Operations

openSUSE Tumbleweed — libdxfrw1 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libdxfrw1 — 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 advisory openSUSE-SU-2022:0067-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-21898 CVE-2021-21899 CVE-2021-21900 Upstream summary: A code execution vulnerability exists in the dwgCompressor::decompress18() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to […]

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Debian 11 — libxxf86dga — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libxxf86dga — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-1991 CVE-2013-2000 Upstream summary: Multiple integer overflows in X.org libXxf86dga 1.1.3 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors […]

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Ubuntu 18.04 — libsepol — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libsepol — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 January 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5391-1 Related CVEs: CVE-2021-36084 CVE-2021-36085 CVE-2021-36086 CVE-2021-36087 Upstream summary: Nicolas Iooss discovered that libsepol incorrectly handled memory when handling policies. An attacker could possibly use this issue to cause a […]

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How to Configure PostgreSQL High Availability with Patroni on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure PostgreSQL High Availability with Patroni on SLES 15

Introduction This tutorial covers How to Configure PostgreSQL High Availability with Patroni on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to […]

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IBM AIX 7.1 — CVE-2021-29888 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2021-29888 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 24 January 2022 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2021-29888, IBM Support Bulletin CVE: CVE-2021-29888 NVD summary: IBM InfoSphere Information Server 11.7 is vulnerable to cross-site request forgery which could allow an attacker to execute malicious and unauthorized actions transmitted from […]

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IBM AIX 7.3 — CVE-2006-5009 — buffer overflow — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2006-5009 — buffer overflow — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 24 January 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2006-5009, IBM Support Bulletin CVE: CVE-2006-5009 NVD summary: Unspecified vulnerability in xlock in IBM AIX 5.2.0 and 5.3.0 allows local users to execute arbitrary commands and overwrite arbitrary files via unspecified vectors, […]

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Debian 11 — nvidia-graphics-drivers-tesla-470 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — nvidia-graphics-drivers-tesla-470 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-21813 CVE-2022-21814 CVE-2022-28181 CVE-2022-28183 CVE-2022-28184 CVE-2022-28185 CVE-2022-28191 CVE-2022-28192  +12 more Upstream summary: NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel driver, where improper handling […]

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How to Configure Nginx as a Reverse Proxy on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Nginx as a Reverse Proxy on FreeBSD 13

Introduction How to Configure Nginx as a Reverse Proxy on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf […]

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IBM AIX 7.3 — CVE-2002-1550 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2002-1550 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 23 January 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2002-1550, IBM PSIRT advisory page CVE: CVE-2002-1550 NVD summary: dump_smutil.sh in IBM AIX allows local users to overwrite arbitrary files via a symlink attack on temporary files. References: archives.neohapsis.com/archives/aix/2002-q4/0002   www.securityfocus.com/bid/8802   […]

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