glibc: svc_run() produces high cpu usage when accept() fails with EMFILE error
Published May 2, 2013
5.0
MEDIUMCVSS 2.0
EPSS 1.83%
Description
The svc_run function in the RPC implementation in glibc before 2.15 allows remote attackers to cause a denial of service (CPU consumption) via a large number of RPC connections.
Affected products
No data.
- ≤ 2.14
- 2.0
- 2.0.1
- 2.0.2
- 2.0.3
- 2.0.4
- 2.0.5
- 2.0.6
- 2.1
- 2.1.1
- 2.1.1.6
- 2.1.2
- 2.1.3
- 2.1.9
- 2.13
No data.
Red Hat Enterprise Linux 4
glibc-0:2.3.4-2.57
Fixed · RHSA-2012:0125
Red Hat Enterprise Linux 5
glibc-0:2.5-65.el5_7.3
Fixed · RHSA-2012:0126
Red Hat Enterprise Linux 6
glibc-0:2.12-1.47.el6_2.5
Fixed · RHSA-2012:0058
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | glibc-0:2.3.4-2.57 | Fixed | RHSA-2012:0125 |
| Red Hat Enterprise Linux 5 | glibc-0:2.5-65.el5_7.3 | Fixed | RHSA-2012:0126 |
| Red Hat Enterprise Linux 6 | glibc-0:2.12-1.47.el6_2.5 | Fixed | RHSA-2012:0058 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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:N/AC:L/Au:N/C:N/I:N/A:P
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.83% (0.01834) | 78.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.83% (0.01834) | 76.05th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.73% (0.00727) | 70.93th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.24% (0.00235) | 62.42th | v3 (v2023.03.01) |
| Mar 22, 2024 | 0.24% (0.00235) | 60.83th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.30% (0.00296) | 68.49th | v3 (v2023.03.01) |
| Nov 18, 2023 | 0.30% (0.00296) | 65.98th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.33% (0.00334) | 66.58th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.05% (0.01055) | 51.58th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.21% (0.01213) | 65.91th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (4)
- https://access.redhat.com/security/cve/CVE-2011-4609 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=767299 x_refsource_CONFIRMIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-4609
- https://www.cve.org/CVERecord?id=CVE-2011-4609
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2011-4609 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=767299 | x_refsource_CONFIRMIssue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-4609 | ||
| https://www.cve.org/CVERecord?id=CVE-2011-4609 |
Change history (0)
No recorded changes yet.