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CVE Vulnerability Details :

CVE-2026-43021

PUBLISHED

More Info Official Page

Assigner-Linux

Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published At-01 May, 2026 | 14:15

Updated At-02 May, 2026 | 06:14

▼CVE Numbering Authority (CNA)

Bluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fails

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.

Affected Products

Vendor

Linux Kernel Organization, Inc

Product

Linux

Repo

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Program Files

net/bluetooth/hci_sync.c

Default Status

unaffected

Versions

Affected

From a106e50be74b0896583f4d010a69f9806e4194f4 before 7fd74178d4b16dcf47179da634ea9d7c02e3608b (git)
From a106e50be74b0896583f4d010a69f9806e4194f4 before aca377208e7f7322bf4e107cdec6e7d7e8aa7a88 (git)

Vendor

Linux Kernel Organization, Inc

Product

Linux

Repo

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Program Files

net/bluetooth/hci_sync.c

Default Status

affected

Versions

Affected

6.19

Unaffected

From 0 before 6.19 (semver)
From 6.19.12 through 6.19.* (semver)
From 7.0 through * (original_commit_for_fix)

References

Hyperlink	Resource
https://git.kernel.org/stable/c/7fd74178d4b16dcf47179da634ea9d7c02e3608b	N/A
https://git.kernel.org/stable/c/aca377208e7f7322bf4e107cdec6e7d7e8aa7a88	N/A

Hyperlink: https://git.kernel.org/stable/c/7fd74178d4b16dcf47179da634ea9d7c02e3608b

Resource: N/A

Hyperlink: https://git.kernel.org/stable/c/aca377208e7f7322bf4e107cdec6e7d7e8aa7a88

Resource: N/A

Affected Products

Affected

Affected

Unaffected

Metrics

Metrics Other Info

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Replaced By

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References