September 2023 - Page 7 of 72

openSUSE Leap 15.5 — suse-module-tools — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — suse-module-tools — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:3482-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-23559 Upstream summary: In rndis_query_oid in drivers/net/wireless/rndis_wlan.c in the Linux kernel through 6.1.5, there is an integer overflow in an addition. Table of contents […]

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Alpine Linux 3.18 — gptfdisk — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — gptfdisk — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.0.6-r0 📖 ~4 min read  •  Source: Alpine secdb entry — gptfdisk 1.0.6-r0 Related CVEs: CVE-2021-0308 CVE-2020-0256 Upstream summary: Alpine main repository for vv3.18 ships gptfdisk 1.0.6-r0 which addresses CVE-2021-0308. Table of contents Symptom & Impact […]

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How to Harden SSH on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Harden SSH on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying harden ssh on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Harden SSH on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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Alpine Linux 3.18 — zoneminder — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — zoneminder — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.36.7-r0 📖 ~4 min read  •  Source: Alpine secdb entry — zoneminder 1.36.7-r0 Related CVEs: CVE-2019-6777 CVE-2019-6990 CVE-2019-6991 CVE-2019-6992 CVE-2019-7325 CVE-2019-7326 CVE-2019-7327 CVE-2019-7328  +12 more Upstream summary: Alpine community repository for vv3.18 ships zoneminder 1.36.7-r0 which […]

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Rocky Linux 8 — libreswan — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — libreswan — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2023:7052 Related CVEs: CVE-2023-38710 CVE-2023-38711 CVE-2023-38712 Upstream summary: Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide […]

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Debian 12 — jboss-xnio — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — jboss-xnio — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-14340 CVE-2022-0084 CVE-2023-5685 Upstream summary: A vulnerability was discovered in XNIO where file descriptor leak caused by growing amounts of NIO Selector file handles between garbage collection cycles. […]

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Oracle Linux 8 — python-cryptography — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python-cryptography — vulnerability — patch and remediation guide (ELSA-2025-14553)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-14553 Related CVEs: CVE-2023-49083 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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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2024-12159)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-12159 Related CVEs: CVE-2020-26555 CVE-2023-6111 CVE-2023-35827 CVE-2023-25775 CVE-2023-46813 CVE-2023-6622 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 13 — libX — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libX — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: 11/libX11 multiple vulnerabilities Related CVEs: CVE-2013-1981 CVE-2013-1982 CVE-2013-1983 CVE-2013-1984 CVE-2013-1985 CVE-2013-1986 CVE-2013-1987 CVE-2013-1988  +12 more Upstream summary: The X.Org project reports: CVE-2023-43785: out-of-bounds memory access in _XkbReadKeySyms() When libX11 is […]

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Debian 12 — symfony — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — symfony — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-2383 CVE-2008-7220 CVE-2015-2308 CVE-2015-2309 CVE-2015-4050 CVE-2015-8124 CVE-2015-8125 CVE-2016-1902  +12 more Upstream summary: The Prototype (prototypejs) framework before 1.5.1 RC3 exchanges data using JavaScript Object Notation (JSON) without an […]

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