Daily Writeups
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Daily Writeups
⤷ Title: Linus Torvalds Slams AI Bug Hunters for Clogging Linux Security Pipelines
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𐀪 Author: ddos
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ⴵ Time: Tue, 19 May 2026 07:09:03 +0000
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⌗ Tags: #Linux #AI Bug Reports #Drive_By Bug Hunting #Duplicate Vulnerabilities #Greg Kroah_Hartman #Linus Torvalds #Linux 7.1 Release Candidate #Linux Security Mailing List #Open Source Documentation #Patch Management #Vulnerability Triage
Penetration Testing Tools
Linus Torvalds Slams AI Bug Hunters for Clogging Linux Security Pipelines
Linus Torvalds has once again given voice to a sentiment that had been quietly permeating the developer community
14 views
Daily Writeups
⤷ Title: Unmasked Origin: Infamous “OrBit” Linux Rootkit Exposed as a Fork of Open-Source Medusa
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𐀪 Author: Ddos
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ⴵ Time: Tue, 19 May 2026 09:22:30 +0000
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⌗ Tags: #Malware #BLOCKADE SPIDER #infosec #Intezer #LD_PRELOAD #Linux Security #Medusa Malware #OrBit Rootkit #PAM Hooking #Pluggable Authentication Modules #UNC3886 #userland rootkit
Daily CyberSecurity
Unmasked Origin: Infamous "OrBit" Linux Rootkit Exposed as a Fork of Open-Source Medusa
New research by Intezer reveals the OrBit Linux rootkit is actually a fork of the open-source Medusa kit, actively weaponized across multiple APTs.
11 views
Daily Writeups
⤷ Title: The SSH Login Was Successful. That Was the Problem.
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𐀪 Author: Faruk Ahmed
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ⴵ Time: Wed, 20 May 2026 11:31:00 GMT
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⌗ Tags: #linux_security #ssh #incident_response #cybersecurity #infosec
Medium
The SSH Login Was Successful. That Was the Problem.
Most intrusion alerts start with failures.
8 views
Daily Writeups
⤷ Title: Anyone Can Bypass Your Linux Password — If You Haven’t Secured Your Bootloader
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𐀪 Author: Haseeb Ali
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ⴵ Time: Wed, 20 May 2026 15:01:02 GMT
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⌗ Tags: #hacking #ethical_hacking #cybersecurity #linux #linux_security
Medium
Anyone Can Bypass Your Linux Password — If You Haven’t Secured Your Bootloader
Learn how attackers exploit an unsecured GRUB bootloader to bypass Linux login passwords — and how to stop them with PBKDF2 password…
17 views
Daily Writeups
⤷ Title: The Linux Server Was “Fine.” I Still Took It Offline.
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𐀪 Author: Faruk Ahmed
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ⴵ Time: Fri, 22 May 2026 11:31:00 GMT
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⌗ Tags: #linux_admin #infosec #linux_security #incident_response #cybersecurity
Medium
The Linux Server Was “Fine.” I Still Took It Offline.
Every dashboard was green.
9 views
Daily Writeups
⤷ Title: Why Green Dashboards Don’t Make Me Feel Safe Anymore
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𐀪 Author: Faruk Ahmed
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ⴵ Time: Sat, 23 May 2026 13:01:01 GMT
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⌗ Tags: #cybersecurity #linux_admin #incident_response #linux_security #infosec
Medium
Why Green Dashboards Don’t Make Me Feel Safe Anymore
There was a time when green dashboards made me feel comfortable.
11 views
Daily Writeups
⤷ Title: NVIDIA Releases Critical Security Patches for AI Frameworks
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𐀪 Author: Ddos
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ⴵ Time: Wed, 27 May 2026 08:09:28 +0000
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⌗ Tags: #Vulnerability Report #CVE_2025_33255 #deserialization flaw #Isaac Launchable #Linux Security #nvidia #Security Patches #TensorRT_LLM
Daily CyberSecurity
NVIDIA Releases Critical Security Patches for AI Frameworks
NVIDIA released updates fixing severe NVIDIA TensorRT-LLM vulnerabilities and Isaac Launchable flaws. Patch your active systems today.
