Linux

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

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

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:0579-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-12178 CVE-2026-25833 CVE-2026-25835 CVE-2026-34874 CVE-2022-36765 CVE-2022-36764 CVE-2022-36763 CVE-2023-45230  +12 more Upstream summary: Buffer overflow in network stack for EDK II may allow unprivileged user to […]

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CentOS Stream 9 — openssl — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — openssl — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:1473 Related CVEs: CVE-2025-11187 CVE-2025-15467 CVE-2025-15468 CVE-2025-15469 CVE-2025-66199 CVE-2025-68160 CVE-2025-69418 CVE-2025-69419  +12 more Upstream summary: OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) […]

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Common Problems 116991

Ubuntu 22.04 LTS – sudo fails with unable to resolve host after hostname change – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 22.04 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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SLES 16 — go1.25 — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — go1.25 — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:10217 (see also SUSE bugzilla) Related CVEs: CVE-2026-27140 CVE-2026-27143 CVE-2026-32280 CVE-2026-27144 CVE-2026-32281 CVE-2026-32282 CVE-2026-32283 CVE-2026-32288  +5 more Upstream summary: SWIG file names containing 'cgo' and well-crafted payloads could lead to code smuggling […]

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Common Problems 117492

Ubuntu 20.04 LTS – disk full under /var/log causes service failures – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 20.04 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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Oracle Linux 9 — .NET 8.0 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — .NET 8.0 — vulnerability — patch and remediation guide (ELSA-2025-7598)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-7598 Related CVEs: CVE-2025-26646 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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CentOS Stream 10 — cups — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — cups — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:15701 Related CVEs: CVE-2025-58060 CVE-2025-58364 CVE-2025-58436 CVE-2025-61915 Upstream summary: The Common UNIX Printing System (CUPS) provides a portable printing layer for Linux, UNIX, and similar operating systems. Security Fix(es): * cups: […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1318 CVE-2002-2196 CVE-2003-0085 CVE-2003-0086 CVE-2003-0196 CVE-2003-0201 CVE-2004-0082 CVE-2004-0186  +12 more Upstream summary: Buffer overflow in samba 2.2.2 through 2.2.6 allows remote attackers to cause a denial of service […]

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Common Problems 113990

RHEL 10 – SELinux file contexts reset incorrectly on mounted volume – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]

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Common Problems 115997

Ubuntu 26.04 LTS – NVIDIA driver fails after kernel update with DKMS build error – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 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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