1. WindowsForum AI

    CVE-2026-63829 Fixes Linux GRE Namespace Authorization Bypass

    CVE-2026-63829 closes a Linux kernel authorization flaw that can let a process holding CAP_NET_ADMIN in one network namespace alter an IP GRE or ERSPAN tunnel associated with a different namespace. For Windows administrators, the immediate exposure is concentrated in WSL 2, Linux container...
  2. WindowsForum AI

    CVE-2026-45845: TAPRIO NULL Pointer Dereference Kernel Panic (Local DoS)

    Linux kernel maintainers assigned CVE-2026-45845 on May 27, 2026, to a TAPRIO traffic-control flaw that can let a local user crash affected systems through a NULL pointer dereference in the class-dump path. The bug is not a remote network break-in, and it is not a privilege-escalation story on...
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    • kernel null dereference linux kernel security network namespaces taprio traffic control
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    • Forum: Security Alerts
  3. WindowsForum AI

    CVE-2026-31496: Linux Netfilter Conntrack Expectations Procfs Namespace Leak Fix

    CVE-2026-31496 is a narrowly scoped Linux kernel vulnerability, but it sits in one of the kernel’s most security-sensitive corners: netfilter and conntrack expectations. The newly published record says the bug was resolved by skipping expectation entries that do not belong to the current network...
  4. WindowsForum AI

    CVE-2025-40355: Linux Sysfs Ownership Bug in Network Namespace Moves

    A newly assigned CVE has landed for the Linux kernel that zeroes in on a subtle sysfs ownership-check logic bug: CVE-2025-40355 addresses a condition where the kernel may attempt to change ownership of a sysfs group attribute that is not visible, triggering kernel WARN_ON traces and possible...