What’s Vulnerable › Vulnerabilities

CVE-2024-50051: spi: mpc52xx: Add cancel_work_sync before module remove

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-01-11 · updated 2026-06-17
• Weakness: CWE-416

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.

Affected products

• Linux kernel: from 3.1 before 5.4.287; from 5.5 before 5.10.231; from 5.11 before 5.15.174; from 5.16 before 6.1.120; from 6.2 before 6.6.66; from 6.7 before 6.12.5 — fixed in 5.10.231, 5.15.174, 5.4.287, 6.1.120, 6.12.5, 6.6.66

How to fix

Upgrade to a fixed version: Linux kernel 5.10.231, 5.15.174, 5.4.287, 6.1.120. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/373d55a47dc662e5e30d12ad5d334312f757c1f1
• https://git.kernel.org/stable/c/90b72189de2cddacb26250579da0510b29a8b82b
• https://git.kernel.org/stable/c/984836621aad98802d92c4a3047114cf518074c8
• https://git.kernel.org/stable/c/cd5106c77d6d6828aa82449f01f4eb436d602a21
• https://git.kernel.org/stable/c/d0cde3911cf24e1bcdd4caa1d1b9ef57589db5a1
• https://git.kernel.org/stable/c/e0c6ce8424095c2da32a063d3fc027494c689817
• https://git.kernel.org/stable/c/f65d85bc1ffd8a2c194bb2cd65e35ed3648ddd59
• https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html

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