Linux

Debian 11 — python-requests-kerberos — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-requests-kerberos — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-8650 Upstream summary: python-requests-Kerberos through 0.5 does not handle mutual authentication Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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Debian 11 — git-extras — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — git-extras — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-6114 Upstream summary: The git-changelog utility in git-extras 1.7.0 allows local users to overwrite arbitrary files via a symlink attack on (1) /tmp/changelog or (2) /tmp/.git-effort. Table of […]

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Ubuntu 16.04 — wayland — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — wayland — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 May 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5614-2 Related CVEs: CVE-2021-3782 CVE-2017-16612 Upstream summary: USN-5614-1 fixed a vulnerability in Wayland. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: It was discovered that […]

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Ubuntu 18.04 — alpine — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — alpine — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 May 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7360-1 Related CVEs: CVE-2020-14929 CVE-2021-38370 CVE-2021-46853 Upstream summary: It was discovered that Alpine did not use a secure connection under certain circumstances. A remote attacker could possibly use this issue […]

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Debian 11 — krb5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — krb5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-0391 CVE-2002-1235 CVE-2002-2443 CVE-2003-0028 CVE-2003-0058 CVE-2003-0059 CVE-2003-0060 CVE-2003-0072  +12 more Upstream summary: Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or […]

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Common Problems 117138

Ubuntu 22.04 LTS – kubelet fails because swap is enabled – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 1 May 2022 Affected versions: Ubuntu 22.04 LTS (Jammy) 📖 ~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 & Hardening Related […]

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How to Install MariaDB on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Install MariaDB on CentOS Stream 9

Introduction This tutorial demonstrates how to Install MariaDB on CentOS Stream 9 on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system with the default AppStream […]

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AlmaLinux 8 — sblim-wbemcli — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — sblim-wbemcli — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2019:3482 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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AlmaLinux 8 — xorg-x11-xkb-utils — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — xorg-x11-xkb-utils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2020:4742 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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openSUSE Tumbleweed — cryptsetup — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — cryptsetup — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:0144-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-4122 CVE-2020-14382 Upstream summary: It was found that a specially crafted LUKS header could trick cryptsetup into disabling encryption during the recovery of the device. […]

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