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selinux

About this tag
SELinux is a mandatory access control (MAC) system integrated into several Linux distributions, including Microsoft's Azure Linux. On WindowsForum.com, discussions cover SELinux in the context of Azure Linux security hardening, such as its role in the OS Guard feature for immutable container hosts, and its use alongside AppArmor in Azure Linux 3.0 updates. Security advisories like CVE-2024-0409 highlight how X.Org cursor type confusion can corrupt SELinux labeling, emphasizing the need for patching. The tag also appears in broader Linux security topics, including comparisons with AppArmor and SELinux policies in enterprise environments. These threads are relevant for IT professionals managing Linux security, cloud infrastructure, and container workloads.
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    X.Org Cursor Type Confusion CVE-2024-0409 Patch Now to Protect SELinux

    A subtle type‑confusion in the X.Org cursor code — tracked as CVE‑2024‑0409 — can corrupt the SELinux labeling context and has been patched upstream; administrators running Xorg, Xwayland, Xephyr or affected VNC stacks should treat this as an availability‑first, high‑impact bug and apply vendor...
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    Azure Linux 3.0.20251021: AppArmor Controversy, HWE Kernels and AKS Guidance

    Microsoft’s latest Azure Linux 3.0 monthly roll-up — billed in Phoronix coverage as 3.0.20251021 — surfaces a mix of platform hardening, hardware enablement and packaging changes, and a surprising note about AppArmor that conflicts with existing Azure guidance; the update is important for AKS...
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    Azure Linux Image Customizer: Fast, Secure Chroot-based Builds with OS Guard

    Microsoft’s new Image Customizer for Azure Linux promises to shrink what used to be a lengthy, VM-driven image build process into a predictable, chroot-based workflow that operators can run in minutes — while integrating integrity protections such as dm-verity and code-integrity controls...
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    • aks attestation azure linux ci/cd cloud native container images dm-verity hardware attestation image customization immutable root integrity policy enforcement kubernetes reproducible builds sbom selinux signing supply chain system guard trusted launch
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    • Forum: Windows News
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    Nobara 42: The Gamer-First Fedora-Based Linux Distro

    Nobara’s newest release lands as a practical, gamer-friendly variation on Fedora that removes the usual post-install friction for players — but it does so by making deliberate trade-offs that every new user should understand before switching. Background Fedora has long been respected for its...
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    • apparmor brave browser dxvk fedora flatpak flatpost gamingdistro linux gaming lutris mesa nobara nvidia open source proton protonplus secure boot selinux steam
    • Replies: 0
    • Forum: Windows News
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    OS Guard on Azure Linux: Immutable, Signed Container Hosts

    Microsoft’s recent push to harden Azure Linux with a new “OS Guard” capability marks a notable shift in how cloud providers are thinking about host-level protections for container workloads, combining run‑time immutability, code integrity checks, and mandatory access control into an opinionated...
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    • aks attestation azure kubernetes service azure linux code integrity container security cross-platform security dm-verity enterprise security image customization immutable infrastructure integrity policy enforcement ipe kernel security secure boot selinux supply chain security system guard trusted launch vtpm
    • Replies: 0
    • Forum: Windows News
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    Azure Linux 3.0: Modern, Cloud-Native OS for AKS and WSL

    Azure Linux 3.0 has arrived and — quietly, deliberately — Microsoft has folded a modern, hardened, cloud-native Linux into the backbone of AKS, WSL, and a growing set of Azure services, shipping a new kernel, updated runtimes, multi-architecture builds and closer integration with cloud-native...
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    • aks arm64 azure linux containerd dapr fips image customization kubernetes linux kernel 6.6 multi-architecture node os openssl 3.3 security selinux systemd 255 terraform wsl wslg x86
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    • Forum: Windows News
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    Red Hat Summit 2025: Unlocking Enterprise Innovation with Microsoft and Red Hat Partnership

    As anticipation builds for Red Hat Summit 2025, all eyes in the enterprise technology sphere turn to the evolving partnership between Microsoft and Red Hat. Microsoft, announced as a platinum sponsor for the event, is set to not only highlight its latest cloud-native solutions but to reinforce...
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    • application modernization applicationstreams automation azure migration business continuity cloud integration cloud migration confidential computing container management container support database developer tools digital transformation disaster recovery encryption enterprise cloud enterprise linux gcc hardware support hybrid cloud java workloads kernel kubernetes linux microsoft azure multi-cloud multicloud solutions open source openshift performance red hat summit rhel on azure rhel10 security security compliance selinux webconsole
    • Replies: 1
    • Forum: Windows News
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    Azure Linux 3.0: AMD Drivers, SELinux Security & Container Enhancements

    Microsoft is shaking things up once again, proving that its love affair with Linux is more than a passing fling. The newest update to its specialized Linux distribution, Azure Linux 3.0.20250102, has landed, and it’s flexing some serious muscle. From juicing up AMD’s GPU-driven performance to...
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    • amd drivers azure linux cloud computing containerd linux distributions nvidia updates selinux
    • Replies: 0
    • Forum: Windows News
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