Package Management

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2023-12206)

  • September 26, 2022
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 26 September 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12206 Related CVEs: CVE-2022-2873 CVE-2022-41218 CVE-2022-45884 CVE-2022-45885 CVE-2022-45886 CVE-2022-45887 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
FreeBSD 13 — py39-fail2ban — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py39-fail2ban — vulnerability — patch and remediation guide

  • September 25, 2022
  • BSD
  • Comment off

🟢 Low   ⏱ 5–15 min  Last verified: 25 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: fail2ban — possible RCE vulnerability in mailing action using mailutils Related CVEs: CVE-2021-32749 Upstream summary: Jakub Żoczek reports: Command mail from mailutils package used in mail actions like mail-whois can […]

Read more
FreeBSD 13 — py27-pygments — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py27-pygments — vulnerability — patch and remediation guide

  • September 25, 2022
  • BSD
  • Comment off

🟢 Low   ⏱ 5–15 min  Last verified: 25 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pygments — shell injection vulnerability Related CVEs: CVE-2015-8557 Upstream summary: NVD reports: The FontManager._get_nix_font_path function in formatters/img.py in Pygments 1.2.2 through 2.0.2 allows remote attackers to execute arbitrary commands via […]

Read more
Common Problems 114905

Subscription Channels Missing in RHEL 8

🟡 Medium   ⏱ 5–30 min  Last verified: 25 September 2022 📖 ~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 & Cross-Refs References & Further […]

Read more
How to Configure Virtual Ethernet on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure Virtual Ethernet on IBM AIX 7.3

  • September 25, 2022
  • IBM AIX
  • Comment off

Introduction IBM AIX 7.3 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure virtual ethernet on IBM AIX 7.3 with practical […]

Read more
Debian 11 — tex-common — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — tex-common — vulnerability — patch and remediation guide

  • September 25, 2022
  • Linux
  • Comment off

🟢 Low   ⏱ 5–15 min  Last verified: 25 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-1400 Upstream summary: The default configuration of the shell_escape_commands directive in conf/texmf.d/95NonPath.cnf in the tex-common package before 2.08.1 in Debian GNU/Linux squeeze, Ubuntu 10.10 and 10.04 LTS, and […]

Read more
Debian 11 — libnet-server-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libnet-server-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 25, 2022
  • Linux
  • Comment off

🟢 Low   ⏱ 5–15 min  Last verified: 25 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-1127 CVE-2013-1841 Upstream summary: Format string vulnerability in the log function in Net::Server 0.87 and earlier, as used in Postfix Greylisting Policy Server (Postgrey) 1.18 and earlier, and […]

Read more
How to Use the Korn Shell (ksh) on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use the Korn Shell (ksh) on IBM AIX 7.1

  • September 25, 2022
  • IBM AIX
  • Comment off

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use the korn shell (ksh) on ibm aix 7.1 […]

Read more
Debian 11 — distcc — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — distcc — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 25, 2022
  • Linux
  • Comment off

🟢 Low   ⏱ 5–15 min  Last verified: 25 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0601 CVE-2004-2687 Upstream summary: distcc before 2.16, when running on 64-bit platforms, does not interpret IP-based access control rules correctly, which could allow remote attackers to bypass intended […]

Read more
Debian 11 — rpki-client — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rpki-client — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • September 25, 2022
  • Linux
  • Comment off

🟡 Medium   ⏱ 10–30 min  Last verified: 25 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3909 CVE-2021-43172 CVE-2021-43173 Upstream summary: OctoRPKI does not limit the length of a connection, allowing for a slowloris DOS attack to take place which makes OctoRPKI wait forever. […]

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