Troubleshooting

Amazon Linux 2 — kernel-livepatch-5.10.184-174.730 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.184-174.730 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 25, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2023-143 Related CVEs: CVE-2023-3609 CVE-2023-3776 Upstream summary: A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local privilege escalation. If tcf_change_indev() fails, u32_set_parms() will […]

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Gentoo Linux — net-mail/ytnef — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-mail/ytnef — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 25, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202405-24 Related CVEs: CVE-2021-3403 CVE-2021-3404 Upstream summary: The TNEFSubjectHandler function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a double free which can be triggered […]

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Rocky Linux 8 — perl-Term-ANSIColor — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — perl-Term-ANSIColor — vulnerability — patch and remediation guide

  • May 25, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:8096 Related CVEs: CVE-2025-40909 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have […]

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Arch Linux — helm — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — helm — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 25, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202106-52 Related CVEs: CVE-2021-32690 CVE-2021-21303 Upstream summary: Type: information disclosure. Status: Fixed. Affected: 3.6.0-1. Fixed in: 3.6.1-1. Group: AVG-2078. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 11 — ruby-rack-ssl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-rack-ssl — vulnerability — patch and remediation guide

  • May 25, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-2538 Upstream summary: Cross-site scripting (XSS) vulnerability in lib/rack/ssl.rb in the rack-ssl gem before 1.4.0 for Ruby allows remote attackers to inject arbitrary web script or HTML via […]

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Debian 12 — openmpi — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — openmpi — vulnerability — patch and remediation guide

  • May 25, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3736 Upstream summary: ltdl.c in libltdl in GNU Libtool 1.5.x, and 2.2.6 before 2.2.6b, as used in Ham Radio Control Libraries, Q, and possibly other products, attempts to […]

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Debian 13 — xfce4-panel — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — xfce4-panel — vulnerability — patch and remediation guide

  • May 25, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-6531 Upstream summary: Stack-based buffer overflow in the Panel (xfce4-panel) component in Xfce before 4.4.2 might allow remote attackers to execute arbitrary code via Launcher tooltips. NOTE: a […]

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Debian 11 — node-fstream — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-fstream — vulnerability — patch and remediation guide

  • May 25, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-13173 Upstream summary: fstream before 1.0.12 is vulnerable to Arbitrary File Overwrite. Extracting tarballs containing a hardlink to a file that already exists in the system, and a […]

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Debian 13 — tcpreen — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — tcpreen — vulnerability — patch and remediation guide

  • May 25, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-6562 Upstream summary: Multiple stack-based buffer overflows in the use of FD_SET in TCPreen before 1.4.4 allow remote attackers to cause a denial of service via multiple concurrent […]

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Debian 11 — mtink — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mtink — vulnerability — patch and remediation guide

  • May 25, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-1110 Upstream summary: The mtink status monitor before 1.0.5 for Epson printers allows local users to overwrite arbitrary files via a symlink attack on the epson temporary file. […]

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AIX AlmaLinux Alpine Linux authentication authorization Backup Recovery Boot Startup Cloud Integration Common Problems Cpu Memory Database Debian Debian 11 Debian 12 Bookworm Debian 13 Trixie DNS Firewall Fix Prevention FreeBSD FreeBSD 12 FreeBSD 13 FreeBSD 14 FreeBSD 15 Kernel Drivers Logging Monitoring Lvm Raid NetBSD Networking openSUSE Operations Oracle Linux Oracle Linux 8 Oracle Linux 9 Package Management Performance Proxy Security Hardening SLES Storage Disk Systemd Services Tls Ssl Troubleshooting ubuntu VPN windows server

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