Operations

pr cp 116964 r2

Ubuntu 22.04 LTS EXT4 Remounts Read-Only After I/O Errors

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 19 May 2026 ๐Ÿ“– ~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
Oracle Linux 8 โ€” Certain SEV Guest Configurations Might Cause Hypervisor CPU Soft-Lockup Warnings โ€” diagnosis and fix on Oracle Linux 8

Oracle Linux 8 โ€” Certain SEV Guest Configurations Might Cause Hypervisor CPU Soft-Lockup Warnings

๐ŸŸ  High   โฑ 5โ€“30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 ๐Ÿ“– ~4 min read  โ€ข  Source: Oracle Bug 34050377 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 […]

Read more
pr cp 117464 r2

Ubuntu 20.04 LTS GRUB Installation Failed During Kernel Upgrade

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 19 May 2026 ๐Ÿ“– ~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
SLES 16 โ€” qemu โ€” multiple vulnerabilities (20 CVEs) โ€” patch and remediation guide โ€” diagnosis and fix on SLES 16

SLES 16 โ€” qemu โ€” multiple vulnerabilities (20 CVEs) โ€” patch and remediation guide

๐Ÿ”ด Critical   โฑ 15โ€“90 min  Last verified: 25 May 2026 Affected versions: SLES 16 ๐Ÿ“– ~4 min read  โ€ข  Source: SUSE advisory SUSE-SU-2016:0010-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-7512 CVE-2017-15118 CVE-2026-3195 CVE-2025-11234 CVE-2008-4539 CVE-2014-0145 CVE-2015-3209 CVE-2015-6855  +12 more Upstream summary: Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest […]

Read more
pr cp 117963 r2

Ubuntu 18.04 LTS Docker containers cannot reach the internet

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 19 May 2026 ๐Ÿ“– ~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
SLES 15 โ€” system-user-root โ€” vulnerability โ€” patch and remediation guide โ€” diagnosis and fix on SLES 15

SLES 15 โ€” system-user-root โ€” vulnerability โ€” patch and remediation guide

๐Ÿ”ด Critical   โฑ 15โ€“90 min  Last verified: 25 May 2026 Affected versions: SLES 15 ๐Ÿ“– ~4 min read  โ€ข  Source: SUSE advisory SUSE-CU-2019:697-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-5021 Upstream summary: Versions of the Official Alpine Linux Docker images (since v3.3) contain a NULL password for the `root` user. This vulnerability appears to […]

Read more
pr cp 118457 r2

Ubuntu 16.04 LTS apt reports Hash Sum mismatch

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 19 May 2026 ๐Ÿ“– ~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
SLES 12 โ€” librelp0 โ€” vulnerability โ€” patch and remediation guide โ€” diagnosis and fix on SLES 12

SLES 12 โ€” librelp0 โ€” vulnerability โ€” patch and remediation guide

๐Ÿ”ด Critical   โฑ 15โ€“90 min  Last verified: 25 May 2026 Affected versions: SLES 12 ๐Ÿ“– ~4 min read  โ€ข  Source: SUSE advisory SUSE-SU-2018:0822-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-1000140 Upstream summary: rsyslog librelp version 1.2.14 and earlier contains a Buffer Overflow vulnerability in the checking of x509 certificates from a peer that can […]

Read more
pr cp 118993 r2

Ubuntu 14.04 LTS Wi-Fi keeps disconnecting

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 19 May 2026 ๐Ÿ“– ~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
CentOS Stream 10 โ€” freerdp โ€” multiple vulnerabilities (20 CVEs) โ€” patch and remediation guide โ€” diagnosis and fix on CentOS Stream 10

CentOS Stream 10 โ€” freerdp โ€” multiple vulnerabilities (20 CVEs) โ€” patch and remediation guide

๐ŸŸ  High   โฑ 15โ€“60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 10 ๐Ÿ“– ~4 min read  โ€ข  Source: AlmaLinux/RHEL advisory ALSA-2026:8458 Related CVEs: CVE-2026-33983 CVE-2026-33984 CVE-2026-22852 CVE-2026-22854 CVE-2026-22856 CVE-2026-23732 CVE-2026-23948 CVE-2026-24491  +12 more Upstream summary: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. […]

Read more
CHAT