batman-adv: bla: put backbone reference on failed claim hash insert

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-46231
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-28 10:16:38 UTC
Updated2026-06-10 21:12:01 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: put backbone reference on failed claim hash insert When batadv_bla_add_claim() fails to insert a new claim into the hash, it leaked a reference to the backbone_gw for which the claim was intended. Call batadv_backbone_gw_put() on the error path to release the reference and avoid leaking the backbone_gw object.

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: 0.000320000 probability, percentile 0.097350000 (date 2026-06-04)

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 3db0decf1185357d6ab2256d0dede1ca9efda03d 6c8b68a7ed667a63aa603ba4d3a7088be143007e git Not specified
CNA Linux Linux affected 3db0decf1185357d6ab2256d0dede1ca9efda03d 769f413d374ff2b6ff6d8d8c37b4c1178e6cdf14 git Not specified
CNA Linux Linux affected 3db0decf1185357d6ab2256d0dede1ca9efda03d 2888c9a154123db0254ae4fb9bea570c7e1f2e06 git Not specified
CNA Linux Linux affected 3db0decf1185357d6ab2256d0dede1ca9efda03d 65419eb4259a26a3cd3f56fa0e3b3c113bf8c256 git Not specified
CNA Linux Linux affected 3db0decf1185357d6ab2256d0dede1ca9efda03d fd0ca034c1e71ca7613cde9dd892836b2c2831bd git Not specified
CNA Linux Linux affected 3db0decf1185357d6ab2256d0dede1ca9efda03d 0baf4b659cdc7305cf685b5a5d60f9e3816ab5d0 git Not specified
CNA Linux Linux affected 3db0decf1185357d6ab2256d0dede1ca9efda03d 7cccf4eb4f96d3c3af91a00b7a9caa652439542e git Not specified
CNA Linux Linux affected 3db0decf1185357d6ab2256d0dede1ca9efda03d ba9d20ee9076dac32c371116bacbe72480eb356c git Not specified
CNA Linux Linux affected 3fdd337ac0b277a1f40aa73b35283520f426e517 git Not specified
CNA Linux Linux affected 485eedfabc2aefac8f09f98a82ba1c1e3e202a6d git Not specified
CNA Linux Linux affected 3.16.39 3.17 semver Not specified
CNA Linux Linux affected 4.4.217 4.5 semver Not specified
CNA Linux Linux affected 4.7 Not specified
CNA Linux Linux unaffected 4.7 semver Not specified
CNA Linux Linux unaffected 5.10.258 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.209 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.175 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.140 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.90 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.32 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.9 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1-rc4 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/2888c9a154123db0254ae4fb9bea570c7e1f2e06 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/ba9d20ee9076dac32c371116bacbe72480eb356c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/fd0ca034c1e71ca7613cde9dd892836b2c2831bd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/769f413d374ff2b6ff6d8d8c37b4c1178e6cdf14 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/7cccf4eb4f96d3c3af91a00b7a9caa652439542e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/0baf4b659cdc7305cf685b5a5d60f9e3816ab5d0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/6c8b68a7ed667a63aa603ba4d3a7088be143007e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/65419eb4259a26a3cd3f56fa0e3b3c113bf8c256 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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