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Windows Server 2022 — KB5030269 — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5030269 — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5030269 • MSRC update-guide entry Related CVEs: CVE-2023-38162 CVE-2023-38161 CVE-2023-38152 CVE-2023-38149 CVE-2023-38144 CVE-2023-38143 CVE-2023-38142 CVE-2023-38141  +5 more Affected components: Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root […]

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How to Configure YaST on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure YaST on SLES 12

Introduction This tutorial covers How to Configure YaST on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Step 1 — Launch YaST yast Step 2 — Use YaST from the […]

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Debian 11 — shim — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — shim — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • February 7, 2023
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🟡 Medium   ⏱ 10–30 min  Last verified: 7 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-28737 CVE-2023-40546 CVE-2023-40547 CVE-2023-40548 CVE-2023-40549 CVE-2023-40550 CVE-2023-40551 Upstream summary: There's a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables; The handle_image() function […]

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Debian 11 — gssproxy — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gssproxy — vulnerability — patch and remediation guide

  • February 7, 2023
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🟢 Low   ⏱ 5–15 min  Last verified: 7 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-12658 Upstream summary: gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before pthread exit in gp_worker_main() in gp_workers.c. NOTE: An upstream comment states "We are already on […]

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Debian 11 — backupninja — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — backupninja — vulnerability — patch and remediation guide

  • February 7, 2023
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🟢 Low   ⏱ 5–15 min  Last verified: 7 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-3111 Upstream summary: The handler code for backupninja 0.8 and earlier creates temporary files with predictable filenames, which allows local users to modify arbitrary files via a symlink […]

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Oracle Linux 9 — python3.9 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — python3.9 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-8353)

  • February 7, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 7 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-8353 Related CVEs: CVE-2021-28861 CVE-2015-20107 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Windows Server 2022 — KB5022899 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5022899 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5022899 • MSRC update-guide entry Related CVEs: CVE-2023-21689 CVE-2023-21690 CVE-2023-21692 CVE-2023-21684 CVE-2023-21701 CVE-2023-21797 CVE-2023-21798 CVE-2023-21799  +12 more Affected components: Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 11 — puma — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — puma — multiple vulnerabilities (12 CVEs) — patch and remediation guide

  • February 7, 2023
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🟠 High   ⏱ 15–60 min  Last verified: 7 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16770 CVE-2020-11076 CVE-2020-11077 CVE-2020-5247 CVE-2020-5249 CVE-2021-29509 CVE-2021-41136 CVE-2022-23634  +4 more Upstream summary: In Puma before versions 3.12.2 and 4.3.1, a poorly-behaved client could use keepalive requests to monopolize […]

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Debian 11 — rzip — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rzip — vulnerability — patch and remediation guide

  • February 7, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 7 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-8364 Upstream summary: The read_buf function in stream.c in rzip 2.1 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly […]

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

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

  • February 7, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 7 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-23108 CVE-2023-23109 Upstream summary: In crasm 1.8-3, invalid input validation, specific files passed to the command line application, can lead to a NULL pointer dereference in the function […]

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