ubuntu

Ubuntu 16.04 — google-guest-agent — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — google-guest-agent — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 November 2025 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7956-1 Related CVEs: CVE-2025-58181 CVE-2024-45337 Upstream summary: Jakub Ciolek discovered that the Go Cryptography module included in Google Guest Agent did not validate GSSAPI authentication requests during SSH operations. An […]

Read more
Ubuntu 22.04 — fig2dev — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — fig2dev — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 November 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7587-1 Related CVEs: CVE-2020-21680 CVE-2025-31162 CVE-2020-21682 CVE-2025-31163 CVE-2025-31164 CVE-2020-21683 Upstream summary: Suhwan Song discovered that Fig2dev did not correctly handle certain memory operations. If a user or automated system were […]

Read more
Ubuntu 24.04 — linux-oracle-6.14 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — linux-oracle-6.14 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 November 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7879-3 Related CVEs: CVE-2024-36331 CVE-2025-38335 CVE-2025-38349 CVE-2025-38351 CVE-2025-38437 CVE-2025-38438 CVE-2025-38439 CVE-2025-38440  +12 more Upstream summary: It was discovered that improper initialization of CPU cache memory could allow a local attacker […]

Read more
Common Problems 116634

Ubuntu 24.04 LTS – kernel update results in boot failure – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 31 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 […]

Read more
Ubuntu 18.04 — python-setuptools — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python-setuptools — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 October 2025 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7544-1 Related CVEs: CVE-2025-47273 CVE-2024-6345 CVE-2022-40897 Upstream summary: It was discovered that setuptools did not properly sanitize paths. An attacker could possibly use this issue to write files to arbitrary […]

Read more
Common Problems 116487

Ubuntu 24.04 LTS – boot drops to initramfs BusyBox shell – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 31 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 […]

Read more
Common Problems 116424

Ubuntu 24.04 LTS – snap applications fail because snapd is inactive – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 31 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 […]

Read more
Common Problems 116592

Ubuntu 24.04 LTS – inode exhaustion causes writes to fail despite free space

🟠 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 […]

Read more
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 […]

Read more
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 […]

Read more
CHAT