BSD Now 309: Get Your Telnet Fix

This week’s BSD Now talks about some recent security discussions with telnet and (unrelateD) OpenSSH history, and points to a recent discussion on DragonFly I haven’t even gotten to link yet, cause it’s ongoing.
(telnet is awful but i…

HAMMER2 now default

This slipped in just before the 5.6 release, and I thought I had already noted it: DragonFly now defaults to HAMMER2 for disks during install, instead of HAMMER1.

A ps tip

If you want to see all running threads on your system, grouped by process, with who ran it and how much memory it’s taking, it’s easy: ps -alxRH.
I mention this because it’s easier to remember ‘alxRH’ than it is to find al…

Lazy Reading for 2019/07/28

I get indirectly cranky, this week. Dungeon Generation in Diablo 1.  Roguelike!  (via) Pressing Forward.  “The grassroots mechanical keyboard scene”.  I did not know about the Hall Effect, or the X1 keyboard, both of which are interesting. sc-im, a terminal spreadsheet.  Like Visicalc all over again! Design tools are holding us back.  I like the …

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Several layers of radeon update

Francois Tigeot has updated the radeon driver in DragonFly to match what’s in Linux kernel 3.19.8.  No, wait, I took too long to post this cause there’s been so many things, so now it’s up to 4.4.180.

Am I in jail?

There’s now a read-only sysctl ‘jail.jailed’ that can be checked to see if the current environment is running within a jail; useful for scripts that should not run in that environment, etc.  I link to it mostly because it’s an odd sort of meta-signifier of reality, like being awake or in a waking dream, and …

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[FreeBSD-Announce] FreeBSD Security Advisory FreeBSD-SA-19:17.fd

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FreeBSD-SA-19:17.fd Security Advisory
The FreeBSD Project

Topic: File description reference count leak

Category: core
Module: unix
Announced: 2019-07-24
Credits: Mark Johnston
Affects: All supported versions of FreeBSD.
Corrected: 2019-07-22 19:25:05 UTC (stable/12, 12.0-STABLE)
2019-07-24 12:57:49 UTC (releng/12.0, 12.0-RELEASE-p8)
2019-07-22 19:27:23 UTC (stable/11, 11.2-STABLE)
2019-07-24 12:57:49 UTC (releng/11.2, 11.2-RELEASE-p12)
2019-07-24 12:57:49 UTC (releng/11.3, 11.3-RELEASE-p1)

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[FreeBSD-Announce] FreeBSD Errata Notice FreeBSD-EN-19:13.mds

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FreeBSD-EN-19:13.mds Errata Notice
The FreeBSD Project

Topic: Kernel panic from Intel CPU vulnerability mitigation

Category: core
Module: kernel
Announced: 2019-07-24
Credits: Schuendehuette, Matthias
All supported versions of FreeBSD.
Corrected: 2019-07-14 05:40:03 UTC (stable/12, 12.0-STABLE)
2019-07-24 12:50:46 UTC (releng/12.0, 12.0-RELEASE-p8)
2019-07-14 05:41:43 UTC (stable/11, 11.2-STABLE)
2019-07-24 12:50:46 UTC (releng/11.2, 11.2-RELEASE-p12)
2019-07-24 12:50:46 UTC (releng/11.3,

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[FreeBSD-Announce] FreeBSD Security Advisory FreeBSD-SA-19:16.bhyve

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FreeBSD-SA-19:16.bhyve Security Advisory
The FreeBSD Project

Topic: Bhyve out-of-bounds read in XHCI device

Category: core
Module: bhyve
Announced: 2019-07-24
Credits: Reno Robert
Affects: All supported versions of FreeBSD.
Corrected: 2019-07-23 17:48:37 UTC (stable/12, 12.0-STABLE)
2019-07-24 12:56:06 UTC (releng/12.0, 12.0-RELEASE-p8)
2019-07-23 17:48:37 UTC (stable/11, 11.2-STABLE)
2019-07-24 12:56:06 UTC (releng/11.2, 11.2-RELEASE-p12)
2019-07-24 12:56:06 UTC (releng/11.3,

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