What’s Vulnerable › Vulnerabilities

CVE-2026-93169: dmaengine: zynqmp_dma: fix race between runtime PM and device removal

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-17 · updated 2026-10-19

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: zynqmp_dma: fix race between runtime PM and device removal In zynqmp_dma_remove(), runtime PM was disabled only after checking state and doing a manual suspend. This can race with runtime PM in the remove/unbind (rmmod) path. Disable runtime PM first, then suspend only if the device is not already suspended. To prevent any further runtime PM transitions.

Affected products

• Linux kernel: 6.18 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux kernel 7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/32f69e6c95b59f9cfc649ebf352a204d23ba93d7
• https://git.kernel.org/stable/c/516ba2d8b7aac4238f9fcbd58579c43c71b9b695
• https://git.kernel.org/stable/c/aec7cf9a5bd89047c58d5648bfce0b1bd19ba7d5

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