2026 - Page 1364 of 1369

Common Problems 114135

RHEL 10 – dracut rebuild omits multipath modules causing boot device not found

🔴 Critical   ⏱ 5–30 min  Last verified: 2 January 2026 Affected versions: RHEL 10 RHEL 10.0 RHEL 10.1 📖 ~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 & […]

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Rocky Linux 9 — gcc-toolset-13-binutils — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 9

Rocky Linux 9 — gcc-toolset-13-binutils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 9 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2025:23336 Related CVEs: CVE-2025-11083 Upstream summary: Binutils is a collection of binary utilities, including ar (for creating, modifying and extracting from archives), as (a family of GNU assemblers), gprof (for […]

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Debian 13 — isync — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — isync — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 January 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-0289 CVE-2021-20247 CVE-2021-3578 CVE-2021-3657 CVE-2021-44143 Upstream summary: Isync 0.4 before 1.0.6, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) […]

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Debian 13 — smarty4 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — smarty4 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 January 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-25047 CVE-2021-21408 CVE-2021-29454 CVE-2022-29221 CVE-2023-28447 CVE-2024-35226 Upstream summary: In Smarty before 3.1.47 and 4.x before 4.2.1, libs/plugins/function.mailto.php allows XSS. A web page that uses smarty_function_mailto, and that could […]

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Debian 13 — pglogical — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — pglogical — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 January 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3515 Upstream summary: A shell injection flaw was found in pglogical in versions before 2.3.4 and before 3.6.26. An attacker with CREATEDB privileges on a PostgreSQL server can craft […]

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Debian 13 — linuxptp — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — linuxptp — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 January 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3570 CVE-2021-3571 CVE-2024-42861 Upstream summary: A flaw was found in the ptp4l program of the linuxptp package. A missing length check when forwarding a PTP message between ports […]

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Ubuntu 24.04 — yelp-xsl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — yelp-xsl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 January 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7447-1 Related CVEs: CVE-2025-3155 Upstream summary: It was discovered that Yelp incorrectly handled paths in ghelp URLs. A remote attacker could use this issue to trick users into opening malicious […]

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Ubuntu 20.04 — bind9 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — bind9 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 2 January 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7836-2 Related CVEs: CVE-2025-40780 CVE-2025-8677 CVE-2025-40778 CVE-2024-11187 CVE-2024-12705 CVE-2024-0760 CVE-2024-1737 CVE-2024-1975  +12 more Upstream summary: USN-7836-1 fixed vulnerabilities in Bind. This update provides the corresponding fixes for Ubuntu 20.04 LTS. […]

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Ubuntu 24.04 — krb5 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — krb5 — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 January 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7542-1 Related CVEs: CVE-2025-3576 CVE-2024-26458 CVE-2024-26461 CVE-2024-26462 CVE-2025-24528 CVE-2024-3596 CVE-2024-37370 CVE-2024-37371 Upstream summary: It was discovered that Kerberos allowed the usage of weak cryptographic standards. An attacker could possibly use […]

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Windows Server 2016 — KB5055523 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5055523 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5055523 • MSRC update-guide entry Related CVEs: CVE-2025-26663 CVE-2025-26686 CVE-2025-26670 CVE-2025-27480 CVE-2025-27482 CVE-2025-27491 CVE-2023-40547 CVE-2025-26664  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Microsoft summary: Use after […]

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CHAT