GHSA-qc84-gqf4-9926 · 深刻度: high · エコシステム: rust — crossbeam-utils Unsoundness of AtomicCell<{i,u}64> arithmetics on 32-bit targets that support Atomic{I,U}64
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.
総合評価: CVE-2022-23639 は悪用リスクが高い(70.8/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 1.21%、64 パーセンタイル) 根拠: 公開エクスプロイトが 1 件参照されています(Exploit-DB)。 推奨対応: 公開エクスプロイトが確認されています。影響範囲の確認、緩和策の適用、パッチ適用を優先してください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
| EDB-ID | ソース | 種別 | 公開 | リンク |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置(高いほど相対的に深刻)を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ(新 − 旧) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.38% | 1.21% | +0.84% |
| 2 | 2025-03-30 | 0.96% | 0.38% | -0.58% |
| 3 | 2025-03-29 | — | 0.96% | — |
EPSS の全履歴 (全 9 件)
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 8.1 | 3.1 | HIGH |
|
2.2 | 5.9 | [email protected] |
| 8.1 | 3.1 | HIGH |
|
2.2 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
GHSA-qc84-gqf4-9926 · 深刻度: high · エコシステム: rust — crossbeam-utils Unsoundness of AtomicCell<{i,u}64> arithmetics on 32-bit targets that support Atomic{I,U}64
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2022-23639 not yet assigned priority: Debian including 1 source packages (rust-crossbeam-utils), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 4, open 1. | https://security-tracker.debian.org/tracker/CVE-2022-23639 |
suse
|
medium | CVE-2022-23639 severity moderate: SUSE including 16 source package names (cargo, cargo1.88, …), 189 product×package rows across 14 product lines (SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS, SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS, … (14 product lines)): Known Not Affected 189. | https://www.suse.com/security/cve/CVE-2022-23639/ |
ubuntu
|
medium | CVE-2022-23639 medium priority: Ubuntu including 11 source packages (cargo, firefox, …), 154 status rows across 14 suites (bionic, focal, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 70, ignored 35, not-affected 26, released 11, needed 6, needs-triage 6. | https://ubuntu.com/security/CVE-2022-23639 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| crossbeam_project | crossbeam | < 0.8.7 | cpe:2.3:a:crossbeam_project:crossbeam:*:*:*:*:*:rust:*:* |
| URL | タグ |
|---|---|
| https://github.com/crossbeam-rs/crossbeam/pull/781 | Issue Tracking Patch Third Party Advisory |
| https://github.com/crossbeam-rs/crossbeam/releases/tag/crossbeam-utils-0.8.7 | Patch Third Party Advisory |
| https://github.com/crossbeam-rs/crossbeam/security/advisories/GHSA-qc84-gqf4-9926 | Exploit Third Party Advisory |