Common Problems

Arch Linux — linux-zen — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — linux-zen — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • February 12, 2023
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202210-4 Related CVEs: CVE-2022-42722 CVE-2022-42721 CVE-2022-42720 CVE-2022-42719 CVE-2022-41674 CVE-2019-17666 CVE-2021-3655 CVE-2021-3612  +12 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 5.1-1. Fixed in: 6.0.1.zen2-1. Group: AVG-2803. Table of contents […]

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Oracle Linux 9 — pcs — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — pcs — vulnerability — patch and remediation guide (ELSA-2023-12235)

  • February 12, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 12 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12235 Related CVEs: CVE-2023-28154 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Oracle Linux 9 — xz — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — xz — vulnerability — patch and remediation guide (ELSA-2022-4940)

  • February 12, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 12 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4940 Related CVEs: CVE-2022-1271 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Oracle Linux 9 — xorg-x11-server — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — xorg-x11-server — security and stability fixes — required update (ELSA-2023-2248)

  • February 11, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 11 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2248 Related CVEs: CVE-2022-46343 CVE-2023-0494 CVE-2022-3551 CVE-2022-46341 CVE-2022-46342 CVE-2022-46344 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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IBM AIX 7.3 — CVE-2020-4771 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2020-4771 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 11 February 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2020-4771, IBM Support Bulletin CVE: CVE-2020-4771 NVD summary: IBM Spectrum Protect Operations Center 8.1.0.000 through 8.1.10.and 7.1.0.000 through 7.1.11 could allow a remote attacker to obtain sensitive information, caused by improper authentication […]

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IBM AIX 7.3 — CVE-2010-2594 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2010-2594 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 11 February 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2010-2594, IBM PSIRT advisory page CVE: CVE-2010-2594 NVD summary: Multiple cross-site request forgery (CSRF) vulnerabilities in the web management interface in InterSect Alliance Snare Agent 3.2.3 and earlier on Solaris, Snare Agent […]

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Common Problems 111730

Windows Server 2022 — Service accounts fail logon after addition to Protected Users group — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 11 February 2023 Affected versions: Windows Server 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 […]

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

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

  • February 11, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 11 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0358 CVE-2003-0359 CVE-2019-19905 CVE-2020-5209 CVE-2020-5210 CVE-2020-5211 CVE-2020-5212 CVE-2020-5213  +4 more Upstream summary: Buffer overflow in (1) nethack 3.4.0 and earlier, and (2) falconseye 1.9.3 and earlier, which is […]

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AlmaLinux 8 — pcre2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — pcre2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • February 11, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:5809 Related CVEs: CVE-2022-1586 CVE-2019-20454 Upstream summary: The pcre2 package contains a new generation of the Perl Compatible Regular Expression libraries for implementing regular expression pattern matching using the same syntax and […]

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Ubuntu 22.04 — kopanocore — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — kopanocore — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • February 11, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 11 February 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6876-1 Related CVEs: CVE-2019-19907 CVE-2022-26562 Upstream summary: It was discovered that Kopano Core allowed out-of-bounds access. An attacker could use this issue to expose private information. This issue only affected […]

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