April 2022 - Page 12 of 70

Ubuntu 20.04 — wireshark — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — wireshark — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7552-1 Related CVEs: CVE-2021-4185 CVE-2022-0582 CVE-2022-0586 CVE-2022-3190 CVE-2021-4182 CVE-2022-0585 CVE-2021-39929 CVE-2021-4186  +7 more Upstream summary: It was discovered that Wireshark did not correctly handle recursion. If a user or system […]

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CentOS Stream 9 — usbguard — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — usbguard — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2023:0303 Related CVEs: CVE-2019-25058 Upstream summary: The USBGuard software framework provides system protection against intrusive USB devices by implementing basic whitelisting and blacklisting capabilities based on device attributes. To enforce a […]

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SLES 15 — apache2-mod_wsgi — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — apache2-mod_wsgi — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-RU-2015:0611-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-0240 CVE-2022-2255 Upstream summary: The mod_wsgi module before 3.5 for Apache, when daemon mode is enabled, does not properly handle error codes returned by setuid […]

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Oracle Linux 8 — java-11-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-11-openjdk — vulnerability — patch and remediation guide (ELSA-2021-3891)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3891 Related CVEs: CVE-2021-35564 CVE-2021-35559 CVE-2021-35603 CVE-2021-35561 CVE-2021-35556 CVE-2021-35550 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 8 — httpd:2.4 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — httpd:2.4 — vulnerability — patch and remediation guide (ELSA-2022-9682)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9682 Related CVEs: CVE-2022-31813 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 — maven:3.6 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — maven:3.6 — vulnerability — patch and remediation guide (ELSA-2022-4797)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4797 Related CVEs: CVE-2022-29599 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 — dnsmasq security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dnsmasq security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-1715)

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1715 Related CVEs: CVE-2019-14834 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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AlmaLinux 8 — scl-utils — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — scl-utils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1959 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Common Problems 122552

Jail Networking Stops After Host Reboot

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: FreeBSD 14 📖 ~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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CHAT