Common Problems

Ubuntu 22.04 — linux-gcp-6.2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-gcp-6.2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 18 February 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6635-1 Related CVEs: CVE-2023-37453 CVE-2023-39189 CVE-2023-39192 CVE-2023-39193 CVE-2023-42754 CVE-2023-5158 CVE-2023-5178 CVE-2023-5717  +12 more Upstream summary: It was discovered that the USB subsystem in the Linux kernel contained a race condition […]

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Ubuntu 18.04 — mod-wsgi — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — mod-wsgi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 February 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5551-1 Related CVEs: CVE-2022-2255 Upstream summary: It was discovered that mod-wsgi did not correctly remove the X-Client-IP header when processing requests from untrusted proxies. A remote attacker could use this […]

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SLES 15 — libcjose0 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libcjose0 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 18 February 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:3030-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-37464 Upstream summary: OpenIDC/cjose is a C library implementing the Javascript Object Signing and Encryption (JOSE). The AES GCM decryption routine incorrectly uses the Tag […]

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Oracle Linux 9 — grub2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — grub2 — vulnerability — patch and remediation guide (ELSA-2023-12019)

🟠 High   ⏱ 15–60 min  Last verified: 18 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12019 Related CVEs: CVE-2022-3775 CVE-2022-2601 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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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-2022-10081)

🟠 High   ⏱ 15–60 min  Last verified: 18 February 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-10081 Related CVEs: CVE-2022-2602 CVE-2022-3565 CVE-2022-4378 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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IBM AIX 7.3 — CVE-1999-0851 — denial of service — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-1999-0851 — denial of service — patch and remediation guide

🟢 Low   ⏱ 10–30 min  Last verified: 17 February 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-1999-0851, IBM PSIRT advisory page CVE: CVE-1999-0851 NVD summary: Denial of service in BIND named via naptr. References: ftp://ftp.caldera.com/pub/security/OpenLinux/CSS   sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=col   www.securityfocus.com/bid/788 Table of contents Symptom & Impact Environment & Reproduction […]

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Common Problems 124547

Oracle Linux 9 – Common Problem 009 – Diagnosis and Fix

🔴 Critical   ⏱ 5–30 min  Last verified: 17 February 2023 Affected versions: Oracle Linux 9 📖 ~3 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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FreeBSD 13 — py39-OWSLib — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py39-OWSLib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 February 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py39-OWSLib — arbitrary file read vulnerability Related CVEs: CVE-2023-27476 Upstream summary: Jorge Rosillo reports: OWSLib's XML parser (which supports both `lxml` and `xml.etree`) does not disable entity resolution for `lxml`, […]

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FreeBSD 13 — py38-wagtail — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py38-wagtail — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 February 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-wagtail — stored XSS vulnerability Related CVEs: CVE-2020-11001 CVE-2020-11037 CVE-2020-15118 CVE-2023-28836 CVE-2023-28837 Upstream summary: A stored cross-site scripting (XSS) vulnerability exists on ModelAdmin views within the Wagtail admin interface. A […]

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