Common Problems

Windows Server 2016 — KB5022834 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5022834 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5022834 • 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 2016 Table of contents Symptom & Impact Environment & Reproduction Root […]

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SLES 12 — p7zip — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — p7zip — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • February 9, 2023
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 9 February 2023 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2018:0464-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-5996 CVE-2023-52168 CVE-2023-52169 CVE-2017-17969 CVE-2016-1372 CVE-2016-2335 CVE-2015-1038 Upstream summary: Insufficient exception handling in the method NCompress::NRar3::CDecoder::Code of 7-Zip before 18.00 and p7zip can lead to […]

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Debian 11 — systemd — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — systemd — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • February 9, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 9 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-0871 CVE-2012-1101 CVE-2012-1174 CVE-2013-4327 CVE-2013-4391 CVE-2013-4392 CVE-2013-4393 CVE-2013-4394  +12 more Upstream summary: The session_link_x11_socket function in login/logind-session.c in systemd-logind in systemd, possibly 37 and earlier, allows local users […]

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Common Problems 114620

RHEL 9 Performance Drop Due to THP and Swappiness Misconfiguration

  • February 8, 2023
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 8 February 2023 📖 ~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-2023-33846 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2023-33846 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 8 February 2023 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2023-33846, IBM Support Bulletin CVE: CVE-2023-33846 NVD summary: IBM TXSeries for Multiplatforms 8.1, 8.2, 9.1, CICS TX Standard, 11.1, CICS TX Advanced 10.1, and 11.1 is vulnerable to cross-site scripting. This vulnerability […]

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IBM AIX 7.2 — CVE-2022-34361 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2022-34361 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 8 February 2023 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2022-34361, IBM Support Bulletin CVE: CVE-2022-34361 NVD summary: IBM Sterling Secure Proxy 6.0.3 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: […]

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Windows Server 2022 — KB5029655 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5029655 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5029655 • MSRC update-guide entry Related CVEs: CVE-2023-36873 CVE-2023-36899 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 12 — tailscale — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — tailscale — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • February 8, 2023
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 8 February 2023 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: tailscale — Insufficient inbound packet filtering in subnet routers and exit nodes Related CVEs: CVE-2022-41925 CVE-2023-28436 Upstream summary: Tailscale team reports: In Tailscale versions earlier than 1.66.0, exit nodes, subnet […]

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Alpine Linux edge — fribidi — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — fribidi — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • February 8, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.0.7-r1 📖 ~4 min read  •  Source: Alpine secdb entry — fribidi 1.0.7-r1 Related CVEs: CVE-2019-18397 CVE-2022-25308 CVE-2022-25309 CVE-2022-25310 Upstream summary: Alpine main repository for vedge ships fribidi 1.0.7-r1 which addresses CVE-2019-18397. Table of contents Symptom […]

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