Linux

Debian 11 — foomatic-filters — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — foomatic-filters — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • September 30, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 30 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0801 CVE-2010-5325 CVE-2011-2697 CVE-2011-2923 CVE-2011-2924 CVE-2011-2964 CVE-2015-8327 CVE-2015-8560 Upstream summary: Unknown vulnerability in foomatic-rip in Foomatic before 3.0.2 allows local users or remote attackers with access to CUPS […]

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Ubuntu 16.04 — schroot — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — schroot — vulnerability — patch and remediation guide

  • September 30, 2022
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 30 September 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5584-1 Related CVEs: CVE-2022-2787 Upstream summary: It was discovered that Schroot incorrectly handled certain Schroot names. An attacker could possibly use this issue to break schroot's internal state causing a […]

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SLES 15 — libdpdk — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libdpdk — vulnerability — patch and remediation guide

  • September 30, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 30 September 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:4050-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-32166 Upstream summary: In ovs versions v0.90.0 through v2.5.0 are vulnerable to heap buffer over-read in flow.c. An unsafe comparison of “minimasks” function could lead […]

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Gentoo Linux — dev-db/percona-xtrabackup — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-db/percona-xtrabackup — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 30, 2022
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202408-15 Related CVEs: CVE-2022-25834 CVE-2022-26944 Upstream summary: Multiple vulnerabilities have been discovered in Percona XtraBackup. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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How to Set Up Suricata IDS/IPS on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Suricata IDS/IPS on Debian 11

  • September 30, 2022
  • Linux
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Introduction This guide explains how to Set Up Suricata IDS/IPS 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 […]

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AlmaLinux 9 — bzip2 — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — bzip2 — vulnerability — patch and remediation guide

  • September 29, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:0925 Related CVEs: CVE-2019-12900 Upstream summary: The bzip2 packages contain a freely available, high-quality data compressor. It provides both standalone compression and decompression utilities, as well as a shared library for use […]

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Common Problems 114603

RHEL 9 NFS mount unavailable after boot sequence

  • September 29, 2022
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 29 September 2022 📖 ~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 & Cross-Refs References & Further […]

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

Debian 11 — libdnf — vulnerability — patch and remediation guide

  • September 29, 2022
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 29 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3445 Upstream summary: A flaw was found in libdnf's signature verification functionality in versions before 0.60.1. This flaw allows an attacker to achieve code execution if they can […]

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Debian 11 — mujs — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mujs — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • September 29, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 29 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-22885 CVE-2020-22886 CVE-2021-33796 CVE-2021-33797 CVE-2021-45005 CVE-2022-30974 CVE-2022-30975 CVE-2022-44789 Upstream summary: Buffer overflow vulnerability in mujs before 1.0.8 due to recursion in the GC scanning phase, allows remote attackers […]

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