Logging Monitoring

Debian 11 — libetpan — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libetpan — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-8825 CVE-2020-15953 CVE-2022-4121 Upstream summary: A null dereference vulnerability has been found in the MIME handling component of LibEtPan before 1.8, as used in MailCore and MailCore 2. […]

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Common Problems 120532

Debian 11: chrony not syncing and system clock drift

🟡 Medium   ⏱ 5–30 min  Last verified: 4 July 2022 Affected versions: Debian 11 📖 ~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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Debian 11 — libzstd — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libzstd — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-11922 CVE-2021-24031 CVE-2021-24032 CVE-2022-4899 Upstream summary: A race condition in the one-pass compression functions of Zstandard prior to version 1.3.8 could allow an attacker to write bytes out […]

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Debian 11 — libimobiledevice — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libimobiledevice — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-2142 CVE-2016-5104 Upstream summary: userpref.c in libimobiledevice 1.1.4, when $HOME and $XDG_CONFIG_HOME are not set, allows local users to overwrite arbitrary files via a symlink attack on (1) […]

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Ubuntu 18.04 — nvidia-graphics-drivers-450 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — nvidia-graphics-drivers-450 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 July 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4935-1 Related CVEs: CVE-2021-1076 CVE-2021-1077 CVE-2021-1052 CVE-2021-1053 CVE-2021-1056 Upstream summary: It was discovered that the NVIDIA GPU display driver for the Linux kernel incorrectly performed access control. A local attacker […]

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Ubuntu 18.04 — multipath-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — multipath-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 July 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5731-1 Related CVEs: CVE-2022-41973 CVE-2022-41974 Upstream summary: It was discovered that multipath-tools incorrectly handled symlinks. A local attacker could possibly use this issue, in combination with other issues, to escalate […]

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Common Problems 117084

Ubuntu 22.04 LTS /boot Full After Repeated Kernel Updates

🟡 Medium   ⏱ 5–30 min  Last verified: 4 July 2022 📖 ~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 […]

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Alpine Linux edge — libcaca — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libcaca — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.99_beta20-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libcaca 0.99_beta20-r0 Related CVEs: CVE-2021-30498 CVE-2021-30499 CVE-2021-3410 CVE-2018-20544 CVE-2018-20545 CVE-2018-20546 CVE-2018-20547 CVE-2018-20548  +1 more Upstream summary: Alpine community repository for vedge ships libcaca 0.99_beta20-r0 which […]

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Oracle Linux 9 — postgresql-jdbc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — postgresql-jdbc — vulnerability — patch and remediation guide (ELSA-2023-2378)

🟡 Medium   ⏱ 10–30 min  Last verified: 4 July 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2378 Related CVEs: CVE-2022-41946 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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Oracle Linux 9 — less — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — less — vulnerability — patch and remediation guide (ELSA-2023-3725)

🟡 Medium   ⏱ 10–30 min  Last verified: 4 July 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3725 Related CVEs: CVE-2022-46663 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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