Systemd Services

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

  • May 24, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 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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pr cp 127012 r2

CentOS Stream 10 – Common Problem 130 – Diagnosis and Fix

  • May 24, 2026
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: CentOS Stream 10 📖 ~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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CentOS Stream 9 — libblockdev — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — libblockdev — vulnerability — patch and remediation guide

  • May 24, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:9327 Related CVEs: CVE-2025-6019 Upstream summary: The libblockdev packages provide a C library with GObject introspection support used for low-level operations on block devices. The library serves as a thin wrapper […]

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IBM AIX 7.3 — CVE-2020-4937 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2020-4937 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2020-4937, IBM Support Bulletin CVE: CVE-2020-4937 NVD summary: IBM Sterling B2B Integrator Standard Edition 5.2.0.0 through 6.0.3.2 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive […]

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pr cp 114936 r2

RHEL 8 journalctl Missing Historical Logs After Reboot

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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pr cp 115430 r2

Service Starts Then Immediately Stops on RHEL 7

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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pr cp 116932 r2

Ubuntu 22.04 Snap apps launch very slowly

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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Ubuntu 18.04 — ruby-rack — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — ruby-rack — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8182-1 Related CVEs: CVE-2026-34785 CVE-2026-26962 CVE-2026-26961 CVE-2026-34230 CVE-2026-34830 CVE-2026-34763 CVE-2026-34827 CVE-2026-32762  +12 more Upstream summary: Andrew Lacambra discovered that Rack did not properly parse certain regular expressions. An attacker could […]

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