systemd: TOCTOU race condition when updating file permissions and SELinux security contexts
Published Oct 28, 2013
5.0
MEDIUMCVSS 3.1
EPSS 0.47%
Description
systemd, when updating file permissions, allows local users to change the permissions and SELinux security contexts for arbitrary files via a symlink attack on unspecified files.
Affected products
No data.
- < 239
No data.
Red Hat Enterprise Linux 7
systemd
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | systemd | Will not fix | 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:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:L/AC:M/Au:N/C:P/I:P/A:N
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Jun 9, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.47% (0.00468) | 38.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.47% (0.00472) | 36.93th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.14% (0.00142) | 31.81th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00890) | 28.64th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00890) | 26.62th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00890) | 12.04th | v2 (v2022.01.01) |
References (6)
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725357 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- http://www.openwall.com/lists/oss-security/2013/10/01/9 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2013-4392 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=859060 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2013-4392
- https://www.cve.org/CVERecord?id=CVE-2013-4392
| Link | Providers | Tags |
|---|---|---|
| http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725357 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2013/10/01/9 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2013-4392 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=859060 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-4392 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-4392 |
Change history (0)
No recorded changes yet.