Debian 11

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

Debian 11 — fdupes — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-48682 Upstream summary: In deletefiles in FDUPES before 2.2.0, a TOCTOU race condition allows arbitrary file deletion via a symlink. Table of contents Symptom & Impact Environment & […]

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

Debian 11 — passportjs — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-25896 Upstream summary: This affects the package passport before 0.6.0. When a user logs in or logs out, the session is regenerated instead of being closed. Table of […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 20 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-2404 CVE-2009-2408 CVE-2009-2409 CVE-2009-3555 CVE-2010-3170 CVE-2010-3173 CVE-2011-3389 CVE-2011-3640  +12 more Upstream summary: Heap-based buffer overflow in a regular-expression parser in Mozilla Network Security Services (NSS) before 3.12.3, as […]

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

Debian 11 — acl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-4411 Upstream summary: The (1) setfacl and (2) getfacl commands in XFS acl 2.2.47, when running in recursive (-R) mode, follow symbolic links even when the –physical (aka […]

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Debian 11 — munin — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — munin — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-2103 CVE-2012-2104 CVE-2012-2147 CVE-2012-3512 CVE-2012-3513 CVE-2012-4678 CVE-2013-6048 CVE-2013-6359  +1 more Upstream summary: The qmailscan plugin for Munin 1.4.5 allows local users to overwrite arbitrary files via a symlink […]

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

Debian 11 — zutils — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-1000637 Upstream summary: zutils version prior to version 1.8-pre2 contains a Buffer Overflow vulnerability in zcat that can result in Potential denial of service or arbitrary code execution. […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 19 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0048 CVE-2003-0069 CVE-2004-1008 CVE-2004-1440 CVE-2005-0467 CVE-2006-7162 CVE-2011-4607 CVE-2013-4206  +12 more Upstream summary: PuTTY 0.53b and earlier does not clear logon credentials from memory, including plaintext passwords, which could […]

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

How to Install Portainer on Debian 11

Introduction This guide explains how to Install Portainer on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the standard repositories […]

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Debian 11 — golang-1.15 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — golang-1.15 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-15586 CVE-2020-16845 CVE-2020-24553 CVE-2020-28362 CVE-2020-28366 CVE-2020-28367 CVE-2020-29509 CVE-2020-29510  +12 more Upstream summary: Go before 1.13.13 and 1.14.x before 1.14.5 has a data race in some net/http servers, as […]

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Common Problems 120638

Debian 11 – ext4 filesystem remounts read-only after I/O errors

🔴 Critical   ⏱ 5–30 min  Last verified: 18 April 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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