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Vulnerability Details :

CVE-2025-38618

Summary
Assigner-Linux
Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published At-22 Aug, 2025 | 13:01
Updated At-22 Aug, 2025 | 13:01
Rejected At-
Credits

vsock: Do not allow binding to VMADDR_PORT_ANY

In the Linux kernel, the following vulnerability has been resolved: vsock: Do not allow binding to VMADDR_PORT_ANY It is possible for a vsock to autobind to VMADDR_PORT_ANY. This can cause a use-after-free when a connection is made to the bound socket. The socket returned by accept() also has port VMADDR_PORT_ANY but is not on the list of unbound sockets. Binding it will result in an extra refcount decrement similar to the one fixed in fcdd2242c023 (vsock: Keep the binding until socket destruction). Modify the check in __vsock_bind_connectible() to also prevent binding to VMADDR_PORT_ANY.

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:22 Aug, 2025 | 13:01
Updated At:22 Aug, 2025 | 13:01
Rejected At:
▼CVE Numbering Authority (CNA)
vsock: Do not allow binding to VMADDR_PORT_ANY

In the Linux kernel, the following vulnerability has been resolved: vsock: Do not allow binding to VMADDR_PORT_ANY It is possible for a vsock to autobind to VMADDR_PORT_ANY. This can cause a use-after-free when a connection is made to the bound socket. The socket returned by accept() also has port VMADDR_PORT_ANY but is not on the list of unbound sockets. Binding it will result in an extra refcount decrement similar to the one fixed in fcdd2242c023 (vsock: Keep the binding until socket destruction). Modify the check in __vsock_bind_connectible() to also prevent binding to VMADDR_PORT_ANY.

Affected Products
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • net/vmw_vsock/af_vsock.c
Default Status
unaffected
Versions
Affected
  • From d021c344051af91f42c5ba9fdedc176740cbd238 before f138be5d7f301fddad4e65ec66dfc3ceebf79be3 (git)
  • From d021c344051af91f42c5ba9fdedc176740cbd238 before 44bd006d5c93f6a8f28b106cbae2428c5d0275b7 (git)
  • From d021c344051af91f42c5ba9fdedc176740cbd238 before 32950b1907919be86a7a2697d6f93d57068b3865 (git)
  • From d021c344051af91f42c5ba9fdedc176740cbd238 before 8f01093646b49f6330bb2d36761983fd829472b1 (git)
  • From d021c344051af91f42c5ba9fdedc176740cbd238 before d73960f0cf03ef1dc9e96ec7a20e538accc26d87 (git)
  • From d021c344051af91f42c5ba9fdedc176740cbd238 before aba0c94f61ec05315fa7815d21aefa4c87f6a9f4 (git)
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • net/vmw_vsock/af_vsock.c
Default Status
affected
Versions
Affected
  • 3.9
Unaffected
  • From 0 before 3.9 (semver)
  • From 6.1.148 through 6.1.* (semver)
  • From 6.6.102 through 6.6.* (semver)
  • From 6.12.42 through 6.12.* (semver)
  • From 6.15.10 through 6.15.* (semver)
  • From 6.16.1 through 6.16.* (semver)
  • From 6.17-rc2 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/f138be5d7f301fddad4e65ec66dfc3ceebf79be3
N/A
https://git.kernel.org/stable/c/44bd006d5c93f6a8f28b106cbae2428c5d0275b7
N/A
https://git.kernel.org/stable/c/32950b1907919be86a7a2697d6f93d57068b3865
N/A
https://git.kernel.org/stable/c/8f01093646b49f6330bb2d36761983fd829472b1
N/A
https://git.kernel.org/stable/c/d73960f0cf03ef1dc9e96ec7a20e538accc26d87
N/A
https://git.kernel.org/stable/c/aba0c94f61ec05315fa7815d21aefa4c87f6a9f4
N/A
Hyperlink: https://git.kernel.org/stable/c/f138be5d7f301fddad4e65ec66dfc3ceebf79be3
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/44bd006d5c93f6a8f28b106cbae2428c5d0275b7
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/32950b1907919be86a7a2697d6f93d57068b3865
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/8f01093646b49f6330bb2d36761983fd829472b1
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/d73960f0cf03ef1dc9e96ec7a20e538accc26d87
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/aba0c94f61ec05315fa7815d21aefa4c87f6a9f4
Resource: N/A
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published At:22 Aug, 2025 | 14:15
Updated At:22 Aug, 2025 | 18:08

In the Linux kernel, the following vulnerability has been resolved: vsock: Do not allow binding to VMADDR_PORT_ANY It is possible for a vsock to autobind to VMADDR_PORT_ANY. This can cause a use-after-free when a connection is made to the bound socket. The socket returned by accept() also has port VMADDR_PORT_ANY but is not on the list of unbound sockets. Binding it will result in an extra refcount decrement similar to the one fixed in fcdd2242c023 (vsock: Keep the binding until socket destruction). Modify the check in __vsock_bind_connectible() to also prevent binding to VMADDR_PORT_ANY.

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/32950b1907919be86a7a2697d6f93d57068b3865416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
https://git.kernel.org/stable/c/44bd006d5c93f6a8f28b106cbae2428c5d0275b7416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
https://git.kernel.org/stable/c/8f01093646b49f6330bb2d36761983fd829472b1416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
https://git.kernel.org/stable/c/aba0c94f61ec05315fa7815d21aefa4c87f6a9f4416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
https://git.kernel.org/stable/c/d73960f0cf03ef1dc9e96ec7a20e538accc26d87416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
https://git.kernel.org/stable/c/f138be5d7f301fddad4e65ec66dfc3ceebf79be3416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
Hyperlink: https://git.kernel.org/stable/c/32950b1907919be86a7a2697d6f93d57068b3865
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/44bd006d5c93f6a8f28b106cbae2428c5d0275b7
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/8f01093646b49f6330bb2d36761983fd829472b1
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/aba0c94f61ec05315fa7815d21aefa4c87f6a9f4
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/d73960f0cf03ef1dc9e96ec7a20e538accc26d87
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/f138be5d7f301fddad4e65ec66dfc3ceebf79be3
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A

Change History

0
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