CVE-2024-50051

spi: mpc52xx: Add cancel_work_sync before module remove

State: Published
Severity: 7.8 High
Published: Jan 11, 2025
Updated: May 11, 2026
Reserved: Jan 9, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

spi: mpc52xx: Add cancel_work_sync before module remove

If we remove the module which will call mpc52xx_spi_remove it will free 'ms' through spi_unregister_controller. while the work ms->work will be used. The sequence of operations that may lead to a UAF bug.

Fix it by ensuring that the work is canceled before proceeding with the cleanup in mpc52xx_spi_remove.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
LinuxLinux	ca632f556697d45d67ed5cada7cedf3ddfe0db4b to before d0cde3911cf24e1bcdd4caa1d1b9ef57589db5a1Affected ca632f556697d45d67ed5cada7cedf3ddfe0db4b to before e0c6ce8424095c2da32a063d3fc027494c689817Affected ca632f556697d45d67ed5cada7cedf3ddfe0db4b to before cd5106c77d6d6828aa82449f01f4eb436d602a21Affected ca632f556697d45d67ed5cada7cedf3ddfe0db4b to before 373d55a47dc662e5e30d12ad5d334312f757c1f1Affected ca632f556697d45d67ed5cada7cedf3ddfe0db4b to before f65d85bc1ffd8a2c194bb2cd65e35ed3648ddd59Affected ca632f556697d45d67ed5cada7cedf3ddfe0db4b to before 90b72189de2cddacb26250579da0510b29a8b82bAffected ca632f556697d45d67ed5cada7cedf3ddfe0db4b to before 984836621aad98802d92c4a3047114cf518074c8Affected
LinuxLinux	3.1Affected before 3.1Not affected 5.4.287 through 5.4.Not affected 5.10.231 through 5.10.Not affected 5.15.174 through 5.15.Not affected 6.1.120 through 6.1.Not affected 6.6.66 through 6.6.Not affected 6.12.5 through 6.12.Not affected 6.13 and laterNot affected

Product

Versions

LinuxLinux

ca632f556697d45d67ed5cada7cedf3ddfe0db4b to before d0cde3911cf24e1bcdd4caa1d1b9ef57589db5a1Affected
ca632f556697d45d67ed5cada7cedf3ddfe0db4b to before e0c6ce8424095c2da32a063d3fc027494c689817Affected
ca632f556697d45d67ed5cada7cedf3ddfe0db4b to before cd5106c77d6d6828aa82449f01f4eb436d602a21Affected
ca632f556697d45d67ed5cada7cedf3ddfe0db4b to before 373d55a47dc662e5e30d12ad5d334312f757c1f1Affected
ca632f556697d45d67ed5cada7cedf3ddfe0db4b to before f65d85bc1ffd8a2c194bb2cd65e35ed3648ddd59Affected
ca632f556697d45d67ed5cada7cedf3ddfe0db4b to before 90b72189de2cddacb26250579da0510b29a8b82bAffected
ca632f556697d45d67ed5cada7cedf3ddfe0db4b to before 984836621aad98802d92c4a3047114cf518074c8Affected

LinuxLinux

3.1Affected
before 3.1Not affected
5.4.287 through 5.4.*Not affected
5.10.231 through 5.10.*Not affected
5.15.174 through 5.15.*Not affected
6.1.120 through 6.1.*Not affected
6.6.66 through 6.6.*Not affected
6.12.5 through 6.12.*Not affected
6.13 and laterNot affected

References

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