SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-32254

An attacker can leverage this vulnerability to execute code in the context of the kernel.

HIGH 8.1EPSS 2.94%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.94%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.94% probability · 86th percentile
CISA KEV
Not listed
Weakness
CWE-362
Affected
linux/linux kernel · netapp/hci management node · netapp/h300s · netapp/h410s · netapp/h500s · netapp/h700s
Source
secalert@redhat.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.