21 views
Daily Writeups
⤷ Title: New Critical Flaw Discovered in Atril Document Viewer
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𐀪 Author: Ddos
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ⴵ Time: Thu, 28 May 2026 00:21:17 +0000
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⌗ Tags: #Vulnerability Report #Atril Document Viewer #CVE_2026_46529 #Linux Security Flaw #MATE Desktop Bug #Remote Code Execution
Daily CyberSecurity
New Critical Flaw Discovered in Atril Document Viewer
Security researchers recently discovered a dangerous security flaw in a popular open-source application. Specifically, developers recently uncovered a severe Atril single-click RCE vulnerability t…
20 views
Daily Writeups
⤷ Title: Severe Plesk Privilege Escalation Flaw Patched in Linux Versions
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𐀪 Author: Ddos
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ⴵ Time: Mon, 01 Jun 2026 04:49:52 +0000
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⌗ Tags: #Vulnerability Report #Linux Security #Plesk #privilege escalation #Server Security #Xpath injection
Daily CyberSecurity
Severe Plesk Privilege Escalation Flaw Patched in Linux Versions
Secure your servers against a major Plesk privilege escalation flaw. Learn how the latest CVE-2026-44962 patch protects Linux infrastructure.
12 views
Daily Writeups
⤷ Title: SSHFS Command Execution Exploit Code Released Publicly
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𐀪 Author: Do Son
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ⴵ Time: Fri, 05 Jun 2026 01:00:05 +0000
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⌗ Tags: #Vulnerability Report #Argument Injection #CVE_2026_47187 #CVE_2026_48711 #Linux Security #Local Code Execution #SSHFS #Symlink Escape
Daily CyberSecurity
SSHFS Command Execution Exploit Code Released Publicly
A serious sshfs command execution exploit threat is unveiled. Protect your Linux clients now that public exploit code released online.
5 views
Daily Writeups
⤷ Title: The Untold Story Behind Kali Linux
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𐀪 Author: Techrefreshing
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ⴵ Time: Fri, 19 Jun 2026 11:38:50 GMT
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⌗ Tags: #kali_linux #penetration_testing #linux_security #cybersecurity #ethical_hacking
Medium
The Untold Story Behind Kali Linux
There’s a moment every cybersecurity student remembers: the first time they boot into Kali Linux. The terminal opens, the dragon logo…
22 views
Daily Writeups
⤷ Title: RootMe Walkthrough: Linux Privilege Escalation for Beginners
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𐀪 Author: Jagadish Ray
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ⴵ Time: Sun, 28 Jun 2026 04:20:30 GMT
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⌗ Tags: #capture_the_flag #ethical_hacking #cybersecurity #privilege_escalation #linux_security
45 views
Daily Writeups
⤷ Title: Public PoC Discloses CVE-2026-31694, a Linux Kernel FUSE Local Privilege Escalation
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𐀪 Author: Do Son
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ⴵ Time: Fri, 10 Jul 2026 08:00:22 +0000
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⌗ Tags: #Vulnerability Report #CVE_2026_31694 #FUSE #Linux Kernel #Linux Security #Local Privilege Escalation #page cache overflow #proof_of_concept
Daily CyberSecurity
Public PoC Discloses CVE-2026-31694, a Linux Kernel FUSE Local Privilege Escalation
TL;DR Researchers have published full details and working exploit code for CVE-2026-31694. This Linux kernel FUSE bug lets a local user overflow the page cache and seize root. It reaches recent ke…
12 views
Daily Writeups
⤷ Title: GNU Guix Vulnerabilities Expose guix substitute and guix pull
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𐀪 Author: Do Son
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ⴵ Time: Fri, 10 Jul 2026 06:16:51 +0000
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⌗ Tags: #Vulnerability Report #GNU Guix #guix pull #guix substitute #guix_daemon #Linux Security #privilege escalation
Daily CyberSecurity
GNU Guix Vulnerabilities Expose guix substitute and guix pull
TL;DR The GNU Guix project disclosed four GNU Guix vulnerabilities in early July 2026. Three affect the guix substitute helper, and one affects guix pull and guix time-machine. Together, they allo…
12 views
Daily Writeups
⤷ Title: CVE-2026-56000: Use-After-Free Flaw Hits X.Org Server and Xwayland
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𐀪 Author: Do Son
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ⴵ Time: Tue, 14 Jul 2026 14:03:45 +0000
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⌗ Tags: #Vulnerability Report #CVE_2026_55999 #CVE_2026_56000 #Heap Buffer Overflow #Linux Security #use after free #X.Org Server #XWayland
Daily CyberSecurity
CVE-2026-56000: Use-After-Free Flaw Hits X.Org Server and Xwayland
TL;DR X.Org shipped fixes for two memory-safety flaws in the X.Org Server and Xwayland. The more severe one, CVE-2026-56000, is a use-after-free rated CVSS 9.0. The second, CVE-2026-55999, is a he…
10 views
Daily Writeups
⤷ Title: Kioptrix Level 1 Walkthrough: From Enumeration to Root Access.
