Linux

SLES 15 — cmark — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — cmark — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 July 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:1834-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-22486 Upstream summary: cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 contain a […]

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Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide (ELSA-2023-4955)

🟠 High   ⏱ 15–60 min  Last verified: 24 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-4955 Related CVEs: CVE-2023-4573 CVE-2023-4577 CVE-2023-4578 CVE-2023-4051 CVE-2023-4581 CVE-2023-4583 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Alpine Linux 3.18 — libslirp — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — libslirp — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 4.6.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libslirp 4.6.0-r0 Related CVEs: CVE-2021-3592 CVE-2021-3593 CVE-2021-3594 CVE-2021-3595 CVE-2020-29129 CVE-2020-29130 CVE-2020-10756 CVE-2020-1983 Upstream summary: Alpine community repository for vv3.18 ships libslirp 4.6.0-r0 which addresses CVE-2021-3592. […]

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Rocky Linux 8 — babel — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — babel — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2023:5994 Related CVEs: CVE-2023-40217 CVE-2023-32681 CVE-2007-4559 CVE-2020-10735 CVE-2021-28861 CVE-2022-45061 Upstream summary: Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic data types, and dynamic […]

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Common Problems 120141

Debian 12 – swap is inactive after reboot and memory pressure spikes

🟡 Medium   ⏱ 5–30 min  Last verified: 24 July 2023 Affected versions: Debian 12 📖 ~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 Errors & […]

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How to Configure Ceph Storage Cluster on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Ceph Storage Cluster on Debian 12

Introduction How to Configure Ceph Storage Cluster on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. […]

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Oracle Linux 9 — kernel security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-8267)

🟡 Medium   ⏱ 10–30 min  Last verified: 23 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-8267 Related CVEs: CVE-2022-1184 CVE-2022-28893 CVE-2022-23816 CVE-2022-21499 CVE-2022-39190 CVE-2022-2639 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Debian 12 — html5lib — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — html5lib — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-9909 CVE-2016-9910 Upstream summary: The serializer in html5lib before 0.99999999 might allow remote attackers to conduct cross-site scripting (XSS) attacks by leveraging mishandling of the < (less than) […]

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Debian 12 — jhead — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — jhead — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-4575 CVE-2008-4639 CVE-2008-4640 CVE-2008-4641 CVE-2016-3822 CVE-2018-16554 CVE-2018-17088 CVE-2018-6612  +12 more Upstream summary: Buffer overflow in the DoCommand function in jhead before 2.84 might allow context-dependent attackers to cause […]

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Debian 12 — tt-rss — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — tt-rss — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-1000035 CVE-2017-16896 CVE-2020-25787 CVE-2020-25788 CVE-2020-25789 Upstream summary: Tiny Tiny RSS before 829d478f is vulnerable to XSS window.opener attack Table of contents Symptom & Impact Environment & Reproduction Root […]

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