CVE-2026-46206: batman-adv: reject new tp_meter sessions during teardown
Published May 28, 2026
·Updated
batman-adv: reject new tpmeter sessions during teardown
Affected Software
12 affected componentsFixes available
Linux kernel batman-adv
Linux Linux kernel>=4.8<5.10.258
Linux Linux kernel>=5.11<5.15.209
Linux Linux kernel>=5.16<6.1.175
Linux Linux kernel>=6.2<6.6.140
Linux Linux kernel>=6.7<6.12.90
Linux Linux kernel>=6.13<6.18.32
Linux Linux kernel>=6.19<7.0.9
Linux Linux kernel=7.1-rc1
Linux Linux kernel=7.1-rc2
Linux Linux kernel=7.1-rc3
Microsoft azl3 kernel 6.6.139.1-1<6.6.141.1-1
6.6.141.1-1
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.6.141.1-1
Event History
May 28, 2026
CVE Published
via MITRE·09:40 AM
Data Sourced
via MITRE·09:40 AM
DescriptionSeverity
Data Sourced
via NVD·10:16 AM
RemedyDescriptionSeverityAffected Software
May 29, 2026
Data Sourced
via Microsoft·08:08 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:08 AM
Affected Software
Updated
via Microsoft·08:08 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2026-46206?
CVE-2026-46206 has a high severity rating of 7.8.
2
How do I fix CVE-2026-46206?
To mitigate CVE-2026-46206, ensure your Linux kernel is updated to the patched version that resolves the issue.
3
What are the potential impacts of CVE-2026-46206?
CVE-2026-46206 can lead to unauthorized session establishment during a critical teardown phase, which may compromise network integrity.
4
Which software is affected by CVE-2026-46206?
CVE-2026-46206 affects the Linux kernel specifically in the batman-adv networking module.
5
When was CVE-2026-46206 published?
CVE-2026-46206 was published on May 28, 2026.