The epoll_ctl system call in fs/eventpoll.c in the Linux kernel before 3.2.24 does not…
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- Partial Red Hat: 3 fixed, 1 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
The epoll_ctl system call in fs/eventpoll.c in the Linux kernel before 3.2.24 does not properly handle ELOOP errors in EPOLL_CTL_ADD operations, which allows local users to cause a denial of service (file-descriptor consumption and system crash) via a crafted application that attempts to create a circular epoll dependency. NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-1083.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 67
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | up to 3.2.23 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.1:*:*:*:*:*:*:* | 3.0.1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:* | 3.0.2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:* | 3.0.3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.4:*:*:*:*:*:*:* | 3.0.4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:* | 3.0.5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.6:*:*:*:*:*:*:* | 3.0.6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:* | 3.0.7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.8:*:*:*:*:*:*:* | 3.0.8 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:* | 3.0.9 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 3.2.23 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.1:*:*:*:*:*:*:* Versions 3.0.1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:* Versions 3.0.2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:* Versions 3.0.3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.4:*:*:*:*:*:*:* Versions 3.0.4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:* Versions 3.0.5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.6:*:*:*:*:*:*:* Versions 3.0.6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:* Versions 3.0.7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.8:*:*:*:*:*:*:* Versions 3.0.8 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:* Versions 3.0.9 Vulnerable ·Linux
Show 57 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:3.0.10:*:*:*:*:*:*:* | 3.0.10 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.11:*:*:*:*:*:*:* | 3.0.11 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:* | 3.0.12 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.13:*:*:*:*:*:*:* | 3.0.13 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:* | 3.0.14 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:* | 3.0.15 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.16:*:*:*:*:*:*:* | 3.0.16 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.17:*:*:*:*:*:*:* | 3.0.17 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.18:*:*:*:*:*:*:* | 3.0.18 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.19:*:*:*:*:*:*:* | 3.0.19 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.20:*:*:*:*:*:*:* | 3.0.20 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.21:*:*:*:*:*:*:* | 3.0.21 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:* | 3.0.22 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.23:*:*:*:*:*:*:* | 3.0.23 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:* | 3.0.24 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:* | 3.0.25 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:* | 3.0.26 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.27:*:*:*:*:*:*:* | 3.0.27 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.28:*:*:*:*:*:*:* | 3.0.28 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:* | 3.0.29 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:* | 3.0.30 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:* | 3.0.31 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.32:*:*:*:*:*:*:* | 3.0.32 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.33:*:*:*:*:*:*:* | 3.0.33 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0.34:*:*:*:*:*:*:* | 3.0.34 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:* | 3.1.1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:* | 3.1.2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:* | 3.1.3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:* | 3.1.4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:* | 3.1.5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.1.6:*:*:*:*:*:*:* | 3.1.6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:* | 3.1.7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.1.8:*:*:*:*:*:*:* | 3.1.8 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.1.9:*:*:*:*:*:*:* | 3.1.9 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:* | 3.1.10 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:* | 3.2.1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.2:*:*:*:*:*:*:* | 3.2.2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:* | 3.2.3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.4:*:*:*:*:*:*:* | 3.2.4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.5:*:*:*:*:*:*:* | 3.2.5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.6:*:*:*:*:*:*:* | 3.2.6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:* | 3.2.7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:* | 3.2.8 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.9:*:*:*:*:*:*:* | 3.2.9 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.10:*:*:*:*:*:*:* | 3.2.10 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.11:*:*:*:*:*:*:* | 3.2.11 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:* | 3.2.12 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.13:*:*:*:*:*:*:* | 3.2.13 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.14:*:*:*:*:*:*:* | 3.2.14 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.15:*:*:*:*:*:*:* | 3.2.15 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.16:*:*:*:*:*:*:* | 3.2.16 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:* | 3.2.17 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:* | 3.2.18 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:* | 3.2.19 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.20:*:*:*:*:*:*:* | 3.2.20 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:* | 3.2.21 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:* | 