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CVE-2024-40961 is a NULL-pointer dereference in the Linux kernel IPv6 route-management path. During next-hop initialization, fib6_nh_init() invokes gateway validation, which can call ip6_route_check_nh(). That path obtains an IPv6 device object through in6_dev_get(), but did not account for that function returning NULL. Subsequent dereference of the absent IPv6 device object in fib6_nh_init() causes a kernel fault while processing IPv6 route creation.
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Linux kernel IPv6 possible NULL-pointer dereference in fib6_nh_init().
Linux kernel IPv6 potential NULL-pointer dereference in fib6_nh_init.
Linux kernel IPv6 NULL-pointer dereference in fib6_nh_init.
Linux kernel IPv6 possible NULL-pointer dereference in fib6_nh_init.
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Cross-references every affected SKU, including bundled OEM variants.
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