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CVE-2019-11479

Jonathan Looney discovered that the Linux kernel default MSS is hard-coded to 48 bytes. This allows a remote peer to fragment TCP resend queues significantly more than if a larger MSS were enforced...

Published: Jun 18, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-405
NVD MITRE
7.5CVSSHIGH
EPSS Score
91.7%
Top 0.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-405CWE-770

Affected Products

Linux kernelLinux
On-premOS
Operating Systems
linux kernellinux
On-premOS
Operating Systems
big-ip advanced firewall managerf5
On-premSecurity Product
Networking Infrastructure / firewall
big-ip access policy managerf5
On-premNetwork Device
Networking Infrastructure / firewall
big-ip application acceleration managerf5
On-premNetwork Device
Networking Infrastructure / load-balancer-proxy
linuxoss-projectOperating Systemsaka the linux kernel
f5commercialUSNetworking Infrastructure
and 72 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2019/icsa-19-253-03.json
raw.githubusercontent.com
https://www.cisa.gov/news-events/ics-advisories/icsa-19-253-03
cisa.gov
https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
first.org
and 77 more references View all →

Timeline

Published
Jun 18, 2019
Last Updated
Nov 21, 2024

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