CVE-2020-36463: Data races in multiqueue

August 25, 2021 (updated June 13, 2023)

Affected versions of this crate unconditionally implemented Send for types used in queue implementations (InnerSend<RW, T>, InnerRecv<RW, T>, FutInnerSend<RW, T>, FutInnerRecv<RW, T>). This allows users to send non-Send types to other threads, which can lead to data race bugs or other undefined behavior.

References

github.com/advisories/GHSA-r2x6-vrxx-jgv4
github.com/schets/multiqueue
github.com/schets/multiqueue/issues/31
nvd.nist.gov/vuln/detail/CVE-2020-36463
raw.githubusercontent.com/rustsec/advisory-db/main/crates/multiqueue/RUSTSEC-2020-0143.md
rustsec.org/advisories/RUSTSEC-2020-0143.html

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