CVE-2022-23639 is a critical vulnerability in crossbeam-utils versions prior to 0.8.7, affecting Rust applications that utilize AtomicCell with i64/u64 on 32-bit targets. The flaw stems from an incorrect assumption about memory alignment, leading to unaligned memory accesses and potential data races. With a CVSS score of 8.1 (HIGH), this vulnerability is remotely exploitable with high impact on confidentiality, integrity, and availability, though it requires high attack complexity. There is currently no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.8.7CPE matchmatch criteria | cpe:2.3:a:crossbeam_project:crossbeam:*:*:*:*:*:rust:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
CVE-2022-23639
Sep 10, 2024crossbeam-utils Unsoundness of AtomicCell<{i,u}64> arithmetics on 32-bit targets that support Atomic{I,U}64
Feb 16, 2022Improper Restriction of Operations within the Bounds of a Memory Buffer and Race Condition in crossbeam-utils
Feb 8, 2022