CVE-2012-3375 EXPLOIT
4.9
MEDIUM · CVSS 2.0 · EPSS 1% (pctl 62)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 4.9 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:L/AC:L/Au:N/C:N/I:N/A:C |
| EPSS | 1.02% — more likely to be exploited than 62% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2012-10-03 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| linux | linux kernel |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Linux Kernel 3.2.24 - 'fs/eventpoll.c' Local Denial of Service | 2012-07-05 |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=13d518074a952d33d47c428419693f63389547e9
- http://secunia.com/advisories/51164
- http://ubuntu.com/usn/usn-1529-1
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24
- http://www.openwall.com/lists/oss-security/2012/07/04/2
- http://www.securitytracker.com/id?1027237
- https://bugzilla.redhat.com/show_bug.cgi?id=837502
- https://downloads.avaya.com/css/P8/documents/100165733
- https://github.com/torvalds/linux/commit/13d518074a952d33d47c428419693f63389547e9
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=13d518074a952d33d47c428419693f63389547e9
- http://secunia.com/advisories/51164
- http://ubuntu.com/usn/usn-1529-1
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24
- http://www.openwall.com/lists/oss-security/2012/07/04/2
- http://www.securitytracker.com/id?1027237
- https://bugzilla.redhat.com/show_bug.cgi?id=837502
- https://downloads.avaya.com/css/P8/documents/100165733
- https://github.com/torvalds/linux/commit/13d518074a952d33d47c428419693f63389547e9
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