August 2023 - Page 44 of 75

Debian 12 — libtasn1-6 — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libtasn1-6 — multiple vulnerabilities (13 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-2014-3467 CVE-2014-3468 CVE-2014-3469 CVE-2015-2806 CVE-2015-3622 CVE-2016-4008 CVE-2017-10790 CVE-2017-6891  +5 more Upstream summary: Multiple unspecified vulnerabilities in the DER decoder in GNU Libtasn1 before 3.6, as used in GnuTLS, […]

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Debian 12 — flatpak — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — flatpak — multiple vulnerabilities (15 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-2017-9780 CVE-2018-6560 CVE-2019-10063 CVE-2019-8308 CVE-2021-21261 CVE-2021-21381 CVE-2021-41133 CVE-2021-43860  +7 more Upstream summary: In Flatpak before 0.8.7, a third-party app repository could include malicious apps that contain files with […]

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Ubuntu 22.04 — graphviz — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — graphviz — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6708-1 Related CVEs: CVE-2023-46045 Upstream summary: It was discovered that Graphviz incorrectly handled certain config6a files. An attacker could possibly use this issue to cause a denial of service. Table […]

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Ubuntu 22.04 — linux-oem-6.1 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-oem-6.1 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6706-1 Related CVEs: CVE-2023-6039 CVE-2023-46838 CVE-2023-50431 CVE-2023-52436 CVE-2023-52438 CVE-2023-52439 CVE-2023-52443 CVE-2023-52444  +12 more Upstream summary: It was discovered that the Microchip USB Ethernet driver in the Linux kernel contained a […]

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Oracle Linux 9 — ncurses — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — ncurses — vulnerability — patch and remediation guide (ELSA-2025-12876)

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-12876 Related CVEs: CVE-2022-29458 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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How to Perform a CIS Benchmark Audit on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Perform a CIS Benchmark Audit on Debian 12

Introduction This guide explains how to Perform a CIS Benchmark Audit on Debian 12 on Debian 12 Bookworm. Debian Bookworm uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 12 install with […]

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Common Problems 120086

Debian 12 mdadm RAID Array Degraded After Drive Failure

🔴 Critical   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 12 📖 ~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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NetBSD 9.4 — emacs24-nox11-24.4* — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — emacs24-nox11 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2014-9483 Upstream summary: pkgsrc audit-packages flagged emacs24-nox11 for vulnerability class 'sensitive-information-disclosure'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2014-9483 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Amazon Linux 2023 — kernel-livepatch-6.1.61-85.141 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.1.61-85.141 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023LIVEPATCH-2023-020 Related CVEs: CVE-2023-6111 Upstream summary: A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The function nft_trans_gc_catchall did not remove […]

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