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CVE-2025-21765

ipv6: use RCU protection in ip6_default_advmss()

Published: 2/27/2025 Last updated: 5/12/2026 Reserved: 12/29/2024

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU protection in ip6_default_advmss() ip6_default_advmss() needs rcu protection to make sure the net structure it reads does not disappear.

CNA assigner: Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67) Requested by: n/a

Opam packages affected (29)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes ortools_solvers orun rawlink rawlink-eio rawlink-lwt restricted shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (4)

Product Vendor Version
Linux Linux n/a
Linux Linux MDM9206, MDM9607, MSM8909W, SD 210/SD 212/SD 205, SD 410/12
Linux Linux < 52
Linux Linux 2010 Service Pack 2 (64-bit editions)

References (24)