Kernel Drivers

Fedora 42 — xen — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — xen — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-0c9aff64a5 Related CVEs: CVE-2026-23556 CVE-2026-23557 CVE-2026-23558 CVE-2025-54505 Upstream summary: oxenstored keeps quota related use counts across domain destruction [XSA-483, CVE-2026-23556] Xenstored DoS via XS_RESET_WATCHES command [XSA-484, CVE-2026-23557] grant table v2 race in […]

Read more
Common Problems 116110

Ubuntu 26.04 LTS OOM Kills Under Memory Pressure Without Adequate Swap

🟠 High   ⏱ 5–30 min  Last verified: 20 May 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 […]

Read more
Common Problems 116618

Ubuntu 24.04 LTS OOM Kills Increase After Swap Disabled

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 24.04 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 […]

Read more
Common Problems 115590

Docker Daemon Fails to Start on RHEL 7

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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
Common Problems 119124

Ubuntu 14.04 LTS Docker Daemon Fails Due to cgroup Issues

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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
Common Problems 111153

Windows Server 2025 — NIC driver buffer overflow causing intermittent packet loss on Server 2025 — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Windows Server 2025 📖 ~2 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 […]

Read more
openSUSE Leap 15.5 — xen — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — xen — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:14530-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-45818 CVE-2024-31145 CVE-2024-31143 CVE-2023-34326 CVE-2023-34322 CVE-2022-42335 CVE-2024-45819 CVE-2024-45817  +12 more Upstream summary: The hypervisor contains code to accelerate VGA memory accesses for HVM guests, […]

Read more
openSUSE Leap 15.5 — qemu — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — qemu — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:14411-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-7409 CVE-2024-4467 CVE-2023-3019 CVE-2024-3446 CVE-2023-1544 CVE-2024-24474 CVE-2024-26327 CVE-2023-3180  +12 more Upstream summary: A flaw was found in the QEMU NBD Server. This vulnerability allows […]

Read more
Amazon Linux 2 — kernel-livepatch-5.10.245-245.983 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.245-245.983 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2026-284 Related CVEs: CVE-2025-68192 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: net: usb: qmi_wwan: initialize MAC header offset in qmimux_rx_fixup (CVE-2025-68192) Table of contents Symptom […]

Read more
Alpine Linux 3.18 — linux-lts — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — linux-lts — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 6.1.74-r0 📖 ~4 min read  •  Source: Alpine secdb entry — linux-lts 6.1.74-r0 Related CVEs: CVE-2023-46838 CVE-2023-32233 CVE-2022-41674 CVE-2022-42719 CVE-2022-42720 CVE-2022-42721 CVE-2022-42722 CVE-2020-29568  +1 more Upstream summary: Alpine main repository for vv3.18 ships linux-lts 6.1.74-r0 which […]

Read more
CHAT