CVE-2023-32257

High

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_SESSION_SETUP and SMB2_LOGOFF 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.

SeverityHigh
CVSS8.1
Exploit probability—
ProductLinux Kernel
PublishedJul 24, 2023
First seenJul 24, 2023

How to fix

Update
  • linux linux_kernel5.15.145, 6.1.29, 6.2.16, 6.3.2 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel5.15 ≤ v < 5.15.145, 5.16 ≤ v < 6.1.29, 6.2 ≤ v < 6.2.16, 6.3 ≤ v < 6.3.25.15.145, 6.1.29, 6.2.16, 6.3.2
netapp solidfire_\&_hci_storage_nodeNo range specified—
netapp h300sNo range specified—
netapp h410sNo range specified—
netapp h500sNo range specified—
netapp h700sNo range specified—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.