Linux

Ubuntu 22.04 — grub2-unsigned — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — grub2-unsigned — multiple vulnerabilities (13 CVEs) — patch and remediation guide

  • October 29, 2023
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 29 October 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6410-1 Related CVEs: CVE-2023-4692 CVE-2023-4693 CVE-2022-28737 CVE-2021-3695 CVE-2021-3696 CVE-2021-3697 CVE-2021-3981 CVE-2022-28733  +5 more Upstream summary: It was discovered that a specially crafted file system image could cause a heap-based out-of-bounds […]

Read more
Common Problems 116890

Ubuntu 22.04 LTS – apt update fails with NO_PUBKEY for third-party repository – Fix & Prevention

  • October 29, 2023
  • Linux
  • Comment off

🟠 High   ⏱ 5–30 min  Last verified: 29 October 2023 Affected versions: Ubuntu 22.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

Read more
Ubuntu 22.04 — amanda — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — amanda — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • October 29, 2023
  • Linux
  • Comment off

🟡 Medium   ⏱ 10–30 min  Last verified: 29 October 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6614-1 Related CVEs: CVE-2023-30577 CVE-2022-37703 CVE-2022-37704 CVE-2022-37705 https://launchpad.net/bugs/2012536 Upstream summary: It was discovered that amanda did not properly check certain arguments. A local unprivileged attacker could possibly use this issue […]

Read more
Oracle Linux 8 — php:8.0 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — php:8.0 — vulnerability — patch and remediation guide (ELSA-2023-5927)

  • October 29, 2023
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 29 October 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5927 Related CVEs: CVE-2023-3824 CVE-2023-0568 CVE-2023-0567 CVE-2023-0662 CVE-2023-3247 CVE-2023-3823 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
openSUSE Tumbleweed — ruby3.1-rubygem-rack — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ruby3.1-rubygem-rack — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • October 29, 2023
  • Linux
  • Comment off

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14811-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-30123 CVE-2023-27539 CVE-2022-44570 CVE-2022-44571 CVE-2022-44572 CVE-2022-30122 Upstream summary: A sequence injection vulnerability exists in Rack <2.0.9.1, <2.1.4.1 and <2.2.3.1 which could allow is a possible […]

Read more
Debian 12 — gtkwave — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — gtkwave — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • October 29, 2023
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 29 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-32650 CVE-2023-34087 CVE-2023-34436 CVE-2023-35004 CVE-2023-35057 CVE-2023-35128 CVE-2023-35702 CVE-2023-35703  +12 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

Read more
Debian 12 — samba — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — samba — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • October 29, 2023
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 29 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1318 CVE-2002-2196 CVE-2003-0085 CVE-2003-0086 CVE-2003-0196 CVE-2003-0201 CVE-2004-0082 CVE-2004-0186  +12 more Upstream summary: Buffer overflow in samba 2.2.2 through 2.2.6 allows remote attackers to cause a denial of service […]

Read more
How to Install Gradle Build Tool on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Gradle Build Tool on Debian 12

  • October 29, 2023
  • Linux
  • Comment off

Introduction How to Install Gradle Build Tool on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. […]

Read more
Alpine Linux 3.18 — radare2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — radare2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • October 29, 2023
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 5.8.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — radare2 5.8.2-r0 Related CVEs: CVE-2023-0302 CVE-2022-4398 CVE-2022-34520 CVE-2022-34502 CVE-2022-1437 CVE-2022-1444 CVE-2022-1451 CVE-2022-1452  +12 more Upstream summary: Alpine community repository for vv3.18 ships radare2 5.8.2-r0 which […]

Read more
How to Set Up a Website Hit Counter With Redis and PHP on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up a Website Hit Counter With Redis and PHP on Ubuntu 20.04

  • October 29, 2023
  • Linux
  • Comment off

A hit counter is an application that records and indicates the number of visits your web page has received. The counter starts from 1 and is incremented once every time a web page is visited. To keep track of the visits, the hit counter application requires a form of a database. To track your site visits, you require a Redis hash map. In this guide, you’ll set up a website hit counter with Redis and PHP on your Ubuntu 20.04 server.

Read more

Tags

AIX AlmaLinux Alpine Linux authentication authorization Backup Recovery Boot Startup Cloud Integration Common Problems Cpu Memory Database Debian Debian 11 Debian 12 Bookworm Debian 13 Trixie DNS Firewall Fix Prevention FreeBSD FreeBSD 12 FreeBSD 13 FreeBSD 14 FreeBSD 15 Kernel Drivers Logging Monitoring Lvm Raid NetBSD Networking openSUSE Operations Oracle Linux Oracle Linux 8 Oracle Linux 9 Package Management Performance Proxy Security Hardening SLES Storage Disk Systemd Services Tls Ssl Troubleshooting ubuntu VPN windows server
CHAT