Linux

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2022-9829)

🟠 High   ⏱ 15–60 min  Last verified: 18 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9829 Related CVEs: CVE-2022-21546 CVE-2022-1280 CVE-2021-3669 CVE-2022-2586 CVE-2022-21385 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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Oracle Linux 8 — linux-firmware — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — linux-firmware — vulnerability — patch and remediation guide (ELSA-2023-12714)

🟠 High   ⏱ 15–60 min  Last verified: 18 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12714 Related CVEs: CVE-2023-20569 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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Debian 11 — binutils — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — binutils — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 18 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-4807 CVE-2005-4808 CVE-2006-2362 CVE-2008-2310 CVE-2012-3509 CVE-2014-8484 CVE-2014-8485 CVE-2014-8501  +12 more Upstream summary: Stack-based buffer overflow in the as_bad function in messages.c in the GNU as (gas) assembler in […]

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How to Configure SNMP Monitoring on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure SNMP Monitoring on RHEL 9

SNMP (Simple Network Management Protocol) is the universal language of network device monitoring, supported by routers, switches, UPS units, printers, and hundreds of other appliances. On RHEL 9 you can both expose your Linux server as an SNMP agent and query remote devices from the command line. This tutorial covers installing net-snmp, writing a secure […]

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Debian 10 — gsasl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — gsasl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 January 2023 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-2469 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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Common Problems 117075

Ubuntu 22.04 LTS – Redis fails to bind expected interface – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 17 January 2023 Affected versions: Ubuntu 22.04 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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AlmaLinux 9 — speex — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — speex — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:7979 Related CVEs: CVE-2020-23903 Upstream summary: Speex is a patent-free compression format designed especially for speech. It is specialized for voice communications at low bit-rates. Security Fix(es): * speex: divide by zero […]

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Debian 11 — gnumail — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gnumail — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-1269 Upstream summary: GNUMail 1.1.2 and earlier does not properly use the –status-fd argument when invoking GnuPG, which prevents GNUMail from visually distinguishing between signed and unsigned portions […]

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Debian 11 — fastdds — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — fastdds — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-38425 CVE-2023-24010 CVE-2023-39534 CVE-2023-39945 CVE-2023-39946 CVE-2023-39947 CVE-2023-39948 CVE-2023-39949  +12 more Upstream summary: eProsima Fast DDS versions prior to 2.4.0 (#2269) are susceptible to exploitation when an attacker sends […]

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Debian 11 — terminology — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — terminology — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-8971 CVE-2018-20167 Upstream summary: Terminology 0.7.0 allows remote attackers to execute arbitrary commands via escape sequences that modify the window title and then are written to the terminal, […]

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CHAT