SB2014092812 - Input validation error in Linux kernel
Published: September 28, 2014 Updated: August 10, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2014-3631)
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 (NULL pointer dereference and system crash) or possibly have unspecified other impact via multiple "keyctl newring" operations followed by a "keyctl timeout" operation.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=95389b08d93d5c06ec63ab49bd732b0069b7c35e
- http://osvdb.org/show/osvdb/111298
- http://www.exploit-db.com/exploits/36268
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.16.3
- http://www.securityfocus.com/bid/70095
- http://www.ubuntu.com/usn/USN-2378-1
- http://www.ubuntu.com/usn/USN-2379-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1140325
- https://github.com/torvalds/linux/commit/95389b08d93d5c06ec63ab49bd732b0069b7c35e