Systemd Services

Common Problems 116109

Ubuntu 26.04 LTS – Docker overlay2 fills root disk and containers fail to start

🟠 High   ⏱ 5–30 min  Last verified: 5 August 2026 Affected versions: Ubuntu 26.04 LTS Ubuntu 26.04 Ubuntu 26.04.1 📖 ~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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Amazon Linux 2023 — alsa-lib — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — alsa-lib — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2026-1426 Related CVEs: CVE-2026-25068 Upstream summary: alsa-lib versions 1.2.2 up to and including 1.2.15.2, prior to commit 5f7fe33, contain a heap-based buffer overflow in the topology mixer control decoder. The […]

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Amazon Linux 2023 — gvfs — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — gvfs — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2026-1475 Related CVEs: CVE-2026-28295 CVE-2026-28296 Upstream summary: A flaw was found in the FTP GVfs backend. A malicious FTP server can exploit this vulnerability by providing an arbitrary IP address […]

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FreeBSD 15 — php4-dba — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — php4-dba — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 August 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — ini database truncation inside dba_replace() function Related CVEs: CVE-2008-7068 Upstream summary: securityfocus research reports: A bug that leads to the emptying of the INI file contents if the […]

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Amazon Linux 2023 — xorg-x11-server-Xwayland — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — xorg-x11-server-Xwayland — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2026-1613 Related CVEs: CVE-2026-33999 CVE-2026-34000 CVE-2026-34001 CVE-2026-34002 CVE-2026-34003 CVE-2025-62229 CVE-2025-62230 CVE-2025-62231  +12 more Upstream summary: XKB Integer Underflow in XkbSetCompatMap() (CVE-2026-33999) XKB Out-of-bounds Read in CheckSetGeom() (CVE-2026-34000) XSYNC Use-after-free in […]

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Amazon Linux 2023 — kernel-livepatch-6.1.163-186.299 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.1.163-186.299 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023LIVEPATCH-2026-148 Related CVEs: CVE-2026-43284 CVE-2026-31431 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags "Dirty Frag" and other […]

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FreeBSD 15 — php73-exif — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — php73-exif — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 August 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PHP — Multiple vulnerabilities in EXIF module Related CVEs: CVE-2019-11034 CVE-2019-11035 Upstream summary: The PHP project reports: Heap-buffer-overflow in php_ifd_get32s (CVE-2019-11034) Heap-buffer-overflow in exif_iif_add_value (CVE-2019-11035) Table of contents Symptom & […]

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FreeBSD 15 — php72-exif — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — php72-exif — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 August 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PHP — Multiple vulnerabilities in EXIF module Related CVEs: CVE-2019-11034 CVE-2019-11035 Upstream summary: The PHP project reports: Heap-buffer-overflow in php_ifd_get32s (CVE-2019-11034) Heap-buffer-overflow in exif_iif_add_value (CVE-2019-11035) Table of contents Symptom & […]

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How to Configure Postfix Mail Server on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure Postfix Mail Server on FreeBSD 15

Introduction Deploying configure postfix mail server on a FreeBSD 15 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base + ports […]

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openSUSE Tumbleweed — himmelblau — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — himmelblau — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-FU-2026:20990-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-31979 CVE-2025-54882 CVE-2026-34397 CVE-2025-53013 CVE-2024-11738 Upstream summary: Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. Prior to 3.1.0 and 2.3.8, the […]

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