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CVE-2025-38533

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CVE-2025-38533

Published: Aug 16, 2025

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: net: libwx: fix the using of Rx buffer DMA The wx_rx_buffer structure contained two DMA address fields: 'dma' and 'page_dma'. However, only 'page_dma' was actually initialized and used to program the Rx descriptor. But 'dma' was uninitialized and used in some paths. This could lead to undefined behavior, including DMA errors or use-after-free, if the uninitialized 'dma' was used. Althrough such error has not yet occurred, it is worth fixing in the code.

VendorProductVersions

Linux

Linux

affected
3c47e8ae113a68da47987750d9896e325d0aeedd - < 027701180a7bcb64c42eab291133ef0c87b5b6c5
affected
3c47e8ae113a68da47987750d9896e325d0aeedd - < ba7c793f96c1c2b944bb6f423d7243f3afc30fe9
affected
3c47e8ae113a68da47987750d9896e325d0aeedd - < 05c37b574997892a40a0e9b9b88a481566b2367d
affected
3c47e8ae113a68da47987750d9896e325d0aeedd - < 5fd77cc6bd9b368431a815a780e407b7781bcca0

Linux

Linux

affected
6.3
unaffected
0 - < 6.3
unaffected
6.6.100 - <= 6.6.*
unaffected
6.12.40 - <= 6.12.*
unaffected
6.15.8 - <= 6.15.*

+1 more versions

References

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