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“Power tends to corrupt, and absolute power corrupts absolutely.”

Copy Fail:732字节即可在所有主流Linux发行版上获得Root权限

近期 Xint 披露了一个影响几乎所有主流 Linux 发行版的严重内核漏洞,其编号为 CVE-2026-31431,代号 “Copy Fail”。 漏洞概述 Copy Fail 是 Linux 内核 "authencesn" 加密模块中的一个逻辑缺陷。它允许一个无特权的本地用户,通过一个仅732字节的 Python 脚本,向系统中任何可读文件的页面缓存中写入4个受控的字节。攻击者可以利用此漏洞篡改 "setuid" 程序(如 "/usr/bin/su"),从而轻松获得系统的 root(最高)权限。 关键特性 与历史上著名的“脏牛”(Dirty Cow)等漏洞相比,此漏洞有几个突出特点:...

mdnsNSP.dll - This module is blocked from loading into the Local Security Authority

Short summary on this one as problem still exists: Since Local Security Authority (LSA) protection is on per default starting with Windows 11 24H2, this prompt will appear. Bonjour might be installed through iTunes or other third-party software (like Printix that simulates AirPrint). Only fix so far...

Fedora 43 Issue: Installer crashes when btrfs subvolume gets reformatted while having nested subvolumes

Issue In Fedora 43, if you run the installer from the desktop Live install media (thus using the “webUI” installer version), it crashes under certain conditions with error: org.fedoraproject.Anaconda.Error: 'NoneType' object has no attribute 'path' This error occurs towards the en...

Proxmox QXL failed to allocate

qxl 0000:00:01.0: object_init failed for (4096, 0x00000001) [TTM] Buffer eviction failed [drm:qxl_gem_object_create [qxl]] *ERROR* Failed to allocate GEM object (16384, 1, 4096, -12) Process Xorg dumped core Failed to start xfce4-notifyd.service 这些错误表明:QXL 虚拟显卡(Proxmox 默认虚拟显卡)无法分配图形内存(GEM 对象),返回码-...

Recently I've noticed that mDNS lookups don't work in Flatpak apps like browsers. This is a big issue for anyone who uses a Flatpak web browser and tries to connect to something on their local network, but just gets a "The connection has timed out" error for mysterious reasons.

Then I found a GitHub issue but it's nine years old and no progress visible.


Flatpak issue: No mDNS hostname lookup support: https://github.com/flatpak/flatpak/issues/348

A Macintosh stand for PeekDo monitor

What's this?

The Night-City version of CaveOps inspired by Cyberpunk 2077. Not finished yet.

Pinned Message

The Founder and CEO of Infeca Technology.

Developer, Designer, Blogger.

Big fan of Apple, Love of colour.

Feel free to contact me.

反曲点科技创始人和首席执行官。

开发、设计与写作皆为所长。

热爱苹果、钟情色彩。

随时恭候 垂询

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