Debian 11

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0372 CVE-2006-7221 Upstream summary: Directory traversal vulnerability in gftp before 2.0.18 for GTK+ allows remote malicious FTP servers to read arbitrary files via .. (dot dot) sequences in […]

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Debian 11 — os-prober — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — os-prober — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5135 Upstream summary: os-prober in os-prober 1.17 allows local users to overwrite arbitrary files via a symlink attack on the (1) /tmp/mounted-map or (2) /tmp/raided-map temporary file. NOTE: […]

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

Debian 11 — libfwsi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-17263 Upstream summary: In libyal libfwsi before 20191006, libfwsi_extension_block_copy_from_byte_stream in libfwsi_extension_block.c has a heap-based buffer over-read because rejection of an unsupported size only considers values less than 6, […]

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Debian 11 — telegram-desktop — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — telegram-desktop — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-10351 CVE-2018-17231 CVE-2018-17613 CVE-2018-17780 CVE-2019-10044 CVE-2020-12474 CVE-2020-17448 CVE-2021-27351  +2 more Upstream summary: Telegram Desktop 0.10.19 uses 0755 permissions for $HOME/.TelegramDesktop, which allows local users to obtain sensitive authentication […]

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How to Configure NetworkManager on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure NetworkManager on Debian 11

Introduction How to Configure NetworkManager on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye 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 11. This tutorial […]

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Common Problems 120579

Debian 11 ext4 Filesystem Mounts Read-Only After Errors

🔴 Critical   ⏱ 5–30 min  Last verified: 5 October 2022 Affected versions: Debian 11 📖 ~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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Debian 11 — fwsnort — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — fwsnort — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-0039 Upstream summary: Untrusted search path vulnerability in fwsnort before 1.6.4, when not running as root, allows local users to execute arbitrary code via a Trojan horse fwsnort.conf […]

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How to Install MariaDB on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install MariaDB on Debian 11 (DEBIAN-11-2)

Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up install mariadb on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each step carefully and the resulting […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 5 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-5254 CVE-2014-5255 Upstream summary: xcfa before 5.0.1 creates temporary files insecurely which could allow local users to launch a symlink attack and overwrite arbitrary files. Table of contents […]

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Debian 11 — v4l2loopback — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — v4l2loopback — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-2652 Upstream summary: Depending on the way the format strings in the card label are crafted it's possible to leak kernel stack memory. There is also the possibility […]

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