Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.3, < 6.6.100 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/027701180a7bcb64c42eab291133ef0c87b5b6c5Patch
- https://git.kernel.org/stable/c/05c37b574997892a40a0e9b9b88a481566b2367dPatch
- https://git.kernel.org/stable/c/5fd77cc6bd9b368431a815a780e407b7781bcca0Patch
- https://git.kernel.org/stable/c/ba7c793f96c1c2b944bb6f423d7243f3afc30fe9Patch
FAQ
What is CVE-2025-38533?
CVE-2025-38533 is a vulnerability with a CVSS score of 7.8 (HIGH). 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'. Howe...
How severe is CVE-2025-38533?
CVE-2025-38533 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-38533?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.