CVE-2024-50206: net: ethernet: mtk_eth_soc: fix memory corruption during fq dma init

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-11-08 · updated 2026-08-04
Weakness: CWE-787

Description

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtk_eth_soc: fix memory corruption during fq dma init The loop responsible for allocating up to MTK_FQ_DMA_LENGTH buffers must only touch as many descriptors, otherwise it ends up corrupting unrelated memory. Fix the loop iteration count accordingly.

Affected products

Linux kernel: from 6.9.6 before 6.10; from 6.10 before 6.11.6; 6.12-rc1, 6.12-rc2, 6.12-rc3 — fixed in 6.10, 6.11.6

How to fix

Upgrade to a fixed version: Linux kernel 6.10, 6.11.6. Check the vendor advisory for mitigations.

References

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