Security Hardening

Ubuntu 22.04 — linux-lowlatency-hwe-6.8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-lowlatency-hwe-6.8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 23, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 23 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8278-1 Related CVEs: CVE-2024-50004 CVE-2024-58096 CVE-2024-58097 CVE-2025-37926 CVE-2025-38201 CVE-2025-38591 CVE-2025-40039 CVE-2025-40082  +12 more Upstream summary: It was discovered that the Linux kernel algif_aead module did not properly handle in-place cryptographic […]

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

SLES 16 — fribidi — vulnerability — patch and remediation guide

  • May 23, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 23 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:233-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-18397 Upstream summary: A buffer overflow in the fribidi_get_par_embedding_levels_ex() function in lib/fribidi-bidi.c of GNU FriBidi through 1.0.7 allows an attacker to cause a denial of […]

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SLES 12 — docker — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — docker — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 23, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 23 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-RU-2024:4391-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-41110 CVE-2025-22869 CVE-2025-22868 CVE-2023-47108 CVE-2023-45142 CVE-2018-16873 CVE-2019-14271 CVE-2019-19921  +12 more Upstream summary: Moby is an open-source project created by Docker for software containerization. A security […]

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openSUSE Tumbleweed — helm — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — helm — multiple vulnerabilities (15 CVEs) — patch and remediation guide

  • May 23, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:10081-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-1996 CVE-2026-33814 CVE-2026-35205 CVE-2026-35204 CVE-2024-45337 CVE-2021-21272 CVE-2022-36055 CVE-2026-41888  +7 more Upstream summary: Authorization Bypass Through User-Controlled Key in GitHub repository emicklei/go-restful prior to v3.8.0. Table […]

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Amazon Linux 2 — ghostscript — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — ghostscript — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 23, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2025-3018 Related CVEs: CVE-2025-59798 CVE-2025-59799 CVE-2025-59800 CVE-2025-27835 CVE-2025-27836 CVE-2025-27837 CVE-2025-27830 CVE-2025-27831  +12 more Upstream summary: Artifex Ghostscript through 10.05.1 has a stack-based buffer overflow in pdf_write_cmap in devices/vector/gdevpdtw.c. (CVE-2025-59798) Artifex […]

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FreeBSD 15 — mysql96-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — mysql96-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 23, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 23 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL — Multiple vulnerabilities Related CVEs: CVE-2025-14017 CVE-2025-15467 CVE-2026-21998 CVE-2026-22001 CVE-2026-22002 CVE-2026-22004 CVE-2026-22005 CVE-2026-22009  +12 more Upstream summary: Oracle reports: See linked CVE's for details. Table of contents Symptom & […]

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FreeBSD 15 — libressl — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — libressl — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 23, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 23 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: LibreSSL — overwrite and -read vulnerability Related CVEs: CVE-2014-8176 CVE-2015-0204 CVE-2015-0206 CVE-2015-0209 CVE-2015-0286 CVE-2015-0287 CVE-2015-0288 CVE-2015-0289  +12 more Upstream summary: The LibreSSL project reports: An incorrect length check can result […]

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Red Hat Enterprise Linux 7 — resource-agents — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 7

Red Hat Enterprise Linux 7 — resource-agents — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • May 23, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 7 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:2758 Related CVEs: CVE-2026-23490 CVE-2025-66471 CVE-2025-66418 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution […]

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FreeBSD 15 — percona55-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — percona55-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 23, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 23 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL Server — Multiple vulerabilities Related CVEs: CVE-2015-3194 CVE-2015-4792 CVE-2015-4802 CVE-2015-4807 CVE-2015-4815 CVE-2015-4826 CVE-2015-4830 CVE-2015-4836  +12 more Upstream summary: Oracle reports: This Critical Patch Update contains 45 new security patches […]

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Common Problems 116110

Ubuntu 26.04 LTS OOM Kills Under Memory Pressure Without Adequate Swap

  • May 23, 2026
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 23 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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