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net: xfrm: reject unrepresentable espintcp transport headers

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-98417

Published

In the Linux kernel, the following vulnerability has been resolved: net: xfrm: reject unrepresentable espintcp transport headers ESP-in-TCP can hand xfrm packets whose transport header offset no longer fits after the stream parser trims the TCP envelope. The plain transport header reset truncates that offset and triggers the skb warning path. Use the careful transport-header helper and drop the skb through the existing XFRM error path when the offset cannot be represented.

Source published
14 Oct 2026 13:27:47 UTC
Source modified
19 Oct 2026 09:19:11 UTC
Observed here
23 Oct 2026 15:48:27 UTC
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Sources read 9 Nov 00:13 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current