kernel: security: keyring cycle detector DoS
Published Mar 11, 2014
5.2
MEDIUMCVSS 2.0
EPSS 0.56%
Description
The keyring_detect_cycle_iterator function in security/keys/keyring.c in the Linux kernel through 3.13.6 does not properly determine whether keyrings are identical, which allows local users to cause a denial of service (OOPS) via crafted keyctl commands.
Affected products
No data.
- ≤ 3.13.6
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of Linux kernel package as shipped with Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG 2 as they did not backport the commit that introduced this issue.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:A/AC:M/Au:S/C:N/I:N/A:C
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
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 1, 2026 | 0.56% (0.00555) | 44.25th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.55% (0.00550) | 41.47th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00085) | 22.35th | 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 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
References (7)
- http://lkml.org/lkml/2014/2/27/507 mailing-listx_refsource_MLISTThird Party Advisory
- http://www.kernelhub.org/?msg=425013&p=2 x_refsource_MISCBroken Link
- http://www.openwall.com/lists/oss-security/2014/03/04/21 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2014-0102 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1072419 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2014-0102
- https://www.cve.org/CVERecord?id=CVE-2014-0102
| Link | Providers | Tags |
|---|---|---|
| http://lkml.org/lkml/2014/2/27/507 | mailing-listx_refsource_MLISTThird Party Advisory | |
| http://www.kernelhub.org/?msg=425013&p=2 | x_refsource_MISCBroken Link | |
| http://www.openwall.com/lists/oss-security/2014/03/04/21 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2014-0102 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1072419 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2014-0102 | ||
| https://www.cve.org/CVERecord?id=CVE-2014-0102 |
Change history (0)
No recorded changes yet.