#VU43440 Input validation error in Linux kernel - CVE-2012-3375
Published: October 3, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43440
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2012-3375
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows local users to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (file-descriptor consumption and system crash) via a crafted application that attempts to create a circular epoll dependency.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
External links
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=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