ipvs: skip ipv6 extension headers for csum checks

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Summary

CVECVE-2026-45850
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-27 14:16:56 UTC
Updated2026-05-27 14:48:31 UTC
DescriptionIn 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.

Risk And Classification

EPSS: 0.000180000 probability, percentile 0.052520000 (date 2026-06-01)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 0bbdd42b7efa66685b6d74701bcde3a596a3a59d a3ca27762ce8476b4fbf9b2a8f5cb74c38e483e4 git Not specified
CNA Linux Linux affected 0bbdd42b7efa66685b6d74701bcde3a596a3a59d 05cfe9863ef049d98141dc2969eefde72fb07625 git Not specified
CNA Linux Linux affected 2.6.28 Not specified
CNA Linux Linux unaffected 2.6.28 semver Not specified
CNA Linux Linux unaffected 6.19.4 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/05cfe9863ef049d98141dc2969eefde72fb07625 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/a3ca27762ce8476b4fbf9b2a8f5cb74c38e483e4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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