Skip to main content

CVE detail

CVE-2018-5390

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.

CVSS 7.5 · HighBuzz score 20.4

Buzz score

Why this CVE is surfacing

Buzz score total 20.4

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 13.9 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
13.9
3 evidence mentions in the snapshot
Diversity score
6.5
2 sources across 1 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
3 source links · newest first
  • Siemens has released six new advisories for its April 2020 Patch Tuesday updates, including three that inform customers about the impact of the SegmentSmack vulnerability on some of the company’s industrial products.

    newswww.securityweek.comApr 14, 2020, 1:36 PM
  • Linux kernel maintainers have rolled out security updates for two DoS vulnerabilities tracked as SegmentSmack and FragmentSmack. Linux kernel maintainers have released security patches that address two vulnerabilities, tracked as two bugs are known as SegmentSmack (CVE-2018-5390) and FragmentSmack (CVE-2018-5391). potentially exploitable to trigger a DoS condition. The vulnerabilities reside the Linux kernel’s TCP stack, an attacker can […]

    newssecurityaffairs.comAug 17, 2018, 3:41 PM
  • A vulnerability in the Linux kernel can allow a remote attacker to trigger a denial-of-service (DoS) condition by sending specially crafted packets to the targeted system. The flaw could impact many companies.

    newswww.securityweek.comAug 7, 2018, 2:39 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

Similar CVEs

6 related CVEs with shared weakness or product evidence