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CVE-2019-18805

Published: Nov 7, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-190
9.8CRITICAL
NVD MITRE
EPSS Score
3.4%
Top 12.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

An issue was discovered in net/ipv4/sysctl_net_ipv4.c in the Linux kernel before 5.0.11. There is a net/ipv4/tcp_input.c signed integer overflow in tcp_ack_update_rtt() when userspace writes a very large integer to /proc/sys/net/ipv4/tcp_min_rtt_wlen, leading to a denial of service or possibly unspecified other impact, aka CID-19fad20d15a6.

No summary for this CVE yet.

CVSS Vector Breakdown

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

Weaknesses

CWE-190

Affected Products

netapp
commercial·US
active iq unified manager
Hardware Firmware
data availability services
Hardware Firmware
e-series santricity os controller
Hardware Firmware
hci management node
Hardware Firmware
solidfire
Hardware Firmware
steelstore cloud integrated storage
Hardware Firmware
hci compute node
Hardware Firmware
hci storage node
Hardware Firmware
Novell Inc.
commercial·US
OpenSUSE LeapOn-premOS
Operating Systems / linux-distro
ООО "Открытая мобильная платформа"
commercial·RU
ОС АврораOn-prem
Operating Systems / mobile-os
Сообщество свободного программного обеспечения
oss-projectaka fsf
LinuxOn-premOS
Operating Systems / linux-distro
linux
oss-projectaka the linux kernel
linux kernelOn-premOS
Operating Systems
opensuse
oss-project·DE
leapOn-premOS
Operating Systems / linux-distro
and 8 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2019-18805?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Initial Access
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References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.11
cdn.kernel.org
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=19fad20d15a6494f47f85d869f00b11343ee5c78
git.kernel.org
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00035.html
lists.opensuse.org
and 17 more references View all →

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