Linux.Kernel.TCP.SACK.Panic.DoS

description-logoDescription

This indicates an attack attempt to exploit a Denial of Service vulnerability in Linux kernel.
The vulnerability is due to an error in Linux kernel when it handles TCP packets with low MSS size. A remote attacker may be able to exploit this to cause a denial of service condition on the affected system.

description-logoOutbreak Alert

In the year 2022, FortiGuard IPS and FortiGuard AV/Sandbox blocked three trillion and six trillion hits respectively from vulnerabilities, malware and 0-day attacks. Those encompassed several thousand varieties of Remote Code Execution, Cross-Site Scripting, Elevation of Privilege, Denial of Service, Trojans, Exploits. FortiGuard Labs alerted customers with numerous critical threats throughout the year based on factors such as proof-of-concept, attack vectors, impact, ease of attack, dependencies, and more. This annual report covers:>

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affected-products-logoAffected Products

Linux kernel 4.15 and below

Impact logoImpact

Denial of Service: Remote attackers can crash vulnerable systems.

Telemetry logoTelemetry

Coverage

IPS (Regular DB)
IPS (Extended DB)

Version Updates

Date Version Detail
2021-03-23 18.044 Severity:critical:high
2019-11-26 15.731 Default_action:pass:drop
2019-06-27 14.640 Sig Added
2019-06-21 14.637