Linux

Alpine Linux 3.18 — sofia-sip — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — sofia-sip — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.13.8-r0 📖 ~4 min read  •  Source: Alpine secdb entry — sofia-sip 1.13.8-r0 Related CVEs: CVE-2022-31001 CVE-2022-31002 CVE-2022-31003 CVE-2023-22741 Upstream summary: Alpine main repository for vv3.18 ships sofia-sip 1.13.8-r0 which addresses CVE-2022-31001. Table of contents Symptom […]

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Oracle Linux 9 — httpd and mod_http2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — httpd and mod_http2 — vulnerability — patch and remediation guide (ELSA-2023-1670)

🟠 High   ⏱ 15–60 min  Last verified: 1 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-1670 Related CVEs: CVE-2023-25690 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 — go-toolset:ol8addon — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — go-toolset:ol8addon — vulnerability — patch and remediation guide (ELSA-2022-14857)

🟠 High   ⏱ 15–60 min  Last verified: 1 June 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-14857 Related CVEs: CVE-2022-24921 CVE-2022-23772 CVE-2022-23773 CVE-2022-23806 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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

Oracle Linux 9 — firefox — vulnerability — patch and remediation guide (ELSA-2022-5767)

🟠 High   ⏱ 15–60 min  Last verified: 1 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5767 Related CVEs: CVE-2022-36318 CVE-2022-2505 CVE-2022-36319 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Alpine Linux 3.18 — protobuf-c — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — protobuf-c — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.4.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — protobuf-c 1.4.1-r0 Related CVEs: CVE-2022-33070 CVE-2021-3121 Upstream summary: Alpine main repository for vv3.18 ships protobuf-c 1.4.1-r0 which addresses CVE-2022-33070. Table of contents Symptom & Impact […]

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Gentoo Linux — net-libs/libssh — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-libs/libssh — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202312-16 Related CVEs: CVE-2023-6004 CVE-2023-48795 CVE-2021-3634 CVE-2023-1667 CVE-2023-2283 CVE-2020-16135 CVE-2019-14889 CVE-2020-1730 Upstream summary: Multiple vulnerabilities have been discovered in libssh. Please review the CVE identifiers referenced below for details. Table of contents […]

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How To Manage Sorted Sets in Redis — step-by-step Linux tutorial on Progressive Robot

How To Manage Sorted Sets in Redis

In Redis, sorted sets are a data type similar to sets in that both are non repeating groups of strings. The difference is that each member of a sorted set is associated with a score, allowing them to be sorted or ranked from the smallest score to the greatest. This tutorial explains how to create sorted sets, retrieve and remove their members, and create new sorted sets from existing ones.

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How to Detect Rootkits with rkhunter and chkrootkit on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Detect Rootkits with rkhunter and chkrootkit on RHEL 9

Rootkits are among the most dangerous forms of malware — they conceal themselves and other malicious software deep within the operating system, often modifying system binaries and kernel modules to hide their presence from standard tools. Detecting rootkits requires specialised scanners that check for known signatures, hidden files, suspicious processes, and tampered system binaries. This […]

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Ubuntu 18.04 — node-css-what — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — node-css-what — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 May 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6065-1 Related CVEs: CVE-2021-33587 CVE-2022-21222 Upstream summary: It was discovered that css-what incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]

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Amazon Linux 2 — qt — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — qt — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2020-1574 Related CVEs: CVE-2020-17507 CVE-2023-38197 CVE-2023-32573 CVE-2023-34410 CVE-2018-15518 CVE-2018-19869 CVE-2018-19870 CVE-2018-19871  +2 more Upstream summary: An issue was discovered in Qt through 5.12.9, and 5.13.x through 5.15.x before 5.15.1. read_xbm_body […]

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