CVE-2023-38431
Advisory lineage Upstream: 0 Downstream: 6
Modified
Published: 17 Jul 2023, 00:00
Last modified:02 Aug 2024, 17:39
Vulnerability Summary
Overall Risk (default)
high
70/100 CVSS Score
9.1 CRITICAL
v3.1 (nvd)
EPSS Score
0.08% LOW
0% probability +0.01%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
17 Jul 2023, 00:00
Published
Vulnerability first disclosed
02 Aug 2024, 17:39
Last Modified
Vulnerability information updated
Description
An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/connection.c in ksmbd does not validate the relationship between the NetBIOS header's length field and the SMB header sizes, via pdu_size in ksmbd_conn_handler_loop, leading to an out-of-bounds read.
CVSS Metrics
- v3.1•CRITICAL•Score: 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS Trends
Current EPSS score: 0.08%• Percentile: 24%
Techniques & Countermeasures
- CWE-125•Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
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
- netapp•solidfire_\&_hci_management_node
na