ubuntu

Ubuntu 22.04 — amanda — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — amanda — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 October 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6614-1 Related CVEs: CVE-2023-30577 CVE-2022-37703 CVE-2022-37704 CVE-2022-37705 https://launchpad.net/bugs/2012536 Upstream summary: It was discovered that amanda did not properly check certain arguments. A local unprivileged attacker could possibly use this issue […]

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How to Set Up a Website Hit Counter With Redis and PHP on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up a Website Hit Counter With Redis and PHP on Ubuntu 20.04

A hit counter is an application that records and indicates the number of visits your web page has received. The counter starts from 1 and is incremented once every time a web page is visited. To keep track of the visits, the hit counter application requires a form of a database. To track your site visits, you require a Redis hash map. In this guide, you’ll set up a website hit counter with Redis and PHP on your Ubuntu 20.04 server.

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Ubuntu 20.04 — tcpreplay — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — tcpreplay — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 October 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7231-1 Related CVEs: CVE-2023-27783 CVE-2023-27784 CVE-2023-27785 CVE-2023-27786 CVE-2023-27787 CVE-2023-27788 CVE-2023-27789 CVE-2023-4256  +12 more Upstream summary: It was discovered that Tcpreplay incorrectly handled memory when using the tcprewrite utility. A remote […]

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Common Problems 116892

Ubuntu 22.04 LTS – apt lock prevents updates during maintenance windows – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 26 October 2023 Affected versions: Ubuntu 22.04 LTS 📖 ~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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Ubuntu 22.04 — python-openstackclient — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — python-openstackclient — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 October 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6668-1 Related CVEs: CVE-2023-6110 Upstream summary: It was discovered that when python-openstackclient attempted to delete a non-existing access rule, it would delete another existing access rule instead, contrary to expectations. […]

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Common Problems 117567

Ubuntu 20.04 LTS – snap refresh hangs and blocks package operations – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 24 October 2023 Affected versions: Ubuntu 20.04 LTS 📖 ~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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Ubuntu 18.04 — screen — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — screen — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 October 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6198-1 Related CVEs: CVE-2023-24626 CVE-2021-26937 Upstream summary: It was discovered that GNU Screen was not properly checking user identifiers before sending certain signals to target processes. If GNU Screen was […]

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Ubuntu 22.04 — swish-e — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — swish-e — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 October 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8240-1 Related CVEs: CVE-2022-25236 CVE-2022-25235 Upstream summary: It was discovered that Expat, vendored in Swish-e incorrectly handled certain files. An attacker could possibly use this issue to cause a crash […]

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Common Problems 117115

Ubuntu 22.04 LTS – Disk fills from runaway journald logs – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 24 October 2023 Affected versions: Ubuntu 22.04 LTS 📖 ~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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