CVE-2026-52919: batman-adv: fix tp_meter counter underflow during shutdown
Published Jun 24, 2026
·Updated
batman-adv: fix tpmeter counter underflow during shutdown
Affected Software
13 affected componentsFixes available
Linux batman-adv (Linux kernel)
Microsoft azl3 kernel 6.6.141.1-1<6.6.143.1-1
6.6.143.1-1
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<6.6.142
Linux Linux kernel>=6.7<6.12.92
Linux Linux kernel>=6.13<6.18.34
Linux Linux kernel>=6.19<7.0.11
Linux Linux kernel=7.1-rc1
Linux Linux kernel=7.1-rc2
Linux Linux kernel=7.1-rc3
Linux Linux kernel=7.1-rc4
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 6.6.143.1-1
Event History
Jun 24, 2026
CVE Published
via MITRE·07:14 AM
Data Sourced
via MITRE·07:14 AM
DescriptionSeverity
Data Sourced
via NVD·08:16 AM
RemedyDescriptionSeverityWeaknessAffected Software
Jun 27, 2026
Data Sourced
via Microsoft·08:11 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:11 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2026-52919?
CVE-2026-52919 has a risk score of 51, indicating a moderate level of severity.
2
How do I fix CVE-2026-52919?
To fix CVE-2026-52919, ensure that you update to the patched version of the Linux kernel that addresses the tp_meter counter underflow issue.
3
Which software is affected by CVE-2026-52919?
CVE-2026-52919 affects the Linux batman-adv module within the Linux kernel.
4
What type of vulnerability is CVE-2026-52919 classified as?
CVE-2026-52919 is classified as a Use After Free vulnerability.
5
When was CVE-2026-52919 published?
CVE-2026-52919 was published on June 24, 2026.