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I. Basic Information for CVE-2026-43021
Vulnerability Information

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Vulnerability Title
Bluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fails
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fails When hci_cmd_sync_queue_once() returns with error, the destroy callback will not be called. Fix leaking references / memory on these failures.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
LinuxLinux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ~ 7fd74178d4b16dcf47179da634ea9d7c02e3608b -
LinuxLinux 6.19.12 ~ 6.19.* -
II. Public POCs for CVE-2026-43021
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III. Intelligence Information for CVE-2026-43021
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IV. Related Vulnerabilities
V. Comments for CVE-2026-43021

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