🟠 High ⏱ 15–60 min Last verified: 29 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2005-0876 CVE-2005-0877 CVE-2006-2017 CVE-2008-1447 CVE-2008-3214 CVE-2008-3350 CVE-2009-2957 CVE-2009-2958 +12 more Upstream summary: Off-by-one buffer overflow in Dnsmasq before 2.21 may allow attackers to execute arbitrary code via the […]
In this guide, we will secure the Concourse CI interfaces by setting up a TLS/SSL reverse proxy with Nginx. While Concourse can be configured to use SSL natively, a reverse proxy provides more flexibility for future scaling and access to a more robust feature set.
🟡 Medium ⏱ 10–30 min Last verified: 29 August 2022 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-1821 Related CVEs: CVE-2021-3733 CVE-2021-43818 CVE-2022-0391 CVE-2021-3737 CVE-2021-4189 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]
Introduction How to Perform a CIS Benchmark Audit on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]
🟡 Medium ⏱ 10–30 min Last verified: 28 August 2022 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-4508 Related CVEs: CVE-2019-20387 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟠 High ⏱ 5–30 min Last verified: 28 August 2022 Affected versions: Debian 11 📖 ~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 & […]
🟠 High ⏱ 5–30 min Last verified: 28 August 2022 Affected versions: RHEL 7 📖 ~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 & […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2020:4522 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
🟢 Low ⏱ 5–15 min Last verified: 28 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2008-2958 CVE-2020-25031 Upstream summary: Race condition in (1) checkinstall 1.6.1 and (2) installwatch allows local users to overwrite arbitrary files and have other impacts via symlink and possibly […]
🟠 High ⏱ 15–60 min Last verified: 28 August 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5485-1 Related CVEs: CVE-2022-21123 CVE-2022-21125 CVE-2022-21166 CVE-2022-1158 CVE-2022-1966 CVE-2022-1972 CVE-2022-21499 CVE-2022-24958 +12 more Upstream summary: It was discovered that some Intel processors did not completely perform cleanup actions on multi-core […]
