Common Problems

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

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2021-9451)

  • July 16, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 16 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9451 Related CVEs: CVE-2021-22543 CVE-2021-3609 CVE-2021-3653 CVE-2021-3573 CVE-2021-3656 CVE-2020-36311 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 8 — pcs — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — pcs — vulnerability — patch and remediation guide (ELSA-2021-9552)

  • July 16, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 16 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9552 Related CVEs: CVE-2020-11023 CVE-2020-7656 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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Arch Linux — lib32-curl — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — lib32-curl — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 16, 2021
  • 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-201805-14 Related CVEs: CVE-2018-1000301 CVE-2018-1000300 CVE-2021-22901 CVE-2021-22898 CVE-2019-5436 CVE-2019-5435 CVE-2019-3823 CVE-2019-3822  +12 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 7.59.0-1. Fixed in: 7.60.0-1. Group: AVG-695. Table of contents […]

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Oracle Linux 8 — linux-firmware security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — linux-firmware security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-7109)

  • July 15, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 15 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7109 Related CVEs: CVE-2023-20569 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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AlmaLinux 8 — rhnpush — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — rhnpush — vulnerability — patch and remediation guide

  • July 15, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2019:3355 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Common Problems 117427

Ubuntu 20.04 Broken Dependencies and Held Packages

  • July 15, 2021
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 15 July 2021 📖 ~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 […]

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IBM AIX 7.2 — CVE-2021-20549 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2021-20549 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 15 July 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2021-20549, IBM Support Bulletin CVE: CVE-2021-20549 NVD summary: IBM Content Navigator 3.0.CD is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering […]

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FreeBSD 13 — linux_base-c6_ — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — linux_base-c6_ — vulnerability — patch and remediation guide

  • July 15, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 15 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: glibc — getaddrinfo stack-based buffer overflow Related CVEs: CVE-2015-7547 Upstream summary: Fabio Olive Leite reports: A stack-based buffer overflow was found in libresolv when invoked from nss_dns, allowing specially crafted […]

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FreeBSD 13 — py39-twisted — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py39-twisted — security advisory — patch and remediation guide

  • July 15, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 15 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-twisted — cookie and authorization headers are leaked when following cross-origin redirects Upstream summary: Twisted developers report: Cookie and Authorization headers are leaked when following cross-origin redirects in twited.web.client.RedirectAgent and […]

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FreeBSD 13 — openoffice — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — openoffice — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • July 15, 2021
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 15 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openoffice — arbitrary command execution vulnerability Related CVEs: CVE-2004-0752 CVE-2005-0941 CVE-2007-2834 Upstream summary: iDefense reports: Remote exploitation of multiple integer overflow vulnerabilities within OpenOffice, as included in various vendors' operating […]

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