Linux

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

Oracle Linux 9 — runc — vulnerability — patch and remediation guide (ELSA-2024-9200)

🟡 Medium   ⏱ 10–30 min  Last verified: 22 April 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-9200 Related CVEs: CVE-2024-24788 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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Alpine Linux 3.18 — perl-image-exiftool — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — perl-image-exiftool — 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 12.40-r0 📖 ~4 min read  •  Source: Alpine secdb entry — perl-image-exiftool 12.40-r0 Related CVEs: CVE-2022-23935 CVE-2021-22204 Upstream summary: Alpine community repository for vv3.18 ships perl-image-exiftool 12.40-r0 which addresses CVE-2022-23935. Table of contents Symptom & Impact […]

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Debian 12 — vim — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — vim — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 April 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1377 CVE-2004-1138 CVE-2005-0069 CVE-2005-2368 CVE-2007-2438 CVE-2007-2953 CVE-2008-2712 CVE-2008-3074  +12 more Upstream summary: vim 6.0 and 6.1, and possibly other versions, allows attackers to execute arbitrary commands using the […]

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How to Configure iptables Firewall Rules on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure iptables Firewall Rules on RHEL 9

iptables has been the standard Linux packet-filtering firewall for over two decades, and while RHEL 9 ships with nftables and firewalld as the preferred tools, iptables remains available and is widely understood by seasoned administrators. Learning iptables gives you deep insight into how Linux netfilter works and is valuable for managing legacy systems or containers […]

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AlmaLinux 9 — OpenIPMI — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — OpenIPMI — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:8037 Related CVEs: CVE-2024-42934 Upstream summary: The OpenIPMI packages provide command-line tools and utilities to access platform information using Intelligent Platform Management Interface (IPMI). System administrators can use OpenIPMI to manage systems […]

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Debian 12 — procmail — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — procmail — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 April 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-3618 CVE-2017-16844 Upstream summary: Heap-based buffer overflow in formisc.c in formail in procmail 3.22 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary […]

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Debian 12 — singular — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — singular — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 April 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-40299 Upstream summary: In Singular before 4.3.1, a predictable /tmp pathname is used (e.g., by sdb.cc), which allows local users to gain the privileges of other users via […]

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openSUSE Tumbleweed — libqb100 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libqb100 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:3727-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-39976 CVE-2019-12779 Upstream summary: log_blackbox.c in libqb before 2.0.8 allows a buffer overflow via long log messages because the header size is not considered. Table […]

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Debian 12 — libexif — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libexif — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 April 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0664 CVE-2006-4168 CVE-2007-2645 CVE-2007-6351 CVE-2007-6352 CVE-2009-3895 CVE-2012-2812 CVE-2012-2813  +12 more Upstream summary: Buffer overflow in the EXIF library (libexif) 0.6.9 does not properly validate the structure of the […]

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Rocky Linux 8 — python-jinja2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — python-jinja2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2023:7050 Related CVEs: CVE-2007-4559 CVE-2023-32681 CVE-2020-10735 CVE-2021-28861 CVE-2022-45061 Upstream summary: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and […]

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