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3 articles tagged #Linux.

Cybersecurity/Vulnerability Management·Jul 8, 2026·5 min read

CVE-2026-46242 "Bad Epoll": The Linux Kernel Bug That Hands Out Root

A race condition in the Linux kernel's epoll subsystem lets any local user become root, with a working exploit that succeeds 99% of the time. Here's who's affected, why epoll makes this so widespread, and what to patch.

SecurityCybersecurityCVE

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CVE-2026-53359 'Januscape': A 16-Year-Old KVM Bug Lets a Guest VM Take Root on the Host

P.02

Cybersecurity/Vulnerability Management·Jul 7, 2026·6 min read

CVE-2026-53359 'Januscape': A 16-Year-Old KVM Bug Lets a Guest VM Take Root on the Host

A use-after-free in Linux's KVM hypervisor, present since 2010, lets an untrusted guest VM crash or fully compromise its host. Fixed stable kernels shipped July 4, 2026. Here's who's exposed and what to do if you can't patch today.

CybersecurityCVECloud & Infrastructure

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eBPF in 2026: The Observability Superpower Hiding in Your Linux Kernel

P.03

Cloud & Infrastructure/Observability·May 31, 2026·7 min read

eBPF in 2026: The Observability Superpower Hiding in Your Linux Kernel

eBPF lets you attach programs to any kernel hook — network packets, system calls, function calls — without patching the kernel or rebooting. Here's what application developers actually need to know.

DevOpsInfrastructureBackend

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