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CVE-2017-7397

** DISPUTED ** BackBox Linux 4.6 allows remote attackers to cause a denial of service (ksoftirqd...

7.5 HighPublic exploitDisputed

CVE-2017-7397 is a high vulnerability (CVSS 7.5) in Backbox Linux, published April 3, 2017. Its validity is disputed. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 11.1%, the 95th percentile.

What does this mean?
Severity
7.5 HighCVSS 3.0, NVD
Exploit chance
11.1%EPSS, 95th percentile
Exploitation
None known1 public exploit
Fixed in
No fix listedNo source names one

Description

BackBox Linux 4.6 allows remote attackers to cause a denial of service (ksoftirqd CPU consumption) via a flood of packets with Martian source IP addresses (as defined in RFC 1812 section 5.3.7). This product enables net.ipv4.conf.all.log_martians by default. NOTE: the vendor reports "It has been proved that this vulnerability has no foundation and it is totally fake and based on false assumptions.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

11.1%Up 2.9 points since Apr 14, 2021
90%50%10%1%

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBBackBox OS - Denial of Service2017-04-02

What each source reports

NVD Score used7.5

BackBox Linux 4.6 allows remote attackers to cause a denial of service (ksoftirqd CPU consumption) via a flood of packets with Martian source IP addresses (as defined in RFC 1812 section 5.3.7). This product enables net.ipv4.conf.all.log_martians by default. NOTE: the vendor reports "It has been proved that this vulnerability has no foundation and it is totally fake and based on false assumptions.

Record
CVE-2017-7397
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-400
Updated
2026-11-02
CVE ListNo score

BackBox Linux 4.6 allows remote attackers to cause a denial of service (ksoftirqd CPU consumption) via a flood of packets with Martian source IP addresses (as defined in RFC 1812 section 5.3.7). This product enables net.ipv4.conf.all.log_martians by default. NOTE: the vendor reports "It has been proved that this vulnerability has no foundation and it is totally fake and based on false assumptions.

Record
CVE-2017-7397
Updated
2026-11-02
EUVDEUVD-2017-16422No score

BackBox Linux 4.6 allows remote attackers to cause a denial of service (ksoftirqd CPU consumption) via a flood of packets with Martian source IP addresses (as defined in RFC 1812 section 5.3.7). This product enables net.ipv4.conf.all.log_martians by default. NOTE: the vendor reports "It has been proved that this vulnerability has no foundation and it is totally fake and based on false assumptions.

Record
EUVD-2017-16422
Updated
2026-11-03
GitHub AdvisoriesGHSA-39jm-fm9j-jg9p7.5

** DISPUTED ** BackBox Linux 4.6 allows remote attackers to cause a denial of service (ksoftirqd...

** DISPUTED ** BackBox Linux 4.6 allows remote attackers to cause a denial of service (ksoftirqd CPU consumption) via a flood of packets with Martian source IP addresses (as defined in RFC 1812 section 5.3.7). This product enables net.ipv4.conf.all.log_martians by default. NOTE: the vendor reports "It has been proved that this vulnerability has no foundation and it is totally fake and based on false assumptions."

Record
GHSA-39jm-fm9j-jg9p
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-400
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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