MEDIUM 4.7 Microsoft

CVE-2025-38593

Bluetooth: hci_sync: fix double free in 'hci_discovery_filter_clear()'

Microsoft Security Update 2025-Aug: Bluetooth: hci_sync: fix double free in 'hci_discovery_filter_clear()'

Affected Products

azl3 kernel 6.6.96.2-2 on Azure Linux 3.0
azl3 kernel 6.6.104.2-4 on Azure Linux 3.0
azl3 kernel 6.6.112.1-2 on Azure Linux 3.0
azl3 kernel 6.6.96.2-1 on Azure Linux 3.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-38593
https://nvd.nist.gov/vuln/detail/CVE-2025-38593

Published: 2025-08-12 · Source: Microsoft · Feed updated: 2026-08-10

This medium severity vulnerability with a CVSS score of 4.7 was published on 2025-08-12 via Microsoft. Affected: azl3 kernel 6.6.96.2-2 on Azure Linux 3.0, azl3 kernel 6.6.104.2-4 on Azure Linux 3.0, azl3 kernel 6.6.112.1-2 on Azure Linux 3.0 and 1 more.

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