Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2024-50051

Severity CVSS v4.0:
Pending analysis
Type:
CWE-416 Use After Free
Publication date:
11/01/2025
Last modified:
03/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> spi: mpc52xx: Add cancel_work_sync before module remove<br /> <br /> If we remove the module which will call mpc52xx_spi_remove<br /> it will free &amp;#39;ms&amp;#39; through spi_unregister_controller.<br /> while the work ms-&gt;work will be used. The sequence of operations<br /> that may lead to a UAF bug.<br /> <br /> Fix it by ensuring that the work is canceled before proceeding with<br /> the cleanup in mpc52xx_spi_remove.

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:*:*:*:*:*:*:*:* 3.1 (including) 5.4.287 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.5 (including) 5.10.231 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.11 (including) 5.15.174 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.16 (including) 6.1.120 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.2 (including) 6.6.66 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.7 (including) 6.12.5 (excluding)
cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools