Operations

Oracle Linux 8 — File System Issues — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — File System Issues

🟠 High   ⏱ 5–30 min  Last verified: 21 October 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug OLRNB-ol8-issues-fs 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 […]

Read more
FreeBSD 13 — apache+mod_ssl+mod_accel+mod_deflate+ipv — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — apache+mod_ssl+mod_accel+mod_deflate+ipv — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: apache — Prevent chunk-size integer overflow on platforms where sizeof(int) < sizeof(long) Related CVEs: CVE-2005-2088 CVE-2005-3352 CVE-2006-3747 Upstream summary: Apache ChangeLog reports: Integer overflow in the ap_proxy_send_fb function in proxy/proxy_util.c […]

Read more
How to Set Up SSH Key Authentication on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up SSH Key Authentication on FreeBSD 13

Introduction Deploying set up ssh key authentication on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the […]

Read more
FreeBSD 13 — py310-nicotine-plus — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py310-nicotine-plus — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-nicotine-plus — Denial of service vulnerability Related CVEs: CVE-2021-45848 Upstream summary: ztauras reports: Denial of service (DoS) vulnerability in Nicotine+ starting with version 3.0.3 and prior to version 3.2.1 allows […]

Read more
AlmaLinux 8 — gcc-toolset-9-systemtap — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gcc-toolset-9-systemtap — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2019:3454 Upstream summary: GCC Toolset is a compiler toolset that provides recent versions of development tools. GCC Toolset is an Application Stream packaged as a Software Collection. This enhancement update adds the […]

Read more
FreeBSD 12 — py38-markdown — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py38-markdown — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 October 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-markdown2 — regular expression denial of service vulnerability Related CVEs: CVE-2020-11888 CVE-2021-26813 Upstream summary: Ben Caller reports: markdown2 &gt;=1.0.1.18, fixed in 2.4.0, is affected by a regular expression denial of […]

Read more
Debian 11 — muttprint — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — muttprint — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5368 Upstream summary: muttprint in muttprint 0.72d allows local users to overwrite arbitrary files via a symlink attack on the /tmp/muttprint.log temporary file. Table of contents Symptom & […]

Read more
Debian 11 — ncbi-tools6 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ncbi-tools6 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5149 Upstream summary: fwd_check.sh in libncbi6 6.1.20080302 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/##### temporary file. Table of contents Symptom & […]

Read more
AlmaLinux 8 — sos — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — sos — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:4744 Upstream summary: The sos package contains a set of utilities that gather information from system hardware, logs, and configuration files. The information can then be used for diagnostic purposes and debugging. […]

Read more
Common Problems 114951

RHEL 8 chronyd Time Drift Causing Kerberos and TLS Failures

🟡 Medium   ⏱ 5–30 min  Last verified: 21 October 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 […]

Read more
CHAT