Linux

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 5 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-4409 CVE-2012-4426 CVE-2012-4527 Upstream summary: Stack-based buffer overflow in the check_file_head function in extra.c in mcrypt 2.6.8 and earlier allows user-assisted remote attackers to execute arbitrary code via […]

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Debian 11 — logrotate — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — logrotate — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-1098 CVE-2011-1154 CVE-2011-1155 CVE-2011-1548 CVE-2022-1348 Upstream summary: Race condition in the createOutputFile function in logrotate.c in logrotate 3.7.9 and earlier allows local users to read log data by […]

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Common Problems 117129

Ubuntu 22.04 LTS – unattended-upgrades hangs and blocks maintenance windows

🟠 High   ⏱ 5–30 min  Last verified: 5 May 2022 Affected versions: Ubuntu 22.04 LTS Ubuntu 22.04 Ubuntu 22.04.4 📖 ~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 […]

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AlmaLinux 8 — libmad — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libmad — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2020:1631 Related CVEs: CVE-2018-7263 Upstream summary: The GStreamer library provides a streaming media framework based on graphs of media data filters. The libmad package is an MPEG audio decoder capable of 24-bit […]

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How to Set Up Database Backups with Percona XtraBackup on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up Database Backups with Percona XtraBackup on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying set up database backups with percona xtrabackup on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Database Backups with Percona XtraBackup on CentOS Stream 9, including dnf module streams where applicable, systemd […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 4 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0085 CVE-2007-6110 Upstream summary: Cross-site scripting (XSS) vulnerability in ht://dig (htdig) before 3.1.6-r7 allows remote attackers to execute arbitrary web script or HTML via the config parameter, which […]

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Debian 11 — vsftpd — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — vsftpd — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0042 CVE-2004-2259 CVE-2011-0762 CVE-2011-2189 CVE-2015-1419 CVE-2021-3618 Upstream summary: vsftpd 1.1.3 generates different error messages depending on whether or not a valid username exists, which allows remote attackers to […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 4 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-4523 CVE-2012-4566 CVE-2021-32642 Upstream summary: radsecproxy before 1.6.1 does not properly verify certificates when there are configuration blocks with CA settings that are unrelated to the block being […]

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openSUSE Tumbleweed — virt-v2v — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — virt-v2v — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:3271-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-2211 Upstream summary: A vulnerability was found in libguestfs. This issue occurs while calculating the greatest possible number of matching keys in the get_keys() function. […]

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

Debian 11 — patchelf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-44940 Upstream summary: Patchelf v0.9 was discovered to contain an out-of-bounds read via the function modifyRPath at src/patchelf.cc. Table of contents Symptom & Impact Environment & Reproduction Root […]

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