Systemd Services

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2026-50257)

🟠 High   ⏱ 15–60 min  Last verified: 22 July 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50257 Related CVEs: CVE-2026-43284 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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FreeBSD 15 — grub2-bhyve — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — grub2-bhyve — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: grub2-bhyve — multiple privilege escalations Upstream summary: Reno Robert reports: FreeBSD uses a two-process model for running a VM. For booting non-FreeBSD guests, a modified grub-emu is used (grub-bhyve). Grub-bhyve […]

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FreeBSD 15 — py35-salt — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py35-salt — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: salt — multiple vulnerabilities in salt-master process Related CVEs: CVE-2016-1866 CVE-2016-3176 CVE-2017-12791 CVE-2017-14695 CVE-2017-14696 CVE-2018-15750 CVE-2018-15751 CVE-2019-17361  +2 more Upstream summary: F-Secure reports: CVE-2020-11651 – Authentication bypass vulnerabilities The ClearFuncs […]

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Common Problems 115909

Ubuntu 26.04 LTS – unattended-upgrades causes sustained high CPU and I/O

🟡 Medium   ⏱ 5–30 min  Last verified: 21 July 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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FreeBSD 15 — postfix-policyd-weight — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — postfix-policyd-weight — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: postfix-policyd-weight — working directory symlink vulnerability Upstream summary: postfix-policyd-weight does not check for symlink for its working directory. If the working directory is not already setup by the super root, […]

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AlmaLinux 10 — python-pyasn1 — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 10

AlmaLinux 10 — python-pyasn1 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 10 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:3354 Related CVEs: CVE-2026-23490 Upstream summary: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to […]

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FreeBSD 15 — ppxp — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — ppxp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ppxp — local root exploit Related CVEs: CVE-2005-0392 Upstream summary: A Debian Advisory reports: Jens Steube discovered that ppxp, yet another PPP program, does not release root privileges when opening […]

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FreeBSD 15 — ssh — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — ssh — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: SSH.COM SFTP server — format string vulnerability Related CVEs: CVE-2006-0705 Upstream summary: SSH Communications Security Corp reports a format string vulnerability in their SFTP server. This vulnerability could cause a […]

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