netlink policy validation

  1. CVE-2026-31495: Linux ctnetlink Netlink Policy Validation Fix

    CVE-2026-31495 is a reminder that some of the most consequential Linux kernel flaws are not dramatic memory-corruption headlines but quiet trust-boundary failures in the networking stack. In this case, the kernel’s ctnetlink path accepted malformed netlink values that should have been rejected...
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    • conntrack ctnetlink cve 2026 31495 linux kernel security netlink policy validation
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  2. CVE-2026-31407 Netfilter Conntrack Netlink Validation Flaws: Patch Guidance

    Linux administrators have a fresh reason to inspect their kernel patching cadence: CVE-2026-31407 highlights a pair of netfilter conntrack validation gaps that can lead to out-of-bounds memory access in SCTP and ctnetlink handling. The vulnerability was published to the CVE List on April 6...
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    • linux kernel security memory safety netfilter conntrack netlink policy validation
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    • Forum: Security Alerts