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[email protected]CVE-2022-23639

HistoryFeb 15, 2022 - 7:15 p.m.

CVE-2022-23639

2022-02-1519:15:08

CWE-362

[email protected]

web.nvd.nist.gov

265

cve-2022-23639

crossbeam-utils

rust

atomics

synchronization

concurrency

data race

memory access

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

7.8 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

70.2%

JSON

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.

Affected configurations

Vulners

NVD

Node

crossbeam-rscrossbeamRange<0.8.7

CPENameOperatorVersion
crossbeam_project:crossbeamcrossbeam project crossbeamlt0.8.7

CPE	Name	Operator	Version
crossbeam_project:crossbeam	crossbeam project crossbeam	lt	0.8.7

CNA Affected

[
  {
    "product": "crossbeam",
    "vendor": "crossbeam-rs",
    "versions": [
      {
        "status": "affected",
        "version": "< 0.8.7"
      }
    ]
  }
]