What’s Vulnerable › Vulnerabilities

CVE-2024-40986: dmaengine: xilinx: xdma: Fix data synchronisation in xdma_channel_isr()

• Severity: medium (CVSS 5.5 v3.1)
• 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: 2024-07-12 · updated 2026-08-04

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: xilinx: xdma: Fix data synchronisation in xdma_channel_isr() Requests the vchan lock before using xdma->stop_request.

Affected products

• Linux kernel: from 6.8.9 before 6.9; from 6.9.1 before 6.9.7; 6.9, 6.9-rc6, 6.9-rc7, 6.10-rc1, 6.10-rc2, 6.10-rc3 (+1) — fixed in 6.9, 6.9.7

How to fix

Upgrade to a fixed version: Linux kernel 6.9, 6.9.7. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/462237d2d93fc9e9221d1cf9f773954d27da83c0
• https://git.kernel.org/stable/c/8e1f54e4a3f3207c9dc68bb5000603b75802e7f0
• https://git.kernel.org/stable/c/462237d2d93fc9e9221d1cf9f773954d27da83c0
• https://git.kernel.org/stable/c/8e1f54e4a3f3207c9dc68bb5000603b75802e7f0

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