CVE-2023-4130

See a problem?
Please try reporting it to the source first.
Source
https://nvd.nist.gov/vuln/detail/CVE-2023-4130
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-4130.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-4130
Downstream
Published
2025-08-16T14:15:27Z
Modified
2025-08-19T10:03:21.009402Z
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix wrong next length validation of ea buffer in smb2setea()

There are multiple smb2eainfo buffers in FILEFULLEAINFORMATION request from client. ksmbd find next smb2eainfo using ->NextEntryOffset of current smb2eainfo. ksmbd need to validate buffer length Before accessing the next ea. ksmbd should check buffer length using buflen, not next variable. next is the start offset of current ea that got from previous ea.

References

Affected packages

Debian:12 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.1.52-1

Affected versions

6.*

6.1.27-1
6.1.37-1
6.1.38-1
6.1.38-2~bpo11+1
6.1.38-2
6.1.38-3
6.1.38-4~bpo11+1
6.1.38-4

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.4.11-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.4.11-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}