3.2.22 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:3.0.10:*:*:*:*:*:*:* Versions 3.0.10 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.11:*:*:*:*:*:*:* Versions 3.0.11 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:* Versions 3.0.12 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.13:*:*:*:*:*:*:* Versions 3.0.13 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:* Versions 3.0.14 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:* Versions 3.0.15 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.16:*:*:*:*:*:*:* Versions 3.0.16 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.17:*:*:*:*:*:*:* Versions 3.0.17 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.18:*:*:*:*:*:*:* Versions 3.0.18 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.19:*:*:*:*:*:*:* Versions 3.0.19 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.20:*:*:*:*:*:*:* Versions 3.0.20 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.21:*:*:*:*:*:*:* Versions 3.0.21 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:* Versions 3.0.22 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.23:*:*:*:*:*:*:* Versions 3.0.23 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:* Versions 3.0.24 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:* Versions 3.0.25 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:* Versions 3.0.26 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.27:*:*:*:*:*:*:* Versions 3.0.27 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.28:*:*:*:*:*:*:* Versions 3.0.28 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:* Versions 3.0.29 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:* Versions 3.0.30 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:* Versions 3.0.31 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.32:*:*:*:*:*:*:* Versions 3.0.32 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.33:*:*:*:*:*:*:* Versions 3.0.33 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0.34:*:*:*:*:*:*:* Versions 3.0.34 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:* Versions 3.1.1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:* Versions 3.1.2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:* Versions 3.1.3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:* Versions 3.1.4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:* Versions 3.1.5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.1.6:*:*:*:*:*:*:* Versions 3.1.6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:* Versions 3.1.7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.1.8:*:*:*:*:*:*:* Versions 3.1.8 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.1.9:*:*:*:*:*:*:* Versions 3.1.9 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:* Versions 3.1.10 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:* Versions 3.2.1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.2:*:*:*:*:*:*:* Versions 3.2.2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:* Versions 3.2.3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.4:*:*:*:*:*:*:* Versions 3.2.4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.5:*:*:*:*:*:*:* Versions 3.2.5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.6:*:*:*:*:*:*:* Versions 3.2.6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:* Versions 3.2.7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:* Versions 3.2.8 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.9:*:*:*:*:*:*:* Versions 3.2.9 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.10:*:*:*:*:*:*:* Versions 3.2.10 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.11:*:*:*:*:*:*:* Versions 3.2.11 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:* Versions 3.2.12 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.13:*:*:*:*:*:*:* Versions 3.2.13 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.14:*:*:*:*:*:*:* Versions 3.2.14 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.15:*:*:*:*:*:*:* Versions 3.2.15 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.16:*:*:*:*:*:*:* Versions 3.2.16 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:* Versions 3.2.17 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:* Versions 3.2.18 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:* Versions 3.2.19 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.20:*:*:*:*:*:*:* Versions 3.2.20 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:* Versions 3.2.21 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:* Versions 3.2.22 Vulnerable ·Linux
Remediation
Red Hat 2 advisories
- RHSA-2012:1150 Released 2012-08-08 · Red Hat rating Moderatekernel-rt security and bug fix update
- Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-3.0.36-rt57.66.el6rt, kernel-rt-debug-3.0.36-rt57.66.el6rt, kernel-rt-debug-devel-3.0.36-rt57.66.el6rt +7
- RHSA-2012:1061 Released 2012-07-10 · Red Hat rating Moderatekernel security and bug fix update
- Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-308.11.1.el5, kernel-2.6.18-308.11.1.el5.ia64, kernel-PAE-2.6.18-308.11.1.el5 +18
- Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-308.11.1.el5, kernel-PAE-2.6.18-308.11.1.el5, kernel-PAE-devel-2.6.18-308.11.1.el5 +8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix yet |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2012:1061 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2012:1061 |
| Red Hat MRG Realtime for RHEL 6 Server v.2 | Fixed | RHSA-2012:1150 |
Timeline
- 2026-10-02 Threatist record created from CVE-2012-3375
- 2026-10-03 Alias added: GHSA-6f4r-j475-m5hg
References
Advisory 1
Other 5
- https://downloads.avaya.com/css/P8/documents/100165733
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24
- [oss-security] 20120704 Re: CVE Request -- kernel: epoll: can leak file descriptors when returning -ELOOP
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=13d518074a952d33d47c428419693f63389547e9
- https://bugzilla.redhat.com/show_bug.cgi?id=837502
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Sources
- CVE-2012-3375 · CVE Program
- CVE-2012-3375 · NVD
- FIRST EPSS
- GHSA-6f4r-j475-m5hg · GitHub Advisory Database · CC BY 4.0
- CVE-2012-3375 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences