Common Problems

Red Hat Enterprise Linux 8 — perf — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 8

Red Hat Enterprise Linux 8 — perf — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 8 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:20130 Related CVEs: CVE-2026-31532 CVE-2026-46300 CVE-2026-46333 CVE-2025-38024 CVE-2026-23191 CVE-2026-23243 CVE-2026-23401 CVE-2026-31419  +12 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Common Problems 115997

Ubuntu 26.04 LTS – NVIDIA driver fails after kernel update with DKMS build error – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 22 July 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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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SLES 16 — libconfuse2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libconfuse2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 July 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:3331-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-40320 CVE-2018-14447 Upstream summary: cfg_tilde_expand in confuse.c in libConfuse 3.3 has a heap-based buffer over-read. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2026-50257)

🟠 High   ⏱ 15–60 min  Last verified: 22 July 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50257 Related CVEs: CVE-2026-43284 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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FreeBSD 15 — grub2-bhyve — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — grub2-bhyve — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: grub2-bhyve — multiple privilege escalations Upstream summary: Reno Robert reports: FreeBSD uses a two-process model for running a VM. For booting non-FreeBSD guests, a modified grub-emu is used (grub-bhyve). Grub-bhyve […]

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FreeBSD 15 — py35-salt — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py35-salt — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: salt — multiple vulnerabilities in salt-master process Related CVEs: CVE-2016-1866 CVE-2016-3176 CVE-2017-12791 CVE-2017-14695 CVE-2017-14696 CVE-2018-15750 CVE-2018-15751 CVE-2019-17361  +2 more Upstream summary: F-Secure reports: CVE-2020-11651 – Authentication bypass vulnerabilities The ClearFuncs […]

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NetBSD 10.0 — py-nltk — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — py-nltk — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2025-14009 CVE-2026-0848 CVE-2019-14751 CVE-2026-0846 CVE-2026-0847 CVE-2021-3828 CVE-2021-43854 CVE-2021-3842 Upstream summary: pkgsrc audit-packages flagged py{27,310,311,312,313,314}-nltk<3.9.3 for vulnerability class 'arbitrary-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-14009 Table of contents Symptom & Impact Environment & Reproduction […]

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Common Problems 115909

Ubuntu 26.04 LTS – unattended-upgrades causes sustained high CPU and I/O

🟡 Medium   ⏱ 5–30 min  Last verified: 21 July 2026 Affected versions: Ubuntu 26.04 LTS Ubuntu 26.04 Ubuntu 26.04.1 📖 ~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 […]

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FreeBSD 15 — postfix-policyd-weight — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — postfix-policyd-weight — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: postfix-policyd-weight — working directory symlink vulnerability Upstream summary: postfix-policyd-weight does not check for symlink for its working directory. If the working directory is not already setup by the super root, […]

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AlmaLinux 10 — python-pyasn1 — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 10

AlmaLinux 10 — python-pyasn1 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 10 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:3354 Related CVEs: CVE-2026-23490 Upstream summary: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to […]

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