Common Problems

AlmaLinux 8 — wireshark — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — wireshark — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:7015 Related CVEs: CVE-2023-0666 CVE-2023-2856 CVE-2023-2858 CVE-2023-2952 Upstream summary: The wireshark packages contain a network protocol analyzer used to capture and browse the traffic running on a computer network. Security Fix(es): * […]

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

Debian 11 — hnswlib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 March 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-37365 Upstream summary: Hnswlib 0.7.0 has a double free in init_index when the M argument is a large integer. Table of contents Symptom & Impact Environment & Reproduction […]

Read more
Ubuntu 16.04 — advancecomp — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — advancecomp — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 March 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5838-1 Related CVEs: CVE-2022-35014 CVE-2022-35015 CVE-2022-35016 CVE-2022-35017 CVE-2022-35018 CVE-2022-35019 CVE-2022-35020 CVE-2019-8379  +3 more Upstream summary: It was discovered that AdvanceCOMP did not properly manage memory while performing read operations on […]

Read more
Ubuntu 20.04 — fribidi — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — fribidi — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 March 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5366-1 Related CVEs: CVE-2022-25308 CVE-2022-25309 CVE-2022-25310 Upstream summary: It was discovered that FriBidi incorrectly handled processing of input strings resulting in memory corruption. An attacker could use this issue to […]

Read more
openSUSE Tumbleweed — python38-jwcrypto — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python38-jwcrypto — vulnerability — 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-2025:15096-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-3102 Upstream summary: Unknown. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution […]

Read more
Oracle Linux 8 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2022-5469)

🟠 High   ⏱ 15–60 min  Last verified: 25 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5469 Related CVEs: CVE-2022-34481 CVE-2022-31744 CVE-2022-34468 CVE-2022-34479 CVE-2022-2200 CVE-2022-34484 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
Oracle Linux 9 — java-1.8.0-openjdk — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — java-1.8.0-openjdk — security and stability fixes — required update (ELSA-2023-4178)

🟡 Medium   ⏱ 10–30 min  Last verified: 24 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-4178 Related CVEs: CVE-2023-22045 CVE-2023-22049 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

Read more
AlmaLinux 9 — libwebp — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — libwebp — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:5214 Related CVEs: CVE-2023-4863 CVE-2023-1999 Upstream summary: The libwebp packages provide a library and tools for the WebP graphics format. WebP is an image format with a lossy compression of digital photographic […]

Read more
Common Problems 115629

SELinux AVC Flood Causing Performance Degradation

🟡 Medium   ⏱ 5–30 min  Last verified: 24 March 2023 📖 ~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