Logging Monitoring

Amazon Linux 2 — kernel-livepatch-5.10.59-52.142 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.59-52.142 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2021-067 Related CVEs: CVE-2021-41073 Upstream summary: No CVE associated with this advisory Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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How to Configure PgBouncer Connection Pooling on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure PgBouncer Connection Pooling on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure pgbouncer connection pooling on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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Debian 11 — rust-arc-swap — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rust-arc-swap — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-35711 Upstream summary: An issue has been discovered in the arc-swap crate before 0.4.8 (and 1.x before 1.1.0) for Rust. Use of arc_swap::access::Map with the Constant test helper […]

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Debian 11 — libxcursor — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libxcursor — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-2003 CVE-2015-9262 CVE-2017-16612 Upstream summary: Integer overflow in X.org libXcursor 1.1.13 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors […]

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openSUSE Tumbleweed — nanopb-devel — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — nanopb-devel — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2020-26243 CVE-2020-5235 CVE-2021-21401 Upstream summary: Nanopb is a small code-size Protocol Buffers implementation. In Nanopb before versions 0.4.4 and 0.3.9.7, decoding specifically formed message can leak memory if dynamic […]

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Debian 11 — unace — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — unace — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0160 CVE-2005-0161 CVE-2015-2063 Upstream summary: Multiple buffer overflows in unace 1.2b allow attackers to execute arbitrary code via (1) 2 overflows in ACE archives, (2) a long command […]

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FreeBSD 13 — libXp — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

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

🟠 High   ⏱ 15–60 min  Last verified: 14 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xorg — protocol handling issues in X Window System client libraries 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: freedesktop.org reports: Ilja van Sprundel, […]

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openSUSE Tumbleweed — newlib — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — newlib — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-3420 Upstream summary: A flaw was found in newlib in versions prior to 4.0.0. Improper overflow validation in the memory allocation functions mEMALIGn, pvALLOc, nano_memalign, […]

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How to Back Up PostgreSQL with pg_dump and pg_basebackup on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Back Up PostgreSQL with pg_dump and pg_basebackup on RHEL 7

How to Back Up PostgreSQL with pg_dump and pg_basebackup on RHEL 7 A reliable backup strategy is one of the most critical operational requirements for any PostgreSQL deployment. On RHEL 7, PostgreSQL provides several complementary backup tools suited to different recovery scenarios: pg_dump for logical, per-database backups that can be restored selectively; pg_dumpall for capturing […]

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Oracle Linux 8 — NetworkManager — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — NetworkManager — security and stability fixes — required update (ELSA-2020-3011)

🟡 Medium   ⏱ 10–30 min  Last verified: 13 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-3011 Related CVEs: CVE-2020-10754 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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