CVE-2023-38431
Last modified
CVE-2023-38431 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 1.06% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 5.15.145 |
| Linux | Linux Kernel | >= 5.16, < 6.1.34 |
| Linux | Linux Kernel | >= 6.2, < 6.3.8 |
| Netapp | Solidfire \& Hci Management Node | All versions |
| Netapp | H300s | All versions |
| Netapp | H410s | All versions |
| Netapp | H500s | All versions |
| Netapp | H700s | All versions |
References
- https://security.netapp.com/advisory/ntap-20230824-0011/Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230824-0011/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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