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𐀪 Author: Varshith Reddy
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ⴵ Time: Sat, 18 Jul 2026 19:24:43 GMT
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⌗ Tags: #vulnhub_walkthrough #offensive_security #privilege_escalation #linux_security #ethical_hacking
Medium
Kioptrix Level 1 Walkthrough: From Enumeration to Root Access.
A hands-on walkthrough covering reconnaissance, service enumeration, vulnerability analysis, and privilege escalation in one of VulnHub’s…
34 views
Daily Writeups
⤷ Title: Exim Directory Traversal Flaw Enables Privilege Escalation, Fixed in 4.99.5
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𐀪 Author: Do Son
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ⴵ Time: Wed, 22 Jul 2026 17:10:32 +0000
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⌗ Tags: #Vulnerability Report #Directory Traversal #Exim #Exim 4.99.5 #Linux Security #Mail Transfer Agent #privilege escalation
Daily CyberSecurity
Exim Directory Traversal Flaw Enables Privilege Escalation, Fixed in 4.99.5
TL;DR The Exim team published advisory EXIM-Security-2026-06-22.1 on July 22, 2026. It describes an Exim vulnerability that lets a local attacker read files outside the mail spool. The bug can lea…
12 views
Daily Writeups
⤷ Title: Fedora 46 to Enable Shadow Stack by Default on x86-64 Systems
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𐀪 Author: Do Son
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ⴵ Time: Mon, 03 Aug 2026 02:20:41 +0000
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⌗ Tags: #Linux #Fedora 46 #Intel CET #Linux Security #ROP Protection #Shadow Stack
Daily CyberSecurity
Fedora 46 to Enable Shadow Stack by Default on x86-64 Systems
The Fedora Linux project plans to enable shadow stack protection by default in its upcoming version 46. The change targets 64-bit x86 systems and aims to strengthen their security posture. This fe…
13 views
Daily Writeups
⤷ Title: NVIDIA Dynamo Code Execution Flaw CVE-2026-24254 CVSS 9.8
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𐀪 Author: Do Son
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ⴵ Time: Wed, 05 Aug 2026 09:29:37 +0000
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⌗ Tags: #Vulnerability Report #Code Execution #CVE_2026_24254 #CVE_2026_47619 #Linux Security #NVIDIA Dynamo Flaw
Daily CyberSecurity
NVIDIA Dynamo Code Execution Flaw CVE-2026-24254 CVSS 9.8
TL;DR NVIDIA recently published an urgent software update for NVIDIA Dynamo for Linux. This update patches several security issues, including a critical NVIDIA Dynamo flaw. The most severe vulnera…
15 views
Daily Writeups
⤷ Title: Linux suTrap Local Privilege Escalation Flaw PoC Exploit Disclosed
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𐀪 Author: Do Son
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ⴵ Time: Wed, 05 Aug 2026 13:02:25 +0000
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⌗ Tags: #Vulnerability Report #Linux Security #privilege escalation #suTrap #Vulnerability
Daily CyberSecurity
Linux suTrap Local Privilege Escalation Flaw PoC Exploit Disclosed
TL;DR Security researchers have detailed a critical Linux suTrap local privilege escalation flaw. This interactive su TIOCSTI bug allows an unprivileged user to gain root access during an active s…
13 views