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Ubuntu 22.04 — openjdk-17 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — openjdk-17 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 June 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7998-1 Related CVEs: CVE-2026-21932 CVE-2026-21933 CVE-2026-21925 CVE-2026-21945 CVE-2025-53057 CVE-2025-53066 CVE-2025-50106 CVE-2025-30754  +12 more Upstream summary: It was discovered that the RMI component of OpenJDK 17 would establish RMI TCP endpoint […]

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Windows Server 2022 — KB5052042 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5052042 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5052042 • MSRC update-guide entry Related CVEs: CVE-2025-21376 CVE-2025-21352 CVE-2025-21368 CVE-2025-21369 CVE-2025-21375 CVE-2025-21418 CVE-2025-21419 CVE-2025-21420  +12 more Affected components: Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root […]

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SLES 16 — python313-websockets — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — python313-websockets — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 June 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:2854-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-1000518 Upstream summary: aaugustin websockets version 4 contains a CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Servers and clients, unless configured […]

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Common Problems 114122

RHEL 10 – sudo rules ignored because sssd cache is stale – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 9 June 2026 Affected versions: RHEL 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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openSUSE Tumbleweed — runc — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — runc — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:19927 (see also SUSE bugzilla) Related CVEs: CVE-2025-31133 CVE-2025-52565 CVE-2025-52881 CVE-2023-27561 CVE-2019-19921 CVE-2021-30465 CVE-2023-25809 CVE-2023-28642  +5 more Upstream summary: runc is a CLI tool for spawning and running containers according to the […]

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SLES 16 — conntrackd — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — conntrackd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 June 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2015:1545-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-6496 Upstream summary: conntrackd in conntrack-tools 1.4.2 and earlier does not ensure that the optional kernel modules are loaded before using them, which allows remote […]

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SLES 16 — procps — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — procps — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 June 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:695-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-1122 CVE-2018-1123 CVE-2018-1124 CVE-2018-1125 CVE-2018-1126 CVE-2023-4016 Upstream summary: procps-ng before version 3.3.15 is vulnerable to a local privilege escalation in top. If a user runs […]

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SLES 16 — libprotobuf-c1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libprotobuf-c1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 June 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:3915-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-48468 CVE-2022-33070 Upstream summary: protobuf-c before 1.4.1 has an unsigned integer overflow in parse_required_member. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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SLES 16 — nautilus — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — nautilus — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 June 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:2185-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-11461 CVE-2022-37290 Upstream summary: An issue was discovered in GNOME Nautilus 3.30 prior to 3.30.6 and 3.32 prior to 3.32.1. A compromised thumbnailer may escape […]

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Oracle Linux 9 — golang — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — golang — vulnerability — patch and remediation guide (ELSA-2025-8476)

🟡 Medium   ⏱ 10–30 min  Last verified: 9 June 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-8476 Related CVEs: CVE-2025-22871 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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