Linux

Common Problems 116493

Ubuntu 24.04 LTS – grub-install fails because EFI system partition is full

🟠 High   ⏱ 5–30 min  Last verified: 30 October 2025 Affected versions: Ubuntu 24.04 LTS Ubuntu 24.04 Ubuntu 24.04.1 📖 ~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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Debian 13 — uwsgi — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

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

🟡 Medium   ⏱ 10–30 min  Last verified: 30 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-6758 CVE-2018-7490 CVE-2020-11984 CVE-2021-36160 CVE-2024-24795 Upstream summary: The uwsgi_expand_path function in core/utils.c in Unbit uWSGI through 2.0.15 has a stack-based buffer overflow via a large directory length. Table […]

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Debian 13 — google-perftools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — google-perftools — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-4895 CVE-2018-13420 Upstream summary: Multiple integer overflows in TCMalloc (tcmalloc.cc) in gperftools before 0.4 make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows […]

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Alpine Linux 3.19 — screen — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — screen — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 4.9.1_git20250512-r0 📖 ~4 min read  •  Source: Alpine secdb entry — screen 4.9.1_git20250512-r0 Related CVEs: CVE-2025-46805 CVE-2025-46804 CVE-2025-46802 CVE-2023-24626 CVE-2021-26937 CVE-2020-9366 Upstream summary: Alpine main repository for vv3.19 ships screen 4.9.1_git20250512-r0 which addresses CVE-2025-46805. Table of […]

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How to Use rsync over SSH for Backups on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Use rsync over SSH for Backups on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up use rsync over ssh for backups on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the […]

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Common Problems 116395

Ubuntu 24.04 LTS – APT lock file prevents package installs – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 30 October 2025 Affected versions: Ubuntu 24.04 LTS 📖 ~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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Debian 13 — qgit — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — qgit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-4631 Upstream summary: The DataLoader::doStart function in dataloader.cpp in QGit 1.5.6 and other versions up to 2pre1 allows local users to overwrite arbitrary files and execute arbitrary code […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 30 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-1624 CVE-2016-1968 CVE-2020-8927 Upstream summary: Integer underflow in the ProcessCommandsInternal function in dec/decode.c in Brotli, as used in Google Chrome before 48.0.2564.109, allows remote attackers to cause a […]

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Common Problems 113959

RHEL 10 – new kernel installed but system still boots old kernel – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 30 October 2025 Affected versions: 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 & Hardening Related […]

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SLES 12 — abseil-cpp-devel — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — abseil-cpp-devel — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 October 2025 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0190-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-0838 Upstream summary: There exists a heap buffer overflow vulnerable in Abseil-cpp. The sized constructors, reserve(), and rehash() methods of absl::{flat,node}hash{set,map} did not impose an […]

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