CVE-2023-53116

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

02/05/2025

Last modified:

10/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved: nvmet: avoid potential UAF in nvmet_req_complete() An nvme target ->queue_response() operation implementation may free the request passed as argument. Such implementation potentially could result in a use after free of the request pointer when percpu_ref_put() is called in nvmet_req_complete(). Avoid such problem by using a local variable to save the sq pointer before calling __nvmet_req_complete(), thus avoiding dereferencing the req pointer after that function call.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.80

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	4.8 (including)	4.14.311 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.15 (including)	4.19.279 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.238 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.176 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.104 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.21 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.2.8 (excluding)
cpe:2.3:o:linux:linux_kernel:6.3:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.3:rc2::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2023-53116

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools