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Vulnerability Details :

CVE-2021-45486

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-25 Dec, 2021 | 01:04
Updated At-04 Aug, 2024 | 04:39
Rejected At-
Credits

In the IPv4 implementation in the Linux kernel before 5.12.4, net/ipv4/route.c has an information leak because the hash table is very small.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:25 Dec, 2021 | 01:04
Updated At:04 Aug, 2024 | 04:39
Rejected At:
▼CVE Numbering Authority (CNA)

In the IPv4 implementation in the Linux kernel before 5.12.4, net/ipv4/route.c has an information leak because the hash table is very small.

Affected Products
Vendor
n/a
Product
n/a
Versions
Affected
  • n/a
Problem Types
TypeCWE IDDescription
textN/An/a
Type: text
CWE ID: N/A
Description: n/a
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
x_refsource_MISC
https://arxiv.org/pdf/2112.09604.pdf
x_refsource_MISC
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/net/ipv4/route.c?id=aa6dd211e4b1dde9d5dc25d699d35f789ae7eeba
x_refsource_MISC
https://www.oracle.com/security-alerts/cpujul2022.html
x_refsource_MISC
Hyperlink: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
Resource:
x_refsource_MISC
Hyperlink: https://arxiv.org/pdf/2112.09604.pdf
Resource:
x_refsource_MISC
Hyperlink: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/net/ipv4/route.c?id=aa6dd211e4b1dde9d5dc25d699d35f789ae7eeba
Resource:
x_refsource_MISC
Hyperlink: https://www.oracle.com/security-alerts/cpujul2022.html
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
x_refsource_MISC
x_transferred
https://arxiv.org/pdf/2112.09604.pdf
x_refsource_MISC
x_transferred
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/net/ipv4/route.c?id=aa6dd211e4b1dde9d5dc25d699d35f789ae7eeba
x_refsource_MISC
x_transferred
https://www.oracle.com/security-alerts/cpujul2022.html
x_refsource_MISC
x_transferred
Hyperlink: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://arxiv.org/pdf/2112.09604.pdf
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/net/ipv4/route.c?id=aa6dd211e4b1dde9d5dc25d699d35f789ae7eeba
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://www.oracle.com/security-alerts/cpujul2022.html
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:25 Dec, 2021 | 02:15
Updated At:24 Feb, 2023 | 14:45

In the IPv4 implementation in the Linux kernel before 5.12.4, net/ipv4/route.c has an information leak because the hash table is very small.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.13.5LOW
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Primary2.02.7LOW
AV:A/AC:L/Au:S/C:P/I:N/A:N
Type: Primary
Version: 3.1
Base score: 3.5
Base severity: LOW
Vector:
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Type: Primary
Version: 2.0
Base score: 2.7
Base severity: LOW
Vector:
AV:A/AC:L/Au:S/C:P/I:N/A:N
CPE Matches
Linux Kernel Organization, Inc
linux
>>linux_kernel>>Versions before 5.12.4(exclusive)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Oracle Corporation
oracle
>>communications_cloud_native_core_binding_support_function>>22.1.3
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*
Oracle Corporation
oracle
>>communications_cloud_native_core_network_exposure_function>>22.1.1
cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:*
Oracle Corporation
oracle
>>communications_cloud_native_core_policy>>22.2.0
cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-327Primarynvd@nist.gov
CWE ID: CWE-327
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://arxiv.org/pdf/2112.09604.pdfcve@mitre.org
Technical Description
Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4cve@mitre.org
Release Notes
Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/net/ipv4/route.c?id=aa6dd211e4b1dde9d5dc25d699d35f789ae7eebacve@mitre.org
Patch
Vendor Advisory
https://www.oracle.com/security-alerts/cpujul2022.htmlcve@mitre.org
Patch
Third Party Advisory
Hyperlink: https://arxiv.org/pdf/2112.09604.pdf
Source: cve@mitre.org
Resource:
Technical Description
Third Party Advisory
Hyperlink: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
Source: cve@mitre.org
Resource:
Release Notes
Vendor Advisory
Hyperlink: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/net/ipv4/route.c?id=aa6dd211e4b1dde9d5dc25d699d35f789ae7eeba
Source: cve@mitre.org
Resource:
Patch
Vendor Advisory
Hyperlink: https://www.oracle.com/security-alerts/cpujul2022.html
Source: cve@mitre.org
Resource:
Patch
Third Party Advisory

Change History

0
Information is not available yet

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