Linux

SLES 12 — sane-backends — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — sane-backends — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 February 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:3065-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-12861 CVE-2020-12862 CVE-2020-12863 CVE-2020-12864 CVE-2020-12865 CVE-2020-12866 CVE-2020-12867 CVE-2017-6318 Upstream summary: A heap buffer overflow in SANE Backends before 1.0.30 allows a malicious device connected to […]

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Common Problems 117626

Ubuntu 20.04 Severe Slowdowns From Swap Thrashing

🟡 Medium   ⏱ 5–30 min  Last verified: 10 February 2021 📖 ~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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Common Problems 115616

RHEL 7 yum Cache Stale After Proxy Configuration Change

🟢 Low   ⏱ 5–30 min  Last verified: 10 February 2021 Affected versions: RHEL 7 📖 ~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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SLES 12 — libvirt — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libvirt — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 February 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:2969-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-25637 CVE-2021-4147 CVE-2013-4296 CVE-2017-1000256 CVE-2019-10132 CVE-2019-10161 CVE-2019-10166 CVE-2019-10167  +12 more Upstream summary: A double free memory issue was found to occur in the libvirt API, […]

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Oracle Linux 8 — varnish:6 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — varnish:6 — vulnerability — patch and remediation guide (ELSA-2021-2988)

🟠 High   ⏱ 15–60 min  Last verified: 10 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-2988 Related CVEs: CVE-2021-36740 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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Debian 10 — salt — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — salt — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 February 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-17361 CVE-2020-11651 CVE-2020-16846 CVE-2021-21996 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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How To Install and Use Recess on a VPS — step-by-step Linux tutorial on Progressive Robot

How To Install and Use Recess on a VPS

In this tutorial we will install Recess on a VPS running Ubuntu 12.04. You should already have your own virtual private server, as well as Node.js and NPM (Node Packaged Modules) installed.

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Oracle Linux 8 — ghostscript security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ghostscript security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-1852)

🟡 Medium   ⏱ 10–30 min  Last verified: 9 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1852 Related CVEs: CVE-2020-16292 CVE-2020-16294 CVE-2020-16306 CVE-2020-16287 CVE-2020-16307 CVE-2020-16298 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Amazon Linux 2 — squashfs-tools — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — squashfs-tools — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2152 Related CVEs: CVE-2015-4645 CVE-2015-4646 CVE-2021-40153 CVE-2021-41072 Upstream summary: Integer overflow in the read_fragment_table_4 function in unsquash-4.c in Squashfs and sasquatch allows remote attackers to cause a denial of service […]

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