Linux

Ubuntu 18.04 — unzip — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — unzip — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • September 12, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 12 September 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5673-1 Related CVEs: CVE-2021-4217 CVE-2022-0529 CVE-2022-0530 https://launchpad.net/bugs/1957077 CVE-2014-9913 CVE-2016-9844 CVE-2018-1000035 CVE-2018-18384  +1 more Upstream summary: It was discovered that unzip did not properly handle unicode strings under certain circumstances. If […]

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Oracle Linux 8 — apr-util — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — apr-util — vulnerability — patch and remediation guide (ELSA-2023-3109)

  • September 12, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 12 September 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3109 Related CVEs: CVE-2022-25147 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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SLES 12 — dpdk — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — dpdk — multiple vulnerabilities (15 CVEs) — patch and remediation guide

  • September 12, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 12 September 2022 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:3341-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-2132 CVE-2020-14374 CVE-2020-14375 CVE-2020-14376 CVE-2020-14377 CVE-2020-14378 CVE-2019-14818 CVE-2020-10722  +7 more Upstream summary: A permissive list of allowed inputs flaw was found in DPDK. This issue […]

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Rocky Linux 8 — mingw-zlib — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — mingw-zlib — vulnerability — patch and remediation guide

  • September 12, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2022:7813 Related CVEs: CVE-2018-25032 Upstream summary: The zlib packages provide a general-purpose lossless data compression library that is used by many different programs. Security Fix(es): * zlib: A flaw found […]

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Common Problems 117116

Ubuntu 22.04 Samba Share Permission Denied with POSIX ACL Mismatch

  • September 12, 2022
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 12 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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Configuração inicial de servidor com o CentOS 8 — step-by-step Linux tutorial on Progressive Robot

Configuração inicial de servidor com o CentOS 8

  • September 11, 2022
  • Linux
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Ao criar um novo servidor com CentOS 8 pela primeira vez, há alguns passos de configuração que você deve seguir logo no início – como parte da configuração básica. Isso aumentará a segurança e usabilidade do seu servidor e dará a você uma base sólida para as ações…

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AlmaLinux 9 — mingw-zlib — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — mingw-zlib — vulnerability — patch and remediation guide

  • September 11, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:8420 Related CVEs: CVE-2018-25032 Upstream summary: The zlib packages provide a general-purpose lossless data compression library that is used by many different programs. Security Fix(es): * zlib: A flaw found in zlib […]

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

Debian 11 — tuxonice-userui — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 11, 2022
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 11 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-1205 CVE-2010-2249 Upstream summary: Buffer overflow in pngpread.c in libpng before 1.2.44 and 1.4.x before 1.4.3, as used in progressive applications, might allow remote attackers to execute arbitrary […]

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How to Use Nginx's map Module on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How to Use Nginx’s map Module on CentOS 7

  • September 11, 2022
  • Linux
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When configuring a server for a website, there are some common conditional actions you may need to implement. For example, maybe some files should be cached by the user’s browser for longer than others, or some parts of the website should only be allowed via a secure…

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

Debian 11 — catimg — vulnerability — patch and remediation guide

  • September 11, 2022
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 11 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-13794 Upstream summary: A heap-based buffer overflow exists in stbi__bmp_load_cont in stb_image.h in catimg 2.4.0. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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