ipvs: skip ipv6 extension headers for csum checks

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-45850
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-27 14:16:56 UTC
Updated2026-06-25 21:03:27 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

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.002160000 probability, percentile 0.118810000 (date 2026-06-24)

Problem Types: NVD-CWE-noinfo

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 0bbdd42b7efa66685b6d74701bcde3a596a3a59d 0bf92a90bf05ecafe52e92d5bc15a585021a64ac git Not specified
CNA Linux Linux affected 0bbdd42b7efa66685b6d74701bcde3a596a3a59d 54add3b7d3c154ca89ef5bac2582b0ed1a3a15d5 git Not specified
CNA Linux Linux affected 0bbdd42b7efa66685b6d74701bcde3a596a3a59d 768f665f3685b455ed686370ed7ccb852a125a3b git Not specified
CNA Linux Linux affected 0bbdd42b7efa66685b6d74701bcde3a596a3a59d 9aa7edc1347b98774e5167ca34e5b8aa6083bde7 git Not specified
CNA Linux Linux affected 0bbdd42b7efa66685b6d74701bcde3a596a3a59d d643c1ec80b70508f54dac12179e36920e2c00de git Not specified
CNA Linux Linux affected 0bbdd42b7efa66685b6d74701bcde3a596a3a59d cdce1e797addab72393c0dfee31aaca41ef7d937 git Not specified
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 5.10.259 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.210 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.176 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.143 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.94 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.36 6.18.* 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/0bf92a90bf05ecafe52e92d5bc15a585021a64ac 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/768f665f3685b455ed686370ed7ccb852a125a3b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/05cfe9863ef049d98141dc2969eefde72fb07625 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/54add3b7d3c154ca89ef5bac2582b0ed1a3a15d5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/a3ca27762ce8476b4fbf9b2a8f5cb74c38e483e4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/d643c1ec80b70508f54dac12179e36920e2c00de 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/9aa7edc1347b98774e5167ca34e5b8aa6083bde7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/cdce1e797addab72393c0dfee31aaca41ef7d937 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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