CVE-2017-7397
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).
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 11.1%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 11.07% probability · 96th percentile
- Public exploits
- 1 in Exploit-DB · first 2 April 2017
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- backbox/backbox linux
- Source
- cve@mitre.org
EPSS moved from 9.0% on 21 September 2026 to 11.1% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.exploitalert.com/view-details.html?id=26361Exploit, Third Party Advisory
- https://backbox.org/portal/blog/false-cve-backbox-46-unmaskedVendor Advisory
- https://cxsecurity.com/issue/WLB-2017040001Exploit, Third Party Advisory
- https://forum.backbox.org/security-advisories/waiting-verification-backbox-os-denial-of-service/msg10218Vendor Advisory
- https://www.exploit-db.com/exploits/41781/Exploit, Third Party Advisory, VDB Entry
- http://www.exploitalert.com/view-details.html?id=26361Exploit, Third Party Advisory
- https://backbox.org/portal/blog/false-cve-backbox-46-unmaskedVendor Advisory
- https://cxsecurity.com/issue/WLB-2017040001Exploit, Third Party Advisory
- https://forum.backbox.org/security-advisories/waiting-verification-backbox-os-denial-of-service/msg10218Vendor Advisory
- https://www.exploit-db.com/exploits/41781/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.