CVE-2023-32254
Critical
Description
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2_TREE_DISCONNECT commands. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to execute code in the context of the kernel.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Linux Kernel
PublishedJul 10, 2023
First seenJul 10, 2023
Weakness typeCWE-362Race condition
How to fix
Update
- linux linux_kernel5.15.145, 6.1.28, 6.2.15, 6.3.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.15 ≤ v < 5.15.145, 5.16 ≤ v < 6.1.28, 6.2 ≤ v < 6.2.15, 6.3 ≤ v < 6.3.2 | 5.15.145, 6.1.28, 6.2.15, 6.3.2 |
| netapp 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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