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CVE Record

CVE-2017-5972: The TCP stack in the Linux kernel 3.x does not properly implement a SYN cookie protection mechanism for the...

The TCP stack in the Linux kernel 3.x does not properly implement a SYN cookie protection mechanism for the case of a fast network connection, which allows remote attackers to cause a denial of service (CPU consumption) by sending many TCP SYN packets, as demonstrated by an attack against the kernel-3.10.0 package in CentOS Linux 7. NOTE: third parties have been unable to discern any relationship between the GitHub Engineering finding and the Trigemini.c attack code.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2017-5972 describes a Linux kernel TCP weakness that can let a remote attacker drive CPU exhaustion through heavy SYN traffic. The reported impact is denial of service, not data theft or code execution. Public severity scoring and affected-version detail are incomplete in the provided sources. Exposure is most plausible for internet-facing or high-throughput Linux 3.x systems accepting TCP connections, especially CentOS 7 systems using kernel-3.10.0-era packages. The source bundle does not provide a complete affected-version matrix. Prioritize remediation for exposed legacy Linux systems that support business-critical services. The business risk is availability disruption, not confirmed compromise. Urgency increases where systems are internet-facing, high bandwidth, or difficult to fail over. Mitigation focus: Inventory exposed Linux 3.x hosts and CentOS 7 kernel versions.; Check Red Hat, Debian, and distribution advisories for corrected kernel packages.; Apply supported vendor kernel updates where available..

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Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors
0Timeline events
0ADP providers
8Source links

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Affected products

Products and packages named in the record

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