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CVE-2021-45485

Published: Dec 25, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-327
NVD MITRE
7.5CVSSHIGH
EPSS Score
3.6%
Top 12.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

In the IPv6 implementation in the Linux kernel before 5.13.3, net/ipv6/output_core.c has an information leak because of certain use of a hash table which, although big, doesn't properly consider that IPv6-based attackers can typically choose among many IPv6 source addresses.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
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:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-327

Affected Products

Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
ОС АврораООО "Открытая мобильная платформа"
On-prem
Operating Systems / mobile-os
LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
n/an/a
linux kernellinux
On-premOS
Operating Systems
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
ооо "открытая мобильная платформа"commercialRUOperating Systems
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
linuxoss-projectOperating Systemsaka the linux kernel
and 25 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

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://arxiv.org/pdf/2112.09604.pdf
arxiv.org
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3
cdn.kernel.org
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45485
cve.mitre.org
and 26 more references View all →

Timeline

Published
Dec 25, 2021
Last Updated
Nov 21, 2024

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