CVE-2022-49594

tcp: Fix a data-race around sysctl_tcp_mtu_probe_floor.

Published: 2/26/2025 Last updated: 5/4/2025 Reserved: 2/26/2025

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctl_tcp_mtu_probe_floor. While reading sysctl_tcp_mtu_probe_floor, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.

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

Opam packages affected (27)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes orun rawlink rawlink-eio rawlink-lwt 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 (2)

Product	Vendor	Version
Linux	Linux	< 10.0.17763.7136
Linux	Linux	< 10.0.20348.1668

References (5)

https://git.kernel.org/stable/c/033963b220633ed1602d458e7e4ac06afa9fefb2
https://git.kernel.org/stable/c/d5bece4df6090395f891110ef52a6f82d16685db
https://git.kernel.org/stable/c/cc36c37f5fe066c4708e623ead96dc8f57224bf5
https://git.kernel.org/stable/c/e2ecbf3f0aa88277d43908c53b99399d55729ff9
https://git.kernel.org/stable/c/8e92d4423615a5257d0d871fc067aa561f597deb