Common Problems

Common Problems 114574

Filesystem Full Under /var on RHEL 9

🟡 Medium   ⏱ 5–30 min  Last verified: 20 February 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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IBM AIX 7.3 — CVE-2021-39085 — sql injection — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2021-39085 — sql injection — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 20 February 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2021-39085, IBM Support Bulletin CVE: CVE-2021-39085 NVD summary: IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.5, 6.1.0.0 through 6.1.0.4, and 6.1.1.0 through 6.1.1.1 is vulnerable to SQL injection. A remote attacker […]

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FreeBSD 13 — librecad — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — librecad — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 February 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: librecad — out-of-bounds read in importshp plugin Related CVEs: CVE-2023-30259 Upstream summary: Albin Eldstål-Ahrens reports: An out-of-bounds read on a heap buffer in the importshp plugin may allow an attacker […]

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FreeBSD 12 — jellyfin — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — jellyfin — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 February 2023 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: jellyfin — Multiple vulnerabilities Related CVEs: CVE-2023-30626 CVE-2023-30627 Upstream summary: [email protected] reports: Jellyfin is a free-software media system. Versions starting with 10.8.0 and prior to 10.8.10 and prior have a […]

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Common Problems 111868

Windows Server 2022 — DFS Namespace referrals failing after AD site subnet change — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 February 2023 Affected versions: Windows Server 2022 📖 ~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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Amazon Linux 2 — kernel-livepatch-4.14.320-243.544 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.320-243.544 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2023-154 Related CVEs: CVE-2023-4206 CVE-2023-4207 CVE-2023-4208 CVE-2023-4622 CVE-2023-4623 CVE-2023-4921 Upstream summary: A use-after-free vulnerability in the Linux kernel's net/sched: cls_route component can be exploited to achieve local privilege escalation. When […]

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Debian 11 — libguestfs — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libguestfs — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-4127 CVE-2012-2690 CVE-2013-2124 CVE-2013-4419 CVE-2022-2211 Upstream summary: The Linux kernel before 3.2.2 does not properly restrict SG_IO ioctl calls, which allows local users to bypass intended restrictions on […]

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Ubuntu 22.04 — libhttp-daemon-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libhttp-daemon-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 February 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5520-1 Related CVEs: CVE-2022-31081 Upstream summary: It was discovered that HTTP-Daemon incorrectly handled certain crafted requests. A remote attacker could possibly use this issue to perform an HTTP Request Smuggling […]

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Oracle Linux 8 — java-1.8.0-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-1.8.0-openjdk — vulnerability — patch and remediation guide (ELSA-2022-1491)

🟠 High   ⏱ 15–60 min  Last verified: 20 February 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1491 Related CVEs: CVE-2022-21496 CVE-2022-21443 CVE-2022-21426 CVE-2022-21434 CVE-2022-21476 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Red Hat Enterprise Linux 9 — perl-XML-Parser — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — perl-XML-Parser — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:9605 Related CVEs: CVE-2006-10002 CVE-2006-10003 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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