October 2023 - Page 11 of 76

Amazon Linux 2023 — device-mapper-multipath — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — device-mapper-multipath — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • October 27, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-126 Related CVEs: CVE-2022-3787 CVE-2022-41973 CVE-2022-41974 Upstream summary: A vulnerability was found in the device-mapper-multipath. The device-mapper-multipath allows local users to obtain root access, exploited alone or in conjunction with […]

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Oracle Linux 9 — qemu-kvm security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — qemu-kvm security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-7967)

  • October 27, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 27 October 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7967 Related CVEs: CVE-2021-3750 CVE-2021-3507 CVE-2021-3611 CVE-2021-4158 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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NetBSD 9.4 — typolight28 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — typolight28 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • October 27, 2023
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2011-0508 CVE-2011-4335 Upstream summary: pkgsrc audit-packages flagged typolight28<2.8rc2 for vulnerability class 'security-bypass'. Reference: http://www.typolight.org/news/items/major-security-hole-in-the-typolight-install-tool.html Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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How to Configure OPcache for PHP on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure OPcache for PHP on Oracle Linux 9

Introduction Setting up configure opcache for php on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure OPcache for PHP on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to […]

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Windows Server 2022 — KB5029569 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5029569 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5029569 • MSRC update-guide entry Related CVEs: CVE-2023-36873 CVE-2023-36899 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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NetBSD 9.4 — ruby-rails-2.[0-9]* — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby-rails — vulnerability — patch and remediation guide

  • October 27, 2023
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged ruby{18,19,193}-rails-2.[0-9]* for vulnerability class 'eol'. Reference: https://ftp.NetBSD.org/pub/NetBSD/packages/vulns/eol-packages Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Debian 12 — initramfs-tools — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — initramfs-tools — vulnerability — patch and remediation guide

  • October 27, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 27 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-4996 Upstream summary: init in initramfs-tools 0.92f allows local users to overwrite arbitrary files via a symlink attack on the /tmp/initramfs.debug temporary file. NOTE: the vendor disputes this […]

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AlmaLinux 8 — bluez — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — bluez — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • October 27, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:4043 Related CVEs: CVE-2023-27349 CVE-2023-51589 CVE-2023-45866 CVE-2020-27153 CVE-2021-41229 Upstream summary: The bluez packages contain the following utilities for use in Bluetooth applications: hcitool, hciattach, hciconfig, bluetoothd, l2ping, start scripts (AlmaLinux), and pcmcia […]

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Amazon Linux 2 — harfbuzz — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — harfbuzz — vulnerability — patch and remediation guide

  • October 27, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2024-2587 Related CVEs: CVE-2023-25193 Upstream summary: hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back for base glyphs when […]

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Debian 12 — unicon — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — unicon — vulnerability — patch and remediation guide

  • October 27, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 27 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-2835 Upstream summary: Multiple stack-based buffer overflows in (1) CCE_pinyin.c and (2) xl_pinyin.c in ImmModules/cce/ in unicon-imc2 3.0.4, as used by zhcon and other applications, allow local users […]

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