Linux

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

AlmaLinux 8 — buildah — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • June 11, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:4672 Related CVEs: CVE-2025-61726 CVE-2025-61728 CVE-2025-68121 CVE-2024-24785 CVE-2025-61729 CVE-2025-65637 CVE-2025-47913 CVE-2025-52881  +12 more Upstream summary: The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc. Security Fix(es): […]

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Common Problems 116081

Ubuntu 26.04 LTS – UFW blocks expected application traffic – Fix & Prevention

  • June 11, 2026
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 11 June 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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Oracle Linux 8 — dtrace — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dtrace — vulnerability — patch and remediation guide (ELSA-2026-50250)

  • June 11, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 11 June 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50250 Related CVEs: CVE-2026-21996 CVE-2026-35233 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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How to Run OpenSCAP Compliance Scans on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Run OpenSCAP Compliance Scans on RHEL 10

  • June 11, 2026
  • Linux
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Introduction This tutorial demonstrates how to Run OpenSCAP Compliance Scans on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream repositories […]

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SLES 15 — haproxy — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — haproxy — multiple vulnerabilities (13 CVEs) — patch and remediation guide

  • June 11, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 11 June 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:1459-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-25725 CVE-2023-0056 CVE-2019-14241 CVE-2020-11100 CVE-2021-40346 CVE-2026-33555 CVE-2025-11230 CVE-2025-32464  +5 more Upstream summary: HAProxy before 2.7.3 may allow a bypass of access control because HTTP/1 headers […]

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CentOS Stream 10 — openssh — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — openssh — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • June 11, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 11 June 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:13380 Related CVEs: CVE-2026-35385 CVE-2026-35386 CVE-2026-35387 CVE-2026-35388 CVE-2026-35414 CVE-2026-3497 CVE-2025-61984 CVE-2025-61985  +1 more Upstream summary: OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating […]

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Fedora 42 — python-django5 — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — python-django5 — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • June 11, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-b9548393aa Related CVEs: CVE-2026-5766 CVE-2026-35192 CVE-2026-6907 CVE-2026-3902 CVE-2026-4277 CVE-2026-4292 CVE-2026-33033 CVE-2026-33034  +1 more Upstream summary: – Fixes CVE-2026-5766: Potential denial-of-service vulnerability in ASGI requests via file upload limit bypass – Fixes CVE-2026-35192: […]

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

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

  • June 11, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 11 June 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:10739 (see also SUSE bugzilla) Related CVEs: CVE-2026-34001 CVE-2025-62229 CVE-2025-62230 CVE-2025-62231 CVE-2021-3472 CVE-2021-4008 CVE-2021-4009 CVE-2021-4010  +12 more Upstream summary: A flaw was found in the X.Org X server. This use-after-free vulnerability occurs […]

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SLES 16 — libodbc2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libodbc2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • June 11, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 11 June 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:719-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-7409 CVE-2018-7485 CVE-2011-1145 Upstream summary: In unixODBC before 2.3.5, there is a buffer overflow in the unicode_to_ansi_copy() function in DriverManager/__info.c. Table of contents Symptom & […]

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Red Hat Enterprise Linux 7 — host-metering — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 7

Red Hat Enterprise Linux 7 — host-metering — vulnerability — patch and remediation guide

  • June 11, 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-2026:16101 Related CVEs: CVE-2026-32283 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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