CVE-2026-46111: Bluetooth: hci_conn: fix potential UAF in create_big_sync
Published May 28, 2026
·Updated
Bluetooth: hciconn: fix potential UAF in createbigsync
Affected Software
8 affected componentsFixes available
Linux Foundation Linux Kernel
Linux Linux kernel>=6.0<6.6.140
Linux Linux kernel>=6.7<6.12.90
Linux Linux kernel>=6.13<6.18.32
Linux Linux kernel>=6.19<7.0.7
Linux Linux kernel=7.1-rc1
Linux Linux kernel=7.1-rc2
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·09:35 AM
Data Sourced
via MITRE·09:35 AM
DescriptionSeverity
Data Sourced
via NVD·10:16 AM
RemedyDescriptionSeverityWeaknessAffected Software
May 29, 2026
Data Sourced
via Microsoft·08:03 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:03 AM
Affected Software
Updated
via Microsoft·08:03 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2026-46111?
CVE-2026-46111 has a high severity rating of 7.8.
2
How do I fix CVE-2026-46111?
To fix CVE-2026-46111, ensure your Linux Kernel is updated to a version that includes the patch addressing this vulnerability.
3
What type of vulnerability is CVE-2026-46111?
CVE-2026-46111 is classified as a Use After Free vulnerability.
4
What impact does CVE-2026-46111 have on my system?
The impact of CVE-2026-46111 includes potential exploitation that could lead to a system crash or unauthorized access to system resources.
5
In which software is CVE-2026-46111 found?
CVE-2026-46111 is found in the Linux Foundation Linux Kernel.