HIGH 7.8 Microsoft
CVE-2026-43019
Bluetooth: hci_conn: fix potential UAF in set_cig_params_sync
Microsoft Security Update 2026-May: Bluetooth: hci_conn: fix potential UAF in set_cig_params_sync
Affected Products
- azl3 kernel 6.6.134.1-2 on Azure Linux 3.0
- azl3 kernel 6.6.138.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.141.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.137.1-2 on Azure Linux 3.0
- azl3 kernel 6.6.139.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.143.1-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43019
- https://nvd.nist.gov/vuln/detail/CVE-2026-43019
This high severity vulnerability with a CVSS score of 7.8 was published on 2026-05-12 via Microsoft. Affected: azl3 kernel 6.6.134.1-2 on Azure Linux 3.0, azl3 kernel 6.6.138.1-1 on Azure Linux 3.0, azl3 kernel 6.6.141.1-1 on Azure Linux 3.0 and 3 more.
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