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eBPF Security Research Adds State-Aware Syscall Filtering
  

eBPF Security Research Adds State-Aware Syscall Filtering

A Linux service may need broad system-call access while it starts, then only a smaller set while it handles requests.

Linux Kernel 7.1-rc5 Tracing Reader Use-After-Free Bug Discovery
  

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 using that instance after

KubeCap Finds Excess Linux Capabilities in Kubernetes Workloads
  

KubeCap Finds Excess Linux Capabilities in Kubernetes Workloads

A Kubernetes workload can run with more Linux capabilities than its code needs. When capability settings are missing or broad,

AI harnesses for telco autonomous networks
  

AI harnesses for telco autonomous networks

As the telco industry transitions toward Autonomous Networks Level 4, a fundamental architectural challenge has emerged: how do you build

Linux Patching Best Practices: Designing a Patch Validation Workflow
  

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

Linux Kernel Vulnerability News: Linux Security Roundup
  

Linux Kernel Vulnerability News: Linux Security Roundup

Linux kernel vulnerability news dominated the security updates published from August 20 through August 27. Ubuntu, Debian, Fedora, Mageia, Oracle

NFS Client Cleanup Fix Removes Orphaned rpc_pipefs Files
  

NFS Client Cleanup Fix Removes Orphaned rpc_pipefs Files

Linus Torvalds merged a Linux NFS client update on Aug 26, 2026, that includes a fix for rpc_pipefs files left

AppArmor Credential Fix Prevents In-Hook Use-After-Free Risk
  

AppArmor Credential Fix Prevents In-Hook Use-After-Free Risk

A Linux security hook should be able to check a task without invalidating the identity data that surrounding kernel code

Linux Uevent Leak Exposes Freed Memory in Synaptics RMI4
  

Linux Uevent Leak Exposes Freed Memory in Synaptics RMI4

A Linux uevent can carry bytes from freed kernel memory when one object survives longer than the allocation behind its

IPMI Security Patch Restores a Lost Linux RCU Grace Period
  

IPMI Security Patch Restores a Lost Linux RCU Grace Period

The Linux IPMI maintainer accepted a patch on Aug 26, 2026 that restores an RCU grace period before command-receiver objects

Linux Incident Response & Recovery
  

Linux Incident Response & Recovery

An alert suggests that a Linux server may be compromised. The first impulse is often to reboot it, stop a

Linux Software Supply Chain & Security Workflows
  

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

Linux RDS Bug Lets an RDMA Peer Overrun Kernel Path Storage
  

Linux RDS Bug Lets an RDMA Peer Overrun Kernel Path Storage

Linux RDS can accept a path count that is larger than the storage allocated for an InfiniBand connection. A peer

Linux dm-integrity Patch Targets Writeback Checksum Mismatches
  

Linux dm-integrity Patch Targets Writeback Checksum Mismatches

A Linux dm-integrity patch posted on Aug 24, 2026 targets a writeback race that can leave stored data with the

Linux Hardening, Architecture & Isolation
  

Linux Hardening, Architecture & Isolation

Linux hardening is not the act of enabling every restrictive setting a distribution provides. It is the work of reducing

Arduino® VENTUNO™ Q is available for pre-order with Ubuntu pre-installed
  

Arduino® VENTUNO™ Q is available for pre-order with Ubuntu pre-installed

London, UK – August 25, 2026 – Following our initial collaboration announcement in March 2026, Canonical and Arduino (a subsidiary

Linux 7.3 Development Changes IMA Measured Boot Evidence and TPM Timing
  

Linux 7.3 Development Changes IMA Measured Boot Evidence and TPM Timing

Code merged for the Linux 7.3 development cycle changes the measured boot evidence produced by the Integrity Measurement Architecture, or

eBPF Security Patch Expands Link Checks Across Cgroup and LSM Hooks
  

eBPF Security Patch Expands Link Checks Across Cgroup and LSM Hooks

A Linux BPF patch posted on August 21, 2026, expands validation for program replacement across cgroup and Linux Security Module

BPF Congestion Control Exposed Two Linux TCP Use-After-Free Paths
  

BPF Congestion Control Exposed Two Linux TCP Use-After-Free Paths

A Linux TCP query can touch congestion-control memory after a concurrent BPF update has freed it. Two new use-after-free reports

Kata Containers Flaw Weakens Container Security With Host-Chosen Mounts
  

Kata Containers Flaw Weakens Container Security With Host-Chosen Mounts

A flaw in Kata Containers weakened container security in some Confidential Containers deployments. It allowed a malicious host operator to

KVM’s TDX Control-Plane Blind Spot: When “Enabled” Does Not Mean Enforced
  

KVM’s TDX Control-Plane Blind Spot: When “Enabled” Does Not Mean Enforced

Recent KVM work exposed a gap between what Linux says a TDX protection supports and what the TDX-specific code actually

  

Kata Containers Flaw Weakens Container Security With Host-Chosen Mounts

A flaw in Kata Containers weakened container security in some Confidential Containers deployments. It allowed a malicious host operator to

eBPF Security Is Moving Beyond the Kernel Verifier
  

eBPF Security Is Moving Beyond the Kernel Verifier

eBPF security is often summarized in one sentence: Linux loads an eBPF program only after the kernel verifier accepts it

Linux ShieldZFS Adds Freshness Proofs for Confidential Computing
  

Linux ShieldZFS Adds Freshness Proofs for Confidential Computing

Confidential computing can protect sensitive workloads even when the cloud host cannot be fully trusted. Confidential virtual machines can shield