Patchfirst
CVE-2018-5390 EPSS 71.8%

Linux kernel versions 4.9+ can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of service.

Linux · Linux Kernel

Summary

The flaw is in the Linux Kernel (versions 4.9 and later), specifically in its TCP handling, where tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() can be forced to run at high cost for every incoming packet.

Heading is the official description · CVE.org
Breakdown
19.9 / 100
Exploited
Not confirmed
Reports
0
Tactics
0/15

Disclosed on 6 Aug 2018. No public exploit code or confirmed exploitation is recorded.

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

References

42 links, grouped by NVD tag

third-party-advisory 1

kb.cert.org/vuls/id/962459
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