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@drrjv@vmst.io · 36m ago
Yikes, forget about Linux security Copy Fail: 732 Bytes to Root on Every Major #Linux Distribution “A single 732-byte #Python script can edit a setuid binary and obtain root on essentially all Linux distributions shipped since 2017. The kernel never marks the corrupted page dirty for writeback, so the file on disk remains unchanged and ordinary on-disk checksum comparisons miss the modification.” https://bit.ly/4w1TWu3 #ubuntu
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@grono@mastodon.com.pl · 52m ago
Docker Engine is safe against CVE-2026-31431 now. Patch ASAP: https://github.com/moby/moby/releases/tag/docker-v29.4.2 #docker #containers #linux #copyfail
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@securityaffairs@infosec.exchange · 14h ago
#Copy #Fail: New #Linux bug enables #Root via page‑cache corruption https://securityaffairs.com/191519/hacking/copy-fail-new-linux-bug-enables-root-via-page-cache-corruption.html #securityaffairs #hacking
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@Sempf@infosec.exchange · 5h ago
I don't know what you spent your day doing, but I personally copy failed all day. https://discourse.ifin.network/t/copy-fail-732-bytes-to-root-on-every-major-linux-distributions/342/27 #cve #linux
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@hbrpgm@adalta.social · 8h ago

📺 https://peer.adalta.social/w/vFM1FYh5Qzs5nNo4YY5EHT 🔗 🇩🇪🇺🇸🇫🇷 🔗 ℹ️

Seamless Transition from IPv4 to the Future of Connectivity

#linux #docker #proxmox #ipv6 #nginx

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@hbrpgm@adalta.social · 8h ago

📺 https://peer.adalta.social/w/5tbRnzsVXWUTPWRadTNbRn 🔗 🇩🇪🇺🇸🇫🇷 🔗 ℹ️

Die Notwendigkeit einer modernen Infrastruktur.

#linux #docker #proxmox #ipv6 #nginx

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@greg@social.intothecloud.net · 9h ago
So many reboots because of copy.fail will be happening tonight and through the weekend. Good luck to all my fellow sysadmins, may your reboots be quick. #sysadmin #linux
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@greg@social.intothecloud.net · 9h ago
#debian has released a new Debian 13 (Trixie) kernel to fix #cve_2026_31431. If you aren't on Trixie yet, maybe a good time to upgrade? #sysadmin #homelab #linux
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@fox@social.hostnetwork.xyz · 10h ago
I now have my own apt repo that isnt a bunch of jank! You can add it by installing https://apt.hostnetwork.xyz/fjox-archive-keyring.deb #apt #deb #linux
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@veronica@mastodon.online · 12h ago
Copy Fail (CVE-2026-31431) has just been patched on Debian 13, with kernel version 6.12.85-1 from trixie (security). https://security-tracker.debian.org/tracker/CVE-2026-31431 #CopyFail #Debian #Linux #InfoSec #CVE
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@matthew@social.retroedge.tech · 13h ago
Question on the #CopyFail Linux vulnerability: If "lsmod | grep algif_aead" returns nothing, is the vulnerability not exploitable? Most of my Linux machines are running older, non-patched kernels, but it doesn't seem like the affected kernel module is active... so does that mean a system that returns nothing for "lsmod | grep algif_aead" is not at risk for this exploit? #Linux
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@cark@social.tchncs.de · 14h ago

RE: @cark@social.tchncs.de

#TIL You can copy or rename files without retyping the path:

❯ cp /your/long/path/config.toml{,.bak}

This expands to:

cp /your/long/path/config.toml /your/long/path/config.bak

Works also with echo (nice for testing).

Thanks to @irom@social.tchncs.de for recently pointing me in this direction. 👍️

#bash #linux #cli

Quoting
CarK :python: @cark@social.tchncs.de

In bash you can create multiple (nested) directories with a single compact line:

❯ mkdir -p a/{b,c/{x,y},d/{e,f}}

❯ tree
.
└── a
├── b
├── c
│    ├── x
│   └── y
└── d
├── e
└── f

Open quoted post
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@Verfassungklage@troet.cafe · 14h ago
#Deutschland folgt #Frankreich — und plötzlich wirkt das einst undenkbare Szenario real: #Europas Behörden verabschieden sich Schritt für Schritt von Windows und setzen auf #Linux sowie #Open_Source_Software. In diesem Video analysieren wir, warum deutsche Behörden wie #Schleswig_Holstein tausende #Verwaltungsrechner auf #Linux und #LibreOffice umstellen, weshalb Microsofts Einfluss in Europa zunehmend unter Druck gerät... #DerHardwareReport @DerHardwareReportDE https://m.youtube.com/watch?v=uKAiHpFpYpQ
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In reply to
@c_merriweather@social.linux.pizza · 14h ago
@j_bertolotti@mathstodon.xyz I don't have any Warhammer minis, but I have a 40+ years collection of Traveller ttrpg game material. And have been using Linux for over 25 years. Mastodon has people who know about #Linux and #Traveller. I feel at home here. Welcome.
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@nen@mementomori.social · 16h ago
Copy Fail -haavoittuvuudelta suojautuminen ymmärrykseni mukaan, jos Linux-ytimeen ei ole vielä tarjolla päivitystä: Tarkista ettei haavoittuvuuden sisältävä moduuli ole käytössä komennolla: lsmod | grep algif_aead Luo tiedosto /etc/modprobe.d/algif_aead-blacklist.conf, ja kirjoita sinne: blacklist algif_aead install algif_aead /bin/false Lopuksi päivitä initramfs, jotta moduulin lataamisen esto toimii myös varhaisessa käynnistyksessä: sudo update-initramfs -u Huomauttakaa jos on jotain lisättävää tai korjattavaa. #Linux #LinuxFI
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@poleguy@mastodon.social · 17h ago
https://copy.fail 2026 would be a good year to make sure your backups are offline and your restore process is minimally painful! #linux #backup
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@newsgroup@social.vir.group · 16h ago
Real-time Linux merging upstream isn't just a technical milestone-it's a quiet admission that the kernel needed decades of catch-up to match purpose-built RTOSes, and the real test is adoption, not patches. #linux #realtime #embedded
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@9to5linux@floss.social · 21h ago
#Linux 7.0.3, 6.18.26, 6.12.85, 6.6.137, 6.1.170, 5.15.204, and 5.10.254 kernels are now available for download at https://www.kernel.org #LinuxKernel #OpenSource
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@serigala_tropis@lgbtqia.space · 19h ago
A screenshot of my daily drive desktop. as screenshotted on Apr 30 2026. elementary OS 8.1 Linux 6.17.0-22-generic #linux #elementaryos #foss #tech #desktop
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@fdillanes@mastodon.uy · 19h ago
ché, cómo están haciendo con esto: https://copy.fail/#copy-fail cve-2026-31431 #ciberseguridad #CVE #linux
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