🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6225-1 Related CVEs: CVE-2022-40188 Upstream summary: It was discovered that Knot Resolver did not correctly handle certain client options. A remote attacker could send requests to malicous domains and cause […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5826-1 Related CVEs: CVE-2021-44540 CVE-2021-44543 CVE-2020-35502 CVE-2021-20209 CVE-2021-20210 CVE-2021-20211 CVE-2021-20212 CVE-2021-20213 +8 more Upstream summary: Joshua Rogers discovered that Privoxy incorrectly handled memory allocation. An attacker could possibly use this […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5584-1 Related CVEs: CVE-2022-2787 Upstream summary: It was discovered that Schroot incorrectly handled certain Schroot names. An attacker could possibly use this issue to break schroot's internal state causing a […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5351-1 Related CVEs: CVE-2022-24302 CVE-2018-1000805 Upstream summary: Jan Schejbal discovered that Paramiko incorrectly handled permissions when writing private key files. A local attacker could possibly use this issue to gain […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5292-4 Related CVEs: https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1961365 https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1961791 CVE-2021-3155 CVE-2021-4120 CVE-2021-44730 CVE-2021-44731 CVE-2019-7303 https://launchpad.net/bugs/1812973 +2 more Upstream summary: USN-5292-1 fixed a vulnerability in snapd. Unfortunately that update introduced a regression that could break […]
Introduction This guide explains how to Apply CIS Benchmark Hardening to Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2022:2098 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-7624 Related CVEs: CVE-2021-21708 CVE-2022-31625 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 371-r0 📖 ~4 min read • Source: Alpine secdb entry — xterm 371-r0 Related CVEs: CVE-2022-24130 CVE-2021-27135 Upstream summary: Alpine community repository for vedge ships xterm 371-r0 which addresses CVE-2022-24130. Table of contents Symptom & Impact […]
🟠 High ⏱ 5–30 min Last verified: 19 May 2026 Affected versions: Debian 11 📖 ~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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