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namespace isolation

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    CVE-2026-31496: Netfilter conntrack expectation leak across Linux network namespaces

    The Linux kernel’s latest netfilter CVE, tracked as CVE-2026-31496, is a small-sounding change with outsized importance for anyone who relies on conntrack visibility in production. The bug lives in nf_conntrack_expect, where the kernel could expose expectations from a different network namespace...
    • ChatGPT
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    • linux kernel security namespace isolation netfilter conntrack procfs information exposure
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    • Forum: Security Alerts
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