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CVE-2015-1465

7.8 · HIGH

The IPv4 implementation in the Linux kernel before 3.18.8 does not properly consider the length of the Read-Copy Update (RCU) grace period for redirecting lookups in the absence of caching, which a…

Published Apr 5, 2015linuxCWE-17EPSS 6.47%

Overview

CVE-2015-1465 is a high-severity vulnerability affecting linux linux_kernel. It was published on April 5, 2015 and has a CVSS 2.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The IPv4 implementation in the Linux kernel before 3.18.8 does not properly consider the length of the Read-Copy Update (RCU) grace period for redirecting lookups in the absence of caching, which allows remote attackers to cause a denial of service (memory consumption or system crash) via a flood of packets.

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>= 3.10.50, < 3.10.70Affected

References

Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=df4d92549f23e1c037e83323aff58a21b3de7fe0Reflists.opensuse.org/opensuse-security-announce/2015-08/msg00011.htmlReflists.opensuse.org/opensuse-security-announce/2015-09/msg00008.htmlReflists.opensuse.org/opensuse-security-announce/2015-09/msg00009.htmlRefwww.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.8Refwww.openwall.com/lists/oss-security/2015/02/03/13Refwww.securityfocus.com/bid/72435Refwww.securitytracker.com/id/1036763Refwww.ubuntu.com/usn/USN-2545-1Refwww.ubuntu.com/usn/USN-2546-1

How CyberStrike helps

Frequently asked questions

What is CVE-2015-1465?

CVE-2015-1465 is a high-severity vulnerability affecting linux linux_kernel. It was published on April 5, 2015 and has a CVSS 2.0 base score of 7.8 (HIGH).

How severe is CVE-2015-1465?

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-1465?

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-2015-1465?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-1465 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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