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CVE-2015-7990

5.8 · MEDIUM

Race condition in the rds_sendmsg function in net/rds/sendmsg.c in the Linux kernel before 4.3.3 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possi…

Published Dec 28, 2015linuxCWE-362EPSS 0.35%

Overview

CVE-2015-7990 is a medium-severity vulnerability affecting linux linux_kernel. It was published on December 28, 2015 and has a CVSS 3.0 base score of 5.8 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.8, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

Race condition in the rds_sendmsg function in net/rds/sendmsg.c in the Linux kernel before 4.3.3 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by using a socket that was not properly bound. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-6937.

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_kernel0Affected

References

Refgit.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8c7188b23474cca017b3ef354c4a58456f68303aReflists.opensuse.org/opensuse-security-announce/2015-11/msg00035.htmlReflists.opensuse.org/opensuse-security-announce/2015-12/msg00005.htmlReflists.opensuse.org/opensuse-security-announce/2015-12/msg00018.htmlReflists.opensuse.org/opensuse-security-announce/2015-12/msg00026.htmlReflists.opensuse.org/opensuse-security-announce/2015-12/msg00031.htmlReflists.opensuse.org/opensuse-security-announce/2016-02/msg00007.htmlReflists.opensuse.org/opensuse-security-announce/2016-02/msg00009.htmlReflists.opensuse.org/opensuse-security-announce/2016-02/msg00013.htmlReflists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html

How CyberStrike helps

Frequently asked questions

What is CVE-2015-7990?

CVE-2015-7990 is a medium-severity vulnerability affecting linux linux_kernel. It was published on December 28, 2015 and has a CVSS 3.0 base score of 5.8 (MEDIUM).

How severe is CVE-2015-7990?

This vulnerability has a CVSS 3.0 base score of 5.8, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2015-7990?

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-2015-7990?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-7990 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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