CVE-2023-38427
Advisory lineage Upstream: 0 Downstream: 6
Modified
Published: 17 Jul 2023, 00:00
Last modified:05 May 2025, 15:56
Vulnerability Summary
Overall Risk (default)
high
70/100 CVSS Score
9.8 CRITICAL
v3.1 (cve.org)
EPSS Score
0.1% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
17 Jul 2023, 00:00
Published
Vulnerability first disclosed
05 May 2025, 15:56
Last Modified
Vulnerability information updated
Description
An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/smb2pdu.c in ksmbd has an integer underflow and out-of-bounds read in deassemble_neg_contexts.
CVSS Metrics
- v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Trends
Current EPSS score: 0.10%• Percentile: 26%
Techniques & Countermeasures
- CWE-125•Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
- CWE-191•Integer Underflow (Wrap or Wraparound)
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.
Affected Systems
- linux•linux_kernel
≥ 5.15, < 5.15.145 | ≥ 5.16, < 6.1.34 | ≥ 6.2, < 6.3.8
- netapp•h300s_firmware
na
- netapp•h410s_firmware
na
- netapp•h500s_firmware
na
- netapp•h700s_firmware
na