Linux

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

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

🟠 High   ⏱ 15–60 min  Last verified: 15 July 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-1028 CVE-2011-4124 CVE-2011-4125 CVE-2011-4126 CVE-2016-10187 CVE-2018-7889 CVE-2021-44686 CVE-2023-46303  +12 more Upstream summary: Integer overflow in the decompression functionality in the Web Open Fonts Format (WOFF) decoder in Mozilla […]

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Common Problems 120179

Debian 12: RAID array degraded after disk replacement

🔴 Critical   ⏱ 5–30 min  Last verified: 15 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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Ubuntu 20.04 — advancecomp — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — advancecomp — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 July 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5838-1 Related CVEs: CVE-2022-35014 CVE-2022-35015 CVE-2022-35016 CVE-2022-35017 CVE-2022-35018 CVE-2022-35019 CVE-2022-35020 Upstream summary: It was discovered that AdvanceCOMP did not properly manage memory while performing read operations on MNG file. If […]

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How to Set Up NFS Server and Client on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up NFS Server and Client on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up set up nfs server and client on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step […]

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Ubuntu 20.04 — sofia-sip — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — sofia-sip — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 July 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6448-1 Related CVEs: CVE-2023-32307 CVE-2022-31001 CVE-2022-31002 CVE-2022-31003 CVE-2022-47516 CVE-2023-22741 Upstream summary: Xu Biang discovered that Sofia-SIP did not properly manage memory when handling STUN packets. An attacker could use this […]

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Oracle Linux 8 — python38:3.8 and python38-devel:3.8 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python38:3.8 and python38-devel:3.8 — vulnerability — patch and remediation guide (ELSA-2023-3781)

🟠 High   ⏱ 15–60 min  Last verified: 15 July 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3781 Related CVEs: CVE-2023-24329 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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

Oracle Linux 9 — cups — vulnerability — patch and remediation guide (ELSA-2022-4990)

🟠 High   ⏱ 15–60 min  Last verified: 15 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4990 Related CVEs: CVE-2022-26691 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Oracle Linux 8 — python27:2.7 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python27:2.7 — vulnerability — patch and remediation guide (ELSA-2023-2860)

🟡 Medium   ⏱ 10–30 min  Last verified: 15 July 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2860 Related CVEs: CVE-2022-45061 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Amazon Linux 2023 — kernel-livepatch-6.1.25-37.47 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.1.25-37.47 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023LIVEPATCH-2023-019 Related CVEs: CVE-2023-2156 CVE-2023-3090 CVE-2023-35788 CVE-2022-48425 CVE-2023-32233 Upstream summary: A flaw was found in the Linux kernel's networking subsystem within the RPL protocol's handling. This issue results from the […]

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Debian 12 — libgadu — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libgadu — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-4776 CVE-2013-4488 CVE-2013-6487 CVE-2014-3775 Upstream summary: libgadu before 1.8.2 allows remote servers to cause a denial of service (crash) via a contact description with a large length, which […]

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