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CVE-2014-2739

4.6 · MEDIUM

The cma_req_handler function in drivers/infiniband/core/cma.c in the Linux kernel 3.14.x through 3.14.1 attempts to resolve an RDMA over Converged Ethernet (aka RoCE) address that is properly resol…

Published Apr 14, 2014linuxCWE-20EPSS 1.59%

Overview

CVE-2014-2739 is a medium-severity vulnerability affecting linux linux_kernel. It was published on April 14, 2014 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The cma_req_handler function in drivers/infiniband/core/cma.c in the Linux kernel 3.14.x through 3.14.1 attempts to resolve an RDMA over Converged Ethernet (aka RoCE) address that is properly resolved within a different module, which allows remote attackers to cause a denial of service (incorrect pointer dereference and system crash) via crafted network traffic.

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

References

Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b2853fd6c2d0f383dbdf7427e263eb576a633867Refwww.openwall.com/lists/oss-security/2014/04/10/9Refwww.securityfocus.com/bid/66716Refbugzilla.redhat.com/show_bug.cgi?id=1085415GitHubgithub.com/torvalds/linux/commit/b2853fd6c2d0f383dbdf7427e263eb576a633867Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b2853fd6c2d0f383dbdf7427e263eb576a633867Refwww.openwall.com/lists/oss-security/2014/04/10/9Refwww.securityfocus.com/bid/66716Refbugzilla.redhat.com/show_bug.cgi?id=1085415GitHubgithub.com/torvalds/linux/commit/b2853fd6c2d0f383dbdf7427e263eb576a633867

How CyberStrike helps

Frequently asked questions

What is CVE-2014-2739?

CVE-2014-2739 is a medium-severity vulnerability affecting linux linux_kernel. It was published on April 14, 2014 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

How severe is CVE-2014-2739?

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. 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-2014-2739?

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-2014-2739?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-2739 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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