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
0.003 Low
EPSS
Percentile
70.2%
The affected version of this crate 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 the following problems:
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.
32-bit targets with Atomic{I,U}64
and {i,u}64
have the same alignment are also not affected by this issue.
The following is a complete list of the builtin targets that may be affected. (last update: nightly-2022-02-11)
This has been fixed in crossbeam-utils 0.8.7.
Affected 0.8.x releases have been yanked.
https://github.com/crossbeam-rs/crossbeam/pull/781
This advisory is in the public domain.
CPE | Name | Operator | Version |
---|---|---|---|
crossbeam-utils | lt | 0.8.7 |
github.com/advisories/GHSA-qc84-gqf4-9926
github.com/crossbeam-rs/crossbeam/pull/781
github.com/crossbeam-rs/crossbeam/releases/tag/crossbeam-utils-0.8.7
github.com/crossbeam-rs/crossbeam/security/advisories/GHSA-qc84-gqf4-9926
nvd.nist.gov/vuln/detail/CVE-2022-23639
rustsec.org/advisories/RUSTSEC-2022-0041.html
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
0.003 Low
EPSS
Percentile
70.2%