CVE-2026-74627 PUBLISHED

net: devmem: prevent net-iov / page mixing

Assigner: Linux
Reserved: 15.08.2026 Published: 22.08.2026 Updated: 22.08.2026

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

net: devmem: prevent net-iov / page mixing

We should either have net_iov or page backed frags in a single skb, otherwise it blows up down the stack. Don't allow mixing in zerocopy_fill_skb_from_devmem().

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from bd61848900bff597764238f3a8ec67c815cd316e to e9bfe12b1d04c34c6fedcba21d9709b65c08aa33 (excl.)
  • affected from bd61848900bff597764238f3a8ec67c815cd316e to ed08011ae0be88f16cceae190535d6c790c83b0c (excl.)
  • affected from bd61848900bff597764238f3a8ec67c815cd316e to 53a43508ee332d8bffe40590c3d189c92a551f9f (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 6.16 is affected
  • unaffected from 0 to 6.16 (excl.)
  • unaffected from 6.18.45 to 6.18.* (incl.)
  • unaffected from 7.1.9 to 7.1.* (incl.)
  • unaffected from 7.2 to * (incl.)

References