Linux

CentOS Stream 10 — sudo — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — sudo — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:10758 Related CVEs: CVE-2026-35535 Upstream summary: The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are used […]

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Ubuntu 22.04 — linux-raspi — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-raspi — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8255-3 Related CVEs: CVE-2023-2640 CVE-2023-32629 CVE-2026-23112 CVE-2026-23273 CVE-2024-35862 CVE-2024-50060 CVE-2026-23274 CVE-2026-23351  +12 more Upstream summary: Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux […]

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Common Problems 120179

Debian 12: RAID array degraded after disk replacement

🔴 Critical   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Debian 12 📖 ~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 — libZXing3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libZXing3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:0157-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-28021 CVE-2021-42716 CVE-2021-42715 Upstream summary: Buffer overflow vulnerability in function stbi__extend_receive in stb_image.h in stb 2.26 via a crafted JPEG file. Table of contents Symptom […]

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Common Problems 120698

Debian 11 Unattended-Upgrades Leaves dpkg Lock Contention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 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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Ubuntu 24.04 — linux-raspi-realtime — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — linux-raspi-realtime — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8278-1 Related CVEs: CVE-2024-50004 CVE-2024-58096 CVE-2024-58097 CVE-2025-37926 CVE-2025-38201 CVE-2025-38591 CVE-2025-40039 CVE-2025-40082  +12 more Upstream summary: It was discovered that the Linux kernel algif_aead module did not properly handle in-place cryptographic […]

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SLES 15 — xz — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — xz — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:7524 (see also SUSE bugzilla) Related CVEs: CVE-2025-31115 CVE-2022-1271 Upstream summary: XZ Utils provide a general-purpose data-compression library plus command-line tools. In XZ Utils 5.3.3alpha to 5.8.0, the multithreaded .xz decoder in […]

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SLES 12 — libjson-c2 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libjson-c2 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:108-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-12762 Upstream summary: json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend. Table of contents […]

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CentOS Stream 9 — libtiff — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — libtiff — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:12271 Related CVEs: CVE-2026-4775 CVE-2025-8176 CVE-2025-9900 CVE-2024-7006 CVE-2022-40090 CVE-2023-3618 CVE-2023-40745 CVE-2023-41175  +12 more Upstream summary: The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files. […]

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SLES 16 — jsch — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — jsch — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:4230-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-48795 Upstream summary: The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity […]

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