Cómo configurar un escritorio remoto con X2Go en Ubuntu 20.04
El autor seleccionó a Software in the Public Interest (SPI) para recibir una donación como parte del programa Write for DOnations. En general, los servidores basados…
Amazon Linux 2 — kernel-livepatch-4.14.252-195.483 — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2LIVEPATCH-2021-069 Related CVEs: CVE-2021-4002 Upstream summary: No CVE associated with this advisory Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]
Debian 11 — mpg321 — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 28 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2003-0969 CVE-2017-11552 CVE-2019-14247 Upstream summary: mpg321 0.2.10 allows remote attackers to overwrite memory and possibly execute arbitrary code via an mp3 file that passes certain strings to the […]
Debian 11 — yadm — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 28 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2017-11353 Upstream summary: yadm (yet another dotfile manager) 1.10.0 has a race condition (related to the behavior of git commands in setting permissions for new files and directories), […]
openSUSE Tumbleweed — libxls-devel — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2022:0142-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-27836 CVE-2020-27819 Upstream summary: An issue was discoverered in in function xls_getWorkSheet in xls.c in libxls 1.6.2, allows attackers to cause a denial of service, […]
Debian 11 — x11-xkb-utils — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 28 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2018-15853 CVE-2018-15859 CVE-2018-15861 CVE-2018-15863 Upstream summary: Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to crash xkbcommon users […]
Alpine Linux edge — spice — multiple vulnerabilities (7 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.15.0-r0 📖 ~4 min read • Source: Alpine secdb entry — spice 0.15.0-r0 Related CVEs: CVE-2020-14355 CVE-2021-20201 CVE-2019-3813 CVE-2018-10873 CVE-2017-7506 CVE-2016-9577 CVE-2016-9578 Upstream summary: Alpine main repository for vedge ships spice 0.15.0-r0 which addresses CVE-2020-14355. Table […]
How to Back Up and Restore MySQL Databases with mysqldump on RHEL 8
Regular database backups are one of the most important operational habits for any MySQL deployment, and RHEL 8 provides all the tools you need to implement a solid backup strategy. mysqldump produces portable SQL dumps that are easy to restore and inspect, while mysqlpump adds parallelism for faster exports on larger datasets. This tutorial covers […]
Oracle Linux 8 — container-tools:ol8 — security and stability fixes — required update (ELSA-2024-2098)
🟠 High ⏱ 15–60 min Last verified: 27 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2024-2098 Related CVEs: CVE-2024-1753 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Ubuntu 20.04 Docker permission denied for non-root user
🟡 Medium ⏱ 5–30 min Last verified: 27 August 2021 📖 ~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 & Cross-Refs References & Further […]
