CVE-2025-37823

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

08/05/2025

Last modified:

10/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too Similarly to the previous patch, we need to safe guard hfsc_dequeue() too. But for this one, we don&#39;t have a reliable reproducer.

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::::::::	2.6.13 (including)	5.4.293 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.237 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.181 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.136 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.6.89 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.7 (including)	6.12.26 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.13 (including)	6.14.5 (excluding)
cpe:2.3:o:linux:linux_kernel:2.6.12:-::::::
cpe:2.3:o:linux:linux_kernel:2.6.12:rc2::::::
cpe:2.3:o:linux:linux_kernel:2.6.12:rc3::::::
cpe:2.3:o:linux:linux_kernel:2.6.12:rc4::::::
cpe:2.3:o:linux:linux_kernel:2.6.12:rc5::::::
cpe:2.3:o:linux:linux_kernel:6.15:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.15:rc2::::::
cpe:2.3:o:linux:linux_kernel:6.15:rc3::::::

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

CVE-2025-37823

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools