net: remove WARN_ON_ONCE when accessing forward path array

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-45847
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-27 14:16:56 UTC
Updated2026-06-25 21:03:49 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: net: remove WARN_ON_ONCE when accessing forward path array Although unlikely, recent support for IPIP tunnels increases chances of reaching this WARN_ON_ONCE if userspace manages to build a sufficiently long forward path. Remove it.

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: 0.000240000 probability, percentile 0.073320000 (date 2026-06-01)

Problem Types: CWE-617

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 ddb94eafab8b597b05904c8277194ea2d6357fa9 548244c2f542aa0ad49453e9306e715a3877bc44 git Not specified
CNA Linux Linux affected ddb94eafab8b597b05904c8277194ea2d6357fa9 dcf9b3c90e5560339649d088836529883fb509f3 git Not specified
CNA Linux Linux affected ddb94eafab8b597b05904c8277194ea2d6357fa9 9464ca7a6e56ad1ebf48b2ad5c16871edfad10c6 git Not specified
CNA Linux Linux affected ddb94eafab8b597b05904c8277194ea2d6357fa9 959ea349c7e2d4edf07b6838ca7e59345fe61a08 git Not specified
CNA Linux Linux affected ddb94eafab8b597b05904c8277194ea2d6357fa9 50422613185d505201167e8bdd2f2700790d5db6 git Not specified
CNA Linux Linux affected ddb94eafab8b597b05904c8277194ea2d6357fa9 a78d055ba7c31103ad02f8eceb0c452e154d2660 git Not specified
CNA Linux Linux affected ddb94eafab8b597b05904c8277194ea2d6357fa9 008e7a7c293b30bc43e4368dac6ea3808b75a572 git Not specified
CNA Linux Linux affected 5.13 Not specified
CNA Linux Linux unaffected 5.13 semver Not specified
CNA Linux Linux unaffected 5.15.202 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.165 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.128 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.75 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.14 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/50422613185d505201167e8bdd2f2700790d5db6 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/548244c2f542aa0ad49453e9306e715a3877bc44 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/a78d055ba7c31103ad02f8eceb0c452e154d2660 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/dcf9b3c90e5560339649d088836529883fb509f3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/008e7a7c293b30bc43e4368dac6ea3808b75a572 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/959ea349c7e2d4edf07b6838ca7e59345fe61a08 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/9464ca7a6e56ad1ebf48b2ad5c16871edfad10c6 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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