Ubuntu 20.04

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

Ubuntu 20.04 — linux-gke — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 July 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6312-1 Related CVEs: CVE-2020-36691 CVE-2022-0168 CVE-2022-1184 CVE-2022-27672 CVE-2022-4269 CVE-2023-0590 CVE-2023-1611 CVE-2023-1855  +12 more Upstream summary: It was discovered that the netlink implementation in the Linux kernel did not properly validate […]

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Ubuntu 20.04 — atril — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — atril — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 July 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7274-1 Related CVEs: CVE-2019-1010006 CVE-2019-11459 CVE-2023-51698 CVE-2023-52076 Upstream summary: It was discovered that Atril incorrectly handled certain PDF files. An attacker could possibly use this issue to cause a denial […]

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Ubuntu 20.04 — pysha3 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — pysha3 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 July 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6525-1 Related CVEs: CVE-2022-37454 Upstream summary: Nicky Mouha discovered that pysha incorrectly handled certain SHA-3 operations. An attacker could possibly use this issue to cause pysha3 to crash, resulting in […]

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How To Set Up a Video Streaming Server using Nginx-RTMP on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up a Video Streaming Server using Nginx-RTMP on Ubuntu 20.04

There are many use cases for streaming video. Service providers such as Twitch have become very popular for handling the community management aspects of streaming, and free software such as OBS is widely used for combining video from multiple stream sources. While these platforms are very powerful, in some cases you may want to be able to host a stream that does not rely on other service providers. In this tutorial, you will learn how to use Nginx to host an independent RTMP video stream.

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Ubuntu 20.04 — nvidia-graphics-drivers-450-server — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — nvidia-graphics-drivers-450-server — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 June 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5547-1 Related CVEs: CVE-2022-31607 CVE-2022-31608 CVE-2022-31615 CVE-2022-21813 CVE-2022-21814 CVE-2021-1093 CVE-2021-1094 CVE-2021-1095  +4 more Upstream summary: Le Wu discovered that the NVIDIA graphics drivers did not properly perform input validation in […]

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Ubuntu 20.04 — edk2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — edk2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 20 June 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7060-1 Related CVEs: CVE-2019-0161 CVE-2021-28210 CVE-2021-28211 CVE-2021-38575 CVE-2021-38578 CVE-2022-1292 CVE-2022-36763 CVE-2022-36764  +12 more Upstream summary: It was discovered that EDK II did not check the buffer length in XHCI, which […]

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Common Problems 117437

Ubuntu 20.04 /boot Partition Full

🟡 Medium   ⏱ 5–30 min  Last verified: 19 June 2023 📖 ~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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Ubuntu 20.04 — python-openstackclient — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — python-openstackclient — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 June 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~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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Ubuntu 20.04 — libwebp — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libwebp — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 18 June 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6369-1 Related CVEs: CVE-2023-4863 CVE-2023-1999 CVE-2018-25009 CVE-2018-25010 CVE-2018-25011 CVE-2018-25012 CVE-2018-25013 CVE-2018-25014  +5 more Upstream summary: It was discovered that libwebp incorrectly handled certain malformed images. If a user or automated […]

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