Linux

SLES 15 — python311-Flask-Security-Too — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python311-Flask-Security-Too — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 April 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2023-49438 Upstream summary: An open redirect vulnerability in the python package Flask-Security-Too <=5.3.2 allows attackers to redirect unsuspecting users to malicious sites via a crafted […]

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Oracle Linux 8 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2022-1705)

🟠 High   ⏱ 15–60 min  Last verified: 25 April 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1705 Related CVEs: CVE-2022-29916 CVE-2022-29912 CVE-2022-29914 CVE-2022-29917 CVE-2022-29909 CVE-2022-29911 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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openSUSE Tumbleweed — cmark — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — cmark — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2023-22484 CVE-2023-22486 Upstream summary: cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 are […]

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Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2022-9830)

🟠 High   ⏱ 15–60 min  Last verified: 25 April 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9830 Related CVEs: CVE-2022-2585 CVE-2022-2586 CVE-2022-34918 CVE-2022-2588 CVE-2022-21385 CVE-2022-21546 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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SLES 12 — shim — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

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

🟠 High   ⏱ 15–60 min  Last verified: 25 April 2023 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory ESSA-2025:0001 (see also SUSE bugzilla) Related CVEs: CVE-2023-40547 CVE-2022-28737 CVE-2020-10713 CVE-2023-40546 CVE-2023-40549 CVE-2023-40550 CVE-2023-40551 CVE-2023-40548  +4 more Upstream summary: A remote code execution vulnerability was found in Shim. The Shim boot support […]

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Gentoo Linux — sys-boot/grub — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-boot/grub — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202311-14 Related CVEs: CVE-2022-2601 CVE-2022-3775 CVE-2021-3695 CVE-2021-3696 CVE-2021-3697 CVE-2021-3981 CVE-2022-28733 CVE-2022-28734  +3 more Upstream summary: Multiple vulnerabilities have been discovered in GRUB. Please review the CVE identifiers referenced below for details. Table […]

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Oracle Linux 9 — skopeo — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — skopeo — security and stability fixes — required update (ELSA-2023-2283)

🟡 Medium   ⏱ 10–30 min  Last verified: 24 April 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2283 Related CVEs: CVE-2022-30629 CVE-2022-41717 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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openSUSE Tumbleweed — atheme — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — atheme — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:10018-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-24976 CVE-2014-9773 CVE-2016-4478 CVE-2017-6384 Upstream summary: Atheme IRC Services before 7.2.12, when used in conjunction with InspIRCd, allows authentication bypass by ending an IRC handshake […]

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Common Problems 114415

RHEL 9: systemctl Service Fails to Start After Update

🟡 Medium   ⏱ 5–30 min  Last verified: 24 April 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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openSUSE Tumbleweed — jsoup — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — jsoup — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:3027-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-36033 Upstream summary: jsoup is a Java HTML parser, built for HTML editing, cleaning, scraping, and cross-site scripting (XSS) safety. jsoup may incorrectly sanitize HTML […]

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CHAT