{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53364","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-06-09T07:44:35.400Z","datePublished":"2026-07-13T17:33:52.302Z","dateUpdated":"2026-07-13T17:33:52.302Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-07-13T17:33:52.302Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_conn: Fix memory leak in hci_le_big_terminate()\n\nhci_le_big_terminate() allocates iso_list_data via kzalloc_obj but\nreturns 0 without freeing it when neither pa_sync_term nor big_sync_term\nflags are set after evaluating the PA and BIG sync connection state.\n\nThis early-return path was introduced when hci_le_big_terminate() was\nrefactored to take struct hci_conn instead of raw u8 parameters, adding\nPA/BIG flag evaluation logic. The existing kfree() on hci_cmd_sync_queue\nfailure does not cover this path."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/hci_conn.c"],"versions":[{"version":"a7bcffc673de219af2698fbb90627016233de67b","lessThan":"e6b78019664dfe37c3dc707f50e7b453d6c7726d","status":"affected","versionType":"git"},{"version":"a7bcffc673de219af2698fbb90627016233de67b","lessThan":"a59d4f4217e6200ca9180643e5738a87d3fa8be0","status":"affected","versionType":"git"},{"version":"a7bcffc673de219af2698fbb90627016233de67b","lessThan":"bfa9d28960ed677d556bdf097073bc3129686229","status":"affected","versionType":"git"},{"version":"087812a6119b4cd5c9d658b48aee40a25707a1c6","status":"affected","versionType":"git"},{"version":"6.16.4","lessThan":"6.17","status":"affected","versionType":"semver"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/hci_conn.c"],"versions":[{"version":"6.17","status":"affected"},{"version":"0","lessThan":"6.17","status":"unaffected","versionType":"semver"},{"version":"6.18.35","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.12","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"6.18.35"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.0.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16.4"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/e6b78019664dfe37c3dc707f50e7b453d6c7726d"},{"url":"https://git.kernel.org/stable/c/a59d4f4217e6200ca9180643e5738a87d3fa8be0"},{"url":"https://git.kernel.org/stable/c/bfa9d28960ed677d556bdf097073bc3129686229"}],"title":"Bluetooth: hci_conn: Fix memory leak in hci_le_big_terminate()","x_generator":{"engine":"bippy-1.2.0"}}}}