Linux

SLES 15 — tomcat — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — tomcat — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 8 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:4075-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-52316 CVE-2018-8037 CVE-2026-29146 CVE-2026-32990 CVE-2026-34486 CVE-2025-66614 CVE-2025-55752 CVE-2025-48989  +12 more Upstream summary: Unchecked Error Condition vulnerability in Apache Tomcat. If Tomcat is configured to use […]

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SLES 16 — libcairo2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libcairo2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2006:007 (see also SUSE bugzilla) Related CVEs: CVE-2006-0528 CVE-2016-9082 CVE-2017-7475 CVE-2017-9814 CVE-2025-50422 Upstream summary: The cairo library (libcairo), as used in GNOME Evolution and possibly other products, allows remote attackers to cause […]

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SLES 16 — cups — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — cups — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 8 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2006:001 (see also SUSE bugzilla) Related CVEs: CVE-2005-3625 CVE-2007-5392 CVE-2010-2941 CVE-2012-6094 CVE-2025-58060 CVE-2005-3628 CVE-2007-4351 CVE-2007-4352  +12 more Upstream summary: Xpdf, as used in products such as gpdf, kpdf, pdftohtml, poppler, teTeX, CUPS, […]

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Common Problems 124132

Oracle Linux 10 – tuned profile not applied after reboot causing performance regression – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 8 May 2026 Affected versions: Oracle Linux 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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Rocky Linux 8 — nginx — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — nginx — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:18041 Related CVEs: CVE-2026-42945 CVE-2026-27651 CVE-2026-27654 CVE-2026-27784 CVE-2026-32647 CVE-2026-1642 Upstream summary: nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, […]

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Oracle Linux 10 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2026-50184)

🟠 High   ⏱ 15–60 min  Last verified: 8 May 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50184 Related CVEs: CVE-2025-40135 CVE-2026-23004 CVE-2026-23231 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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AlmaLinux 9 — python3.11 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — python3.11 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:10774 Related CVEs: CVE-2026-4786 CVE-2026-6100 CVE-2026-4519 CVE-2024-12718 CVE-2025-4138 CVE-2025-4330 CVE-2025-4435 CVE-2025-4517  +12 more Upstream summary: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic […]

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Common Problems 115922

Ubuntu 26.04 LTS – Snap Store cannot connect or refresh snaps – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 7 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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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Amazon Linux 2023 — giflib — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — giflib — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2026-1508 Related CVEs: CVE-2026-23868 CVE-2023-48161 CVE-2024-45993 CVE-2025-31344 CVE-2023-39742 CVE-2020-23922 CVE-2022-28506 Upstream summary: Giflib contains a double-free vulnerability that is the result of a shallow copy in GifMakeSavedImage and incorrect error […]

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Amazon Linux 2023 — kernel-livepatch-6.12.74-98.124 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.12.74-98.124 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023LIVEPATCH-2026-139 Related CVEs: CVE-2026-43284 CVE-2026-31431 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags "Dirty Frag" and other […]

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