rust: synchronization problem in the MutexGuard object
Published Apr 14, 2021
5.9
MEDIUMCVSS 3.1
EPSS 0.80%
Description
In the standard library in Rust before 1.19.0, there is a synchronization problem in the MutexGuard object. MutexGuards can be used across threads with any types, allowing for memory safety issues through race conditions.
Affected products
No data.
No data.
Red Hat Enterprise Linux 8
rust-toolset:rhel8/rust
Not affected
Red Hat Enterprise Linux 9
rust
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | rust-toolset:rhel8/rust | Not affected | n/a |
| Red Hat Enterprise Linux 9 | rust | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.80% (0.00799) | 54.94th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.80% (0.00799) | 54.99th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.07% (0.00071) | 31.29th | v3 (v2023.03.01) |
| Dec 29, 2023 | 0.07% (0.00071) | 29.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00062) | 24.62th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (6)
- https://access.redhat.com/security/cve/CVE-2017-20004 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1950390 Issue Tracking
- https://github.com/rust-lang/rust/issues/41622 x_refsource_MISCPatchThird Party Advisory
- https://github.com/rust-lang/rust/pull/41624 x_refsource_MISCPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-20004
- https://www.cve.org/CVERecord?id=CVE-2017-20004
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2017-20004 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1950390 | Issue Tracking | |
| https://github.com/rust-lang/rust/issues/41622 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/rust-lang/rust/pull/41624 | x_refsource_MISCPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-20004 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-20004 |
Change history (0)
No recorded changes yet.