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CVE-2012-3375

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Date: October 3, 2012

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.

Language: C

Severity Score

Related Resources (13)

https://access.redhat.com/security/cve/CVE-2012-3375
https://people.canonical.com/~ubuntu-security/cve/CVE-2012-3375
http://secunia.com/advisories/51164
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=13d518074a952d33d47c428419693f63389547e9
https://nvd.nist.gov/vuln/detail/CVE-2012-3375
https://downloads.avaya.com/css/P8/documents/100165733
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
http://ubuntu.com/usn/usn-1529-1
https://bugzilla.redhat.com/show_bug.cgi?id=837502
https://github.com/torvalds/linux/commit/13d518074a952d33d47c428419693f63389547e9
https://www.mend.io/vulnerability-database/CVE-2012-3375

Severity Score

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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