Description
In the Linux kernel, the following vulnerability has been resolved: ipvs: skip ipv6 extension headers for csum checks Protocol checksum validation fails for IPv6 if there are extension headers before the protocol header. iph->len already contains its offset, so use it to fix the problem.
Affected products
linux: linux kernel
References9
- git.kernel.org/stable/c/05cfe9863ef049d98141dc2969eefde72fb07625 Patch
- git.kernel.org/stable/c/0bf92a90bf05ecafe52e92d5bc15a585021a64ac Patch
- git.kernel.org/stable/c/54add3b7d3c154ca89ef5bac2582b0ed1a3a15d5 Patch
- git.kernel.org/stable/c/768f665f3685b455ed686370ed7ccb852a125a3b Patch
- git.kernel.org/stable/c/9aa7edc1347b98774e5167ca34e5b8aa6083bde7 Patch
- git.kernel.org/stable/c/a3ca27762ce8476b4fbf9b2a8f5cb74c38e483e4 Patch
- git.kernel.org/stable/c/cdce1e797addab72393c0dfee31aaca41ef7d937 Patch
- git.kernel.org/stable/c/d643c1ec80b70508f54dac12179e36920e2c00de Patch
- cert-portal.siemens.com/productcert/html/ssa-784472.html
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 6 · as of 14 November 2026
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.