CVE-2022-23639
Vulnerability from cvelistv5
Published
2022-02-15 18:20
Modified
2024-08-03 03:51
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
crossbeam-utils provides atomics, synchronization primitives, scoped threads, and other utilities for concurrent programming in Rust. crossbeam-utils prior to version 0.8.7 incorrectly assumed that the alignment of `{i,u}64` was always the same as `Atomic{I,U}64`. However, the alignment of `{i,u}64` on a 32-bit target can be smaller than `Atomic{I,U}64`. This can cause unaligned memory accesses and data race. Crates using `fetch_*` methods with `AtomicCell<{i,u}64>` are affected by this issue. 32-bit targets without `Atomic{I,U}64` and 64-bit targets are not affected by this issue. This has been fixed in crossbeam-utils 0.8.7. There are currently no known workarounds.
References
security-advisories@github.comhttps://github.com/crossbeam-rs/crossbeam/pull/781Issue Tracking, Patch, Third Party Advisory
security-advisories@github.comhttps://github.com/crossbeam-rs/crossbeam/releases/tag/crossbeam-utils-0.8.7Patch, Third Party Advisory
security-advisories@github.comhttps://github.com/crossbeam-rs/crossbeam/security/advisories/GHSA-qc84-gqf4-9926Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/crossbeam-rs/crossbeam/pull/781Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/crossbeam-rs/crossbeam/releases/tag/crossbeam-utils-0.8.7Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/crossbeam-rs/crossbeam/security/advisories/GHSA-qc84-gqf4-9926Exploit, Third Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

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