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CVE-2014-3631

7.2 · HIGH

The assoc_array_gc function in the associative-array implementation in lib/assoc_array.c in the Linux kernel before 3.16.3 does not properly implement garbage collection, which allows local users t…

Published Sep 28, 2014linuxEPSS 0.96%

Overview

CVE-2014-3631 is a high-severity vulnerability affecting linux linux_kernel. It was published on September 28, 2014 and has a CVSS 2.0 base score of 7.2 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The assoc_array_gc function in the associative-array implementation in lib/assoc_array.c in the Linux kernel before 3.16.3 does not properly implement garbage collection, which allows local users to 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

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
linuxlinux_kernel>= 3.13, < 3.14.19Affected

References

Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=95389b08d93d5c06ec63ab49bd732b0069b7c35eRefosvdb.org/show/osvdb/111298Refwww.exploit-db.com/exploits/36268Refwww.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.16.3Refwww.securityfocus.com/bid/70095Refwww.ubuntu.com/usn/USN-2378-1Refwww.ubuntu.com/usn/USN-2379-1Refbugzilla.redhat.com/show_bug.cgi?id=1140325GitHubgithub.com/torvalds/linux/commit/95389b08d93d5c06ec63ab49bd732b0069b7c35eRefgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=95389b08d93d5c06ec63ab49bd732b0069b7c35e

How CyberStrike helps

Frequently asked questions

What is CVE-2014-3631?

CVE-2014-3631 is a high-severity vulnerability affecting linux linux_kernel. It was published on September 28, 2014 and has a CVSS 2.0 base score of 7.2 (HIGH).

How severe is CVE-2014-3631?

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2014-3631?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2014-3631?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-3631 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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