Common Problems

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

Oracle Linux 8 — opensc — vulnerability — patch and remediation guide (ELSA-2024-0967)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-0967 Related CVEs: CVE-2023-5992 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 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — firefox — vulnerability — patch and remediation guide (ELSA-2023-4958)

🟠 High   ⏱ 15–60 min  Last verified: 27 January 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-4958 Related CVEs: CVE-2023-4573 CVE-2023-4585 CVE-2023-4574 CVE-2023-4578 CVE-2023-4583 CVE-2023-4051 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-2007-4355 — buffer overflow — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2007-4355 — buffer overflow — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 27 January 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2007-4355, IBM Support Bulletin CVE: CVE-2007-4355 NVD summary: Buffer overflow in the at program on IBM AIX 5.3 allows local users to gain privileges via unspecified vectors. References: ftp://aix.software.ibm.com/aix/efixes/security/R   osvdb.org/36794   […]

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Windows Server 2019 — KB5025234 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5025234 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5025234 • MSRC update-guide entry Related CVEs: CVE-2023-21554 CVE-2023-28219 CVE-2023-28220 CVE-2023-28232 CVE-2023-28250 CVE-2023-21769 CVE-2023-21729 CVE-2023-21727  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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Common Problems 117029

Ubuntu 22.04 LTS – Docker service fails due to cgroup driver mismatch

🟠 High   ⏱ 5–30 min  Last verified: 26 January 2023 Affected versions: Ubuntu 22.04 LTS Ubuntu 22.04 Ubuntu 22.04.4 📖 ~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 […]

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AlmaLinux 9 — libX11 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — libX11 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:2145 Related CVEs: CVE-2023-43785 CVE-2023-43786 CVE-2023-43787 CVE-2023-3138 Upstream summary: The libX11 packages contain the core X11 protocol client library. Security Fix(es): * libX11: out-of-bounds memory access in _XkbReadKeySyms() (CVE-2023-43785) * libX11: stack […]

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Debian 11 — sysstat — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — sysstat — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0107 CVE-2004-0108 CVE-2018-19416 CVE-2018-19517 CVE-2019-16167 CVE-2019-19725 CVE-2022-39377 CVE-2023-33204 Upstream summary: The (1) post and (2) trigger scripts in sysstat 4.0.7 and earlier allow local users to overwrite arbitrary […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 26 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-3106 CVE-2007-4029 CVE-2007-4065 CVE-2007-4066 CVE-2008-1419 CVE-2008-1423 CVE-2008-2009 CVE-2009-2663  +3 more Upstream summary: lib/info.c in libvorbis 1.1.2, and possibly other versions before 1.2.0, allows context-dependent attackers to cause a […]

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Common Problems 111820

Windows Server 2022 — Smart card logon fails with KDC certificate trust error — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 26 January 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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Alpine Linux edge — tailscale — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — tailscale — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.66.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — tailscale 1.66.1-r0 Related CVEs: CVE-????-????? CVE-2022-41924 CVE-2022-41925 Upstream summary: Alpine community repository for vedge ships tailscale 1.66.1-r0 which addresses CVE-????-?????. Table of contents Symptom & […]

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