bpf: Mark bpf_refcount field as unique

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-100074
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-25 14:17:13 UTC
Updated2026-10-21 13:18:26 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: bpf: Mark bpf_refcount field as unique BPF_REFCOUNT is not marked as a unique field, while it should be. Fix this oversight.

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: 0.001550000 probability, percentile 0.039480000 (date 2026-09-27)

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 d54730b50bae1f3119bd686d551d66f0fcc387ca 015f9fbcf3382c5eb563a157ee8cabb6fbfcfe5e git Not specified
CNA Linux Linux affected d54730b50bae1f3119bd686d551d66f0fcc387ca 20b3c72c1b83054c568d2322a95e217fdc281bc3 git Not specified
CNA Linux Linux affected d54730b50bae1f3119bd686d551d66f0fcc387ca e42cede6f90177f4f92f80d3de18f628e61d2087 git Not specified
CNA Linux Linux affected d54730b50bae1f3119bd686d551d66f0fcc387ca 641f814965d733936ca3618d4d5a12a8fa9be00e git Not specified
CNA Linux Linux affected d54730b50bae1f3119bd686d551d66f0fcc387ca 61e655391cb19c31f94ecd4354f624c81ce4cf75 git Not specified
CNA Linux Linux affected 6.4 Not specified
CNA Linux Linux unaffected 6.4 semver Not specified
CNA Linux Linux unaffected 6.6.160 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.114 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.52 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.6 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/015f9fbcf3382c5eb563a157ee8cabb6fbfcfe5e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/641f814965d733936ca3618d4d5a12a8fa9be00e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/61e655391cb19c31f94ecd4354f624c81ce4cf75 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/e42cede6f90177f4f92f80d3de18f628e61d2087 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/20b3c72c1b83054c568d2322a95e217fdc281bc3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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