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Advisories
openSUSE Leap 15.4 Low libheif Integer Underflow Issue SUSE-SU-2026-3968-1
An update that solves one vulnerability can now be installed.
SUSE openSUSE Low Integer Underflow Vulnern CVE-2026-62289 2026-3968-1
An update that solves one vulnerability can now be installed.
SUSE Python Update Advisory 2026-3969-1 - Addresses File Installation Risks
An update that solves three vulnerabilities can now be installed.
openSUSE Python-h2 Moderate Request Smuggling Vulnerability CVE-2026-71554
An update that solves one vulnerability can now be installed.
SUSE Python H2 Moderate Request Smuggling Vuln 2026-3970-1
An update that solves one vulnerability can now be installed.
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Featured Articles
Why DNS Attacks Can Outrun Linux Security Monitoring
A Linux host intrusion prevention system can fail even when the protected server still has spare...
Linux Network Cleanup Bug Can Trigger a Kernel Use-After-Free
RxRPC is a Linux kernel transport for remote procedure calls. A teardown race reported in August...
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Most Linux eBPF Security Studies Overlook eBPF’s Own Risks
An eBPF security system can produce precise Linux telemetry while leaving a harder question...
KubeCap Finds Excess Linux Capabilities in Kubernetes Workloads
A Kubernetes workload can run with more Linux capabilities than its code needs. When capability...
Linux Kernel 7.1-rc5 Tracing Reader Use-After-Free Bug Discovery
Removing a Linux trace instance should end its lifetime. An open tracefs reader can currently keep...
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Latest Linux Security News
Why Tails OS Is Changing How a Linux Distro Ships Security Updates
CISA Flags Exploited Kestra Flaw That Lets Attackers Run Commands in Linux Containers
A newly confirmed Kestra vulnerability is being exploited in the wild. CISA added CVE-2026-49869 to its Known Exploited Vulnerabilities catalog on Sep 2, 2026, turning an already serious authentication bypass into a current incident-response concern....
Internet Routing Attack Sent Malicious Updates to Linux Servers
Virtualizor has confirmed that a BGP hijack redirected traffic for part of its update infrastructure and allowed an attacker-controlled server to deliver a malicious update package to a small number of installations. The company disclosed the inciden...
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HOWTOs
Continuous Linux Security: Why a Hardening Checklist Is Not Enough
A Linux server can be carefully hardened before it reaches production and still become less secure over time. Hardening means reducing unnecessary services, accounts, permissions, and other ways into the system. That work matters, but it describes th...
Linux Patching Best Practices: Designing a Patch Validation Workflow
Patch work often gets declared finished at the package manager. The update installs, version inventory changes, the service restarts, and the ticket begins moving toward closed. That sequence is clean. Production rarely is.
Linux Software Supply Chain & Security Workflows
A Linux system can be hardened, monitored, and carefully administered while still receiving untrusted code through a package, dependency, container image, build runner, or deployment pipeline. The risk often begins before the software reaches the hos...
Linux Incident Response & Recovery
An alert suggests that a Linux server may be compromised. The first impulse is often to reboot it, stop a process, delete a suspicious file, or patch the visible weakness. During Linux incident response, those actions can erase the evidence needed to...
Linux Hardening, Architecture & Isolation
Linux hardening is not the act of enabling every restrictive setting a distribution provides. It is the work of reducing unnecessary exposure, limiting what users and processes can do, separating workloads, and confirming that those controls remain e...
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