CVE-2023-38431
Critical
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.
SeverityCritical
CVSS9.1
Exploit probability—
Product
Linux Kernel
PublishedJul 18, 2023
First seenJul 18, 2023
How to fix
Update
- linux linux_kernel5.15.145, 6.1.34, 6.3.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.15 ≤ v < 5.15.145, 5.16 ≤ v < 6.1.34, 6.2 ≤ v < 6.3.8 | 5.15.145, 6.1.34, 6.3.8 |
| netapp solidfire_\&_hci_management_node | No range specified | — |
| netapp h300s | No range specified | — |
| netapp h410s | No range specified | — |
| netapp h500s | No range specified | — |
| netapp h700s | No range specified | — |
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