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Vulnerability Details :

CVE-2021-4135

Summary
Assigner-redhat
Assigner Org ID-53f830b8-0a3f-465b-8143-3b8a9948e749
Published At-14 Jul, 2022 | 19:30
Updated At-03 Aug, 2024 | 17:16
Rejected At-
Credits

A memory leak vulnerability was found in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.

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:redhat
Assigner Org ID:53f830b8-0a3f-465b-8143-3b8a9948e749
Published At:14 Jul, 2022 | 19:30
Updated At:03 Aug, 2024 | 17:16
Rejected At:
▼CVE Numbering Authority (CNA)

A memory leak vulnerability was found in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.

Affected Products
Vendor
n/a
Product
kernel
Versions
Affected
  • Linux kernel versions prior to 5.16-rc6
Problem Types
TypeCWE IDDescription
CWECWE-200CWE-200
Type: CWE
CWE ID: CWE-200
Description: CWE-200
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=481221775d53
x_refsource_MISC
Hyperlink: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=481221775d53
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://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=481221775d53
x_refsource_MISC
x_transferred
Hyperlink: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=481221775d53
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:secalert@redhat.com
Published At:14 Jul, 2022 | 20:15
Updated At:20 Jul, 2022 | 14:05

A memory leak vulnerability was found in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.

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
Primary3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Type: Primary
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CPE Matches
Linux Kernel Organization, Inc
linux
>>linux_kernel>>Versions before 5.16(exclusive)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Linux Kernel Organization, Inc
linux
>>linux_kernel>>5.16
cpe:2.3:o:linux:linux_kernel:5.16:-:*:*:*:*:*:*
Linux Kernel Organization, Inc
linux
>>linux_kernel>>5.16
cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*
Linux Kernel Organization, Inc
linux
>>linux_kernel>>5.16
cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*
Linux Kernel Organization, Inc
linux
>>linux_kernel>>5.16
cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*
Linux Kernel Organization, Inc
linux
>>linux_kernel>>5.16
cpe:2.3:o:linux:linux_kernel:5.16:rc4:*:*:*:*:*:*
Linux Kernel Organization, Inc
linux
>>linux_kernel>>5.16
cpe:2.3:o:linux:linux_kernel:5.16:rc5:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-401Primarynvd@nist.gov
CWE-200Secondarysecalert@redhat.com
CWE ID: CWE-401
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-200
Type: Secondary
Source: secalert@redhat.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=481221775d53secalert@redhat.com
Mailing List
Patch
Vendor Advisory
Hyperlink: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=481221775d53
Source: secalert@redhat.com
Resource:
Mailing List
Patch
Vendor Advisory

Change History

0
Information is not available yet

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