CVE-2026-80814 PUBLISHED

rndis_host: add overflow check in rndis_rx_fixup()

Assigner: Linux
Reserved: 26.08.2026 Published: 04.09.2026 Updated: 04.09.2026

In the Linux kernel, the following vulnerability has been resolved:

rndis_host: add overflow check in rndis_rx_fixup()

Add an overflow check to ensure that data_offset + data_len + 8 does not wrap, which would enable an OOB read of the USB data buffer.

Vendor	Linux
Product	Linux
Versions	Default: unaffected affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 2140db1232af04b92faa6c4a2a40df6371ea89ff (excl.) affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 8ca3bd404d076495ed0b274b65971c57b6fd5ac0 (excl.) affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to f8e6fde5db87f855e99b200e392467274f0eb9d7 (excl.) affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 10a6b99079697c5027b25352e882bdf54fef702a (excl.) affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to c5398ce6db7647b7004d73a3102ccc25fb4bb596 (excl.) affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to e971d956353d382ee2185d71c47b538501a43f76 (excl.) affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to be7dc3650f799a253df4edd4fe230fc9ea4be063 (excl.) affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 2ded89ca77fae1da6886fe94831acfe4d6aa80b1 (excl.) affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 965a251f23ff69cfb4486974d4532e9bb551c7fc (excl.) affected from 0 to 5.10.267 (excl.) affected from 0 to 5.15.218 (excl.) affected from 0 to 6.1.185 (excl.) affected from 0 to 6.6.154 (excl.) affected from 0 to 6.12.106 (excl.) affected from 0 to 6.18.47 (excl.) affected from 0 to 7.1.11 (excl.) affected from 0 to 7.2.1 (excl.)

Vendor	Linux
Product	Linux
Versions	Default: affected unaffected from 5.10.267 to 5.10.* (incl.) unaffected from 5.15.218 to 5.15.* (incl.) unaffected from 6.1.185 to 6.1.* (incl.) unaffected from 6.6.154 to 6.6.* (incl.) unaffected from 6.12.106 to 6.12.* (incl.) unaffected from 6.18.47 to 6.18.* (incl.) unaffected from 7.1.11 to 7.1.* (incl.) unaffected from 7.2.1 to 7.2.* (incl.) unaffected from 7.3-rc1 to * (incl.)