD on Apple M1 is more accessible - httpd supports static gzip compression - Many wifi performance improvements - Webzine new Questions and Answers section - Webzine is being translated into German and French

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