chris

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

Oracle Linux 10 — kernel — vulnerability — patch and remediation guide (ELSA-2026-1690)

🟠 High   ⏱ 15–60 min  Last verified: 23 July 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-1690 Related CVEs: CVE-2025-37819 CVE-2025-38022 CVE-2025-38349 CVE-2025-38453 CVE-2025-38568 CVE-2025-38731 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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

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

🔴 Critical   ⏱ 15–90 min  Last verified: 23 July 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2018:2699-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-8037 CVE-2024-52316 CVE-2026-29146 CVE-2026-32990 CVE-2026-34486 CVE-2025-66614 CVE-2025-55752 CVE-2016-3092  +12 more Upstream summary: If an async request was completed by the application at the same time […]

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Fedora 42 — lemonldap-ng — vulnerability — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — lemonldap-ng — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-69743812a7 Upstream summary: Update to 2.22.3 https://projects.ow2.org/view/lemonldap-ng/lemonldap-ng-2-22-3-is-out/ 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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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2026-50280)

🟠 High   ⏱ 15–60 min  Last verified: 23 July 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50280 Related CVEs: CVE-2026-46333 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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Common Problems 116068

journalctl missing persistent logs after reboot

🟡 Medium   ⏱ 5–30 min  Last verified: 23 July 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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Common Problems 114492

RHEL 9 Kernel Update Installed but Old Kernel Still Boots

🟡 Medium   ⏱ 5–30 min  Last verified: 23 July 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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Debian 13 — systemd — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — systemd — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 July 2026 Affected versions: Debian 13 (trixie) 📖 ~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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Ubuntu 20.04 — linux — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 July 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8273-1 Related CVEs: CVE-2024-50304 CVE-2026-23112 CVE-2026-23209 CVE-2026-31431 CVE-2026-31504 CVE-2026-31533 CVE-2026-43033 CVE-2026-43077  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

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Debian 13 — cups — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — cups — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 July 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1366 CVE-2002-1367 CVE-2002-1368 CVE-2002-1369 CVE-2002-1371 CVE-2002-1372 CVE-2002-1383 CVE-2002-1384  +12 more Upstream summary: Common Unix Printing System (CUPS) 1.1.14 through 1.1.17 allows local users with lp privileges to create […]

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AlmaLinux 8 — python2-pycairo — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — python2-pycairo — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:17533 Related CVEs: CVE-2026-4150 CVE-2026-4153 CVE-2026-4154 CVE-2026-4887 CVE-2026-0797 CVE-2026-2044 CVE-2026-2045 CVE-2026-2048  +12 more Upstream summary: The GIMP (GNU Image Manipulation Program) is an image composition and editing program. GIMP provides a large […]

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