batman-adv: reject new tp_meter sessions during teardown

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Summary

CVECVE-2026-46206
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-28 10:16:36 UTC
Updated2026-05-30 11:17:26 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: batman-adv: reject new tp_meter sessions during teardown Prevent tp_meter from starting new sender or receiver sessions after mesh_state has left BATADV_MESH_ACTIVE.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.000180000 probability, percentile 0.051640000 (date 2026-05-29)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 33a3bb4a3345bb511f9c69c913da95d4693e2a4e e4a3c4a4c8f6efd243c3e448c05b7bebcbf7b3b6 git Not specified
CNA Linux Linux affected 33a3bb4a3345bb511f9c69c913da95d4693e2a4e ff93f86ecbb50a4709c403fc279a396e308edde5 git Not specified
CNA Linux Linux affected 33a3bb4a3345bb511f9c69c913da95d4693e2a4e e1e2194cc725ec1d41f9412496212f0fa0519c36 git Not specified
CNA Linux Linux affected 33a3bb4a3345bb511f9c69c913da95d4693e2a4e ca39545cf07c142b39d474a1439a046bf28def3d git Not specified
CNA Linux Linux affected 33a3bb4a3345bb511f9c69c913da95d4693e2a4e 3243543592425beec83d453793e9d27caa0d8e66 git Not specified
CNA Linux Linux affected 4.8 Not specified
CNA Linux Linux unaffected 4.8 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/e4a3c4a4c8f6efd243c3e448c05b7bebcbf7b3b6 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3243543592425beec83d453793e9d27caa0d8e66 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ff93f86ecbb50a4709c403fc279a396e308edde5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ca39545cf07c142b39d474a1439a046bf28def3d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e1e2194cc725ec1d41f9412496212f0fa0519c36 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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