Debian

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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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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Common Problems 120589

Debian 11 Sudo Stops Working for Admin Group

🟠 High   ⏱ 5–30 min  Last verified: 4 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 — rbdoom3bfg — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rbdoom3bfg — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-15007 Upstream summary: A buffer overflow in the M_LoadDefaults function in m_misc.c in id Tech 1 (aka Doom engine) allows arbitrary code execution via an unsafe usage of […]

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

Debian 11 — mpop — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-8337 Upstream summary: In msmtp 1.8.2 and mpop 1.4.3, when tls_trust_file has its default configuration, certificate-verification results are not properly checked. Table of contents Symptom & Impact Environment […]

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

Debian 11 — ruby-mechanize — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-21289 CVE-2022-31033 Upstream summary: Mechanize is an open-source ruby library that makes automated web interaction easy. In Mechanize from version 2.0.0 and before version 2.7.7 there is a […]

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Debian 11 — libconvert-asn1-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libconvert-asn1-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-7488 Upstream summary: perl-Convert-ASN1 (aka the Convert::ASN1 module for Perl) through 0.27 allows remote attackers to cause an infinite loop via unexpected input. Table of contents Symptom & […]

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