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Vulnerability Details :

CVE-2021-47367

Summary
Assigner-Linux
Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published At-21 May, 2024 | 15:03
Updated At-04 May, 2025 | 07:09
Rejected At-
Credits

virtio-net: fix pages leaking when building skb in big mode

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix pages leaking when building skb in big mode We try to use build_skb() if we had sufficient tailroom. But we forget to release the unused pages chained via private in big mode which will leak pages. Fixing this by release the pages after building the skb in big mode.

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:Linux
Assigner Org ID:416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published At:21 May, 2024 | 15:03
Updated At:04 May, 2025 | 07:09
Rejected At:
▼CVE Numbering Authority (CNA)
virtio-net: fix pages leaking when building skb in big mode

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix pages leaking when building skb in big mode We try to use build_skb() if we had sufficient tailroom. But we forget to release the unused pages chained via private in big mode which will leak pages. Fixing this by release the pages after building the skb in big mode.

Affected Products
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • drivers/net/virtio_net.c
Default Status
unaffected
Versions
Affected
  • From fb32856b16ad9d5bcd75b76a274e2c515ac7b9d7 before f020bb63b5d2e5576acadd10e158fe3b04af67ba (git)
  • From fb32856b16ad9d5bcd75b76a274e2c515ac7b9d7 before afd92d82c9d715fb97565408755acad81573591a (git)
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • drivers/net/virtio_net.c
Default Status
affected
Versions
Affected
  • 5.13
Unaffected
  • From 0 before 5.13 (semver)
  • From 5.14.9 through 5.14.* (semver)
  • From 5.15 through * (original_commit_for_fix)
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/stable/c/f020bb63b5d2e5576acadd10e158fe3b04af67ba
N/A
https://git.kernel.org/stable/c/afd92d82c9d715fb97565408755acad81573591a
N/A
Hyperlink: https://git.kernel.org/stable/c/f020bb63b5d2e5576acadd10e158fe3b04af67ba
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/afd92d82c9d715fb97565408755acad81573591a
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Vendor
Linux Kernel Organization, Inclinux
Product
linux_kernel
CPEs
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Default Status
unknown
Versions
Affected
  • 5.13
Vendor
Linux Kernel Organization, Inclinux
Product
linux_kernel
CPEs
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Default Status
unknown
Versions
Affected
  • From fb32856b16ad before f020bb63b5d2 (custom)
Vendor
Linux Kernel Organization, Inclinux
Product
linux_kernel
CPEs
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Default Status
unknown
Versions
Affected
  • From fb32856b16ad before afd92d82c9d7 (custom)
Vendor
Linux Kernel Organization, Inclinux
Product
linux_kernel
CPEs
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Default Status
unknown
Versions
Unaffected
  • From 0 before 5.13 (custom)
Vendor
Linux Kernel Organization, Inclinux
Product
linux_kernel
CPEs
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Default Status
unknown
Versions
Unaffected
  • 5.15
Vendor
Linux Kernel Organization, Inclinux
Product
linux_kernel
CPEs
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Default Status
unknown
Versions
Unaffected
  • From 5.14.9 through 5.15 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-119CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Type: CWE
CWE ID: CWE-119
Description: CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Metrics
VersionBase scoreBase severityVector
3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
2. 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/stable/c/f020bb63b5d2e5576acadd10e158fe3b04af67ba
x_transferred
https://git.kernel.org/stable/c/afd92d82c9d715fb97565408755acad81573591a
x_transferred
Hyperlink: https://git.kernel.org/stable/c/f020bb63b5d2e5576acadd10e158fe3b04af67ba
Resource:
x_transferred
Hyperlink: https://git.kernel.org/stable/c/afd92d82c9d715fb97565408755acad81573591a
Resource:
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published At:21 May, 2024 | 15:15
Updated At:21 May, 2024 | 16:54

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix pages leaking when building skb in big mode We try to use build_skb() if we had sufficient tailroom. But we forget to release the unused pages chained via private in big mode which will leak pages. Fixing this by release the pages after building the skb in big mode.

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
CPE Matches
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://git.kernel.org/stable/c/afd92d82c9d715fb97565408755acad81573591a416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
https://git.kernel.org/stable/c/f020bb63b5d2e5576acadd10e158fe3b04af67ba416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
Hyperlink: https://git.kernel.org/stable/c/afd92d82c9d715fb97565408755acad81573591a
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/f020bb63b5d2e5576acadd10e158fe3b04af67ba
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A

Change History

0
Information is not available yet

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