CVE-2026-46212: batman-adv: bla: prevent use-after-free when deleting claims
Published May 28, 2026
·Updated
batman-adv: bla: prevent use-after-free when deleting claims
Affected Software
12 affected componentsFixes available
Linux batman-adv
Linux Linux kernel>=3.5<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
RemedyDescriptionSeverityWeaknessAffected Software
May 29, 2026
Data Sourced
via Microsoft·08:04 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:04 AM
Affected Software
Updated
via Microsoft·08:04 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2026-46212?
CVE-2026-46212 has a high severity score of 8.8.
2
What type of vulnerability is CVE-2026-46212?
CVE-2026-46212 is categorized as a Use After Free vulnerability.
3
How do I fix CVE-2026-46212?
To fix CVE-2026-46212, update to the latest version of the Linux batman-adv software where the vulnerability has been resolved.
4
What is the impact of CVE-2026-46212?
CVE-2026-46212 can lead to potential information disclosure and system instability due to memory management errors.
5
Which software is affected by CVE-2026-46212?
CVE-2026-46212 affects the Linux batman-adv software.