CVE-2023-4130

Advisory lineage Upstream: 0 Downstream: 13
Analyzed
Published: 16 Aug 2025, 13:27
Last modified:11 May 2026, 19:27

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
<0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

16 Aug 2025, 13:27
Published
Vulnerability first disclosed
11 May 2026, 19:27
Last Modified
Vulnerability information updated

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix wrong next length validation of ea buffer in smb2_set_ea() There are multiple smb2_ea_info buffers in FILE_FULL_EA_INFORMATION request from client. ksmbd find next smb2_ea_info using ->NextEntryOffset of current smb2_ea_info. ksmbd need to validate buffer length Before accessing the next ea. ksmbd should check buffer length using buf_len, not next variable. next is the start offset of current ea that got from previous ea.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.01%• Percentile: 1%

Affected Systems

  • linux•linux

    ≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < aeb974907642be095e38ecb1a400ca583958b2b0 | ≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < f339d76a3a972601d0738b881b099d49ebbdc3a2 | ≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < 4bf629262f9118ee91b1c3a518ebf2b3bcb22180 | ≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < 79ed288cef201f1f212dfb934bcaac75572fb8f6 | 5.15

  • linux•linux_kernel

    ≥ 5.15, < 5.15.127 | ≥ 5.16, < 6.1.46 | ≥ 6.2, < 6.4.11 | 6.5:rc1 | 6.5:rc2 | 6.5:rc3 | 6.5:rc4 | 6.5:rc5

References (4)