🟡 Medium ⏱ 10–30 min Last verified: 4 November 2025 Affected versions: Ubuntu 16.04 (xenial) 📖 ~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 […]
🟢 Low ⏱ 5–15 min Last verified: 4 November 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7632-1 Related CVEs: CVE-2025-40908 Upstream summary: It was discovered that YAML-LibYAML incorrectly handled certain file names. An attacker could possibly use this issue to overwrite arbitrary files. Table of contents […]
While the earlier tutorial in this series covered the core useradd, usermod, and userdel tools for user lifecycle management, this guide goes deeper into the full toolkit for managing users and groups at scale on RHEL 9: bulk creation, password management with chpasswd, group administration with gpasswd, per-user resource limits with ulimit and /etc/security/limits.conf, user […]
🟢 Low ⏱ 5–15 min Last verified: 4 November 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7761-1 Related CVEs: CVE-2024-10963 CVE-2025-6020 Upstream summary: It was discovered that the PAM pam_access module incorrectly parsed certain rules as hostnames. An attacker could possibly use this issue to spoof […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 13.2.1_git20231014-r0 📖 ~4 min read • Source: Alpine secdb entry — gcc 13.2.1_git20231014-r0 Related CVEs: CVE-2023-4039 Upstream summary: Alpine main repository for vv3.20 ships gcc 13.2.1_git20231014-r0 which addresses CVE-2023-4039. Table of contents Symptom & Impact Environment […]
🟢 Low ⏱ 5–15 min Last verified: 4 November 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-8024-1 Related CVEs: CVE-2025-11678 CVE-2025-11677 Upstream summary: Raffaele Bova discovered that Libwebsockets incorrectly handled memory when the upgrade header is not valid in the WebSocket server. An attacker could possibly […]
🟠 High ⏱ 15–60 min Last verified: 4 November 2025 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2025-2868 Related CVEs: CVE-2025-1080 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🔴 Critical ⏱ 15–90 min Last verified: 4 November 2025 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2025:03237-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-6351 CVE-2023-6350 CVE-2025-48174 CVE-2025-48175 Upstream summary: Use after free in libavif in Google Chrome prior to 119.0.6045.199 allowed a remote attacker to potentially exploit heap […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2025:15134-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-31176 CVE-2025-31177 CVE-2025-31178 CVE-2025-31179 CVE-2025-31180 CVE-2025-31181 CVE-2025-3359 Upstream summary: A flaw was found in gnuplot. The plot3d_points() function may lead to a segmentation fault […]
🟡 Medium ⏱ 10–30 min Last verified: 4 November 2025 Affected versions: Oracle Linux 10 📖 ~4 min read • Source: ELSA advisory ELSA-2026-1696 Related CVEs: CVE-2025-14104 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
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