CVE-2024-39292

Severity CVSS v4.0:

Pending analysis

Type:

CWE-415 Double Free

Publication date:

24/06/2024

Last modified:

04/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved: um: Add winch to winch_handlers before registering winch IRQ Registering a winch IRQ is racy, an interrupt may occur before the winch is added to the winch_handlers list. If that happens, register_winch_irq() adds to that list a winch that is scheduled to be (or has already been) freed, causing a panic later in winch_cleanup(). Avoid the race by adding the winch to the winch_handlers list before registering the IRQ, and rolling back if um_request_irq() fails.

Impact

Vector 3.x

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

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::		2.6.23 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.19 (including)	4.19.316 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.4 (including)	5.4.278 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.10 (including)	5.10.219 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.15 (including)	5.15.161 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.1 (including)	6.1.93 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.6 (including)	6.6.33 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.9 (including)	6.9.4 (excluding)
cpe:2.3:o:linux:linux_kernel:6.10.0:rc1::::::

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

CVE-2024-39292

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools