Bluetooth: hci_conn: Fix memory leak in hci_le_big_terminate()

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Summary

CVECVE-2026-53364
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-13 18:16:28 UTC
Updated2026-07-13 18:16:28 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: Fix memory leak in hci_le_big_terminate() hci_le_big_terminate() allocates iso_list_data via kzalloc_obj but returns 0 without freeing it when neither pa_sync_term nor big_sync_term flags are set after evaluating the PA and BIG sync connection state. This early-return path was introduced when hci_le_big_terminate() was refactored to take struct hci_conn instead of raw u8 parameters, adding PA/BIG flag evaluation logic. The existing kfree() on hci_cmd_sync_queue failure does not cover this path.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected a7bcffc673de219af2698fbb90627016233de67b e6b78019664dfe37c3dc707f50e7b453d6c7726d git Not specified
CNA Linux Linux affected a7bcffc673de219af2698fbb90627016233de67b a59d4f4217e6200ca9180643e5738a87d3fa8be0 git Not specified
CNA Linux Linux affected a7bcffc673de219af2698fbb90627016233de67b bfa9d28960ed677d556bdf097073bc3129686229 git Not specified
CNA Linux Linux affected 087812a6119b4cd5c9d658b48aee40a25707a1c6 git Not specified
CNA Linux Linux affected 6.16.4 6.17 semver Not specified
CNA Linux Linux affected 6.17 Not specified
CNA Linux Linux unaffected 6.17 semver Not specified
CNA Linux Linux unaffected 6.18.35 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.12 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/bfa9d28960ed677d556bdf097073bc3129686229 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e6b78019664dfe37c3dc707f50e7b453d6c7726d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/a59d4f4217e6200ca9180643e5738a87d3fa8be0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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