CVE-2025-40074

ADVISORY - nist

Summary

In the Linux kernel, the following vulnerability has been resolved:

ipv4: start using dst_dev_rcu()

Change icmpv4_xrlim_allow(), ip_defrag() to prevent possible UAF.

Change ipmr_prepare_xmit(), ipmr_queue_fwd_xmit(), ip_mr_output(), ipv4_neigh_lookup() to use lockdep enabled dst_dev_rcu().

EPSS Score⁠: 0.0017 (0.066)

ADVISORY - nist

ADVISORY - redhat

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