The perf tool is a powerful Linux profiling framework built directly into the kernel, capable of sampling CPU performance counters, tracing system calls, and generating flame graphs that reveal exactly where an application spends its time. On RHEL 8, perf is packaged in the standard repositories and integrates with the kernel’s built-in performance monitoring units […]
🟡 Medium ⏱ 5–30 min Last verified: 8 February 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 […]
🟡 Medium ⏱ 15–45 min Last verified: 8 February 2023 Affected versions: IBM AIX 7.2 📖 ~4 min read • Source: NVD CVE-2023-33846, IBM Support Bulletin CVE: CVE-2023-33846 NVD summary: IBM TXSeries for Multiplatforms 8.1, 8.2, 9.1, CICS TX Standard, 11.1, CICS TX Advanced 10.1, and 11.1 is vulnerable to cross-site scripting. This vulnerability […]
🟡 Medium ⏱ 15–45 min Last verified: 8 February 2023 Affected versions: IBM AIX 7.2 📖 ~4 min read • Source: NVD CVE-2022-34361, IBM Support Bulletin CVE: CVE-2022-34361 NVD summary: IBM Sterling Secure Proxy 6.0.3 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read • Source: Microsoft KB5029655 • MSRC update-guide entry Related CVEs: CVE-2023-36873 CVE-2023-36899 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
Introduction This tutorial covers How to Configure Custom Metrics with Prometheus on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Step 1 — Install Prometheus zypper install -y golang-github-prometheus-prometheus Step […]
🟢 Low ⏱ 5–15 min Last verified: 8 February 2023 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: tailscale — Insufficient inbound packet filtering in subnet routers and exit nodes Related CVEs: CVE-2022-41925 CVE-2023-28436 Upstream summary: Tailscale team reports: In Tailscale versions earlier than 1.66.0, exit nodes, subnet […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.0.7-r1 📖 ~4 min read • Source: Alpine secdb entry — fribidi 1.0.7-r1 Related CVEs: CVE-2019-18397 CVE-2022-25308 CVE-2022-25309 CVE-2022-25310 Upstream summary: Alpine main repository for vedge ships fribidi 1.0.7-r1 which addresses CVE-2019-18397. Table of contents Symptom […]
🟢 Low ⏱ 5–15 min Last verified: 8 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2020-24904 Upstream summary: An issue was discovered in attach parameter in GNOME Gmail version 2.5.4, allows remote attackers to gain sensitive information via crafted "mailto" link. Table of […]
🟢 Low ⏱ 5–15 min Last verified: 8 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2017-5592 Upstream summary: An incorrect implementation of "XEP-0280: Message Carbons" in multiple XMPP clients allows a remote attacker to impersonate any user, including contacts, in the vulnerable application's […]
