{"id":"CVE-2023-53017","state":"PUBLISHED","title":"Bluetooth: hci_sync: fix memory leak in hci_update_adv_data()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_sync: fix memory leak in hci_update_adv_data()\n\nWhen hci_cmd_sync_queue() failed in hci_update_adv_data(), inst_ptr is\nnot freed, which will cause memory leak, convert to use ERR_PTR/PTR_ERR\nto pass the instance to callback so no memory needs to be allocated.","publishedAt":"2025-03-27T16:43:45.211Z","updatedAt":"2026-05-11T19:36:59.383Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"651cd3d65b0f76a2198fcf3a80ce5d53dd267717","status":"affected","lessThan":"8ac6043bd3e5b58d30f50737aedc2e58e8087ad5","versionType":"git"},{"version":"651cd3d65b0f76a2198fcf3a80ce5d53dd267717","status":"affected","lessThan":"1ed8b37cbaf14574c779064ef1372af62e8ba6aa","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/hci_sync.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","versionType":"semver"},{"version":"6.1.9","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/hci_sync.c"]}],"references":["https://git.kernel.org/stable/c/8ac6043bd3e5b58d30f50737aedc2e58e8087ad5","https://git.kernel.org/stable/c/1ed8b37cbaf14574c779064ef1372af62e8ba6aa"],"weaknesses":["CWE-401"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53017.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53017","state":"PUBLISHED","datePublished":"2025-03-27T16:43:45.211Z","dateUpdated":"2026-05-11T19:36:59.383Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-03-27T16:40:15.750Z"},"containers":{"cna":{"title":"Bluetooth: hci_sync: fix memory leak in hci_update_adv_data()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_sync: fix memory leak in hci_update_adv_data()\n\nWhen hci_cmd_sync_queue() failed in hci_update_adv_data(), inst_ptr is\nnot freed, which will cause memory leak, convert to use ERR_PTR/PTR_ERR\nto pass the instance to callback so no memory needs to be allocated."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"651cd3d65b0f76a2198fcf3a80ce5d53dd267717","status":"affected","lessThan":"8ac6043bd3e5b58d30f50737aedc2e58e8087ad5","versionType":"git"},{"version":"651cd3d65b0f76a2198fcf3a80ce5d53dd267717","status":"affected","lessThan":"1ed8b37cbaf14574c779064ef1372af62e8ba6aa","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/hci_sync.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","versionType":"semver"},{"version":"6.1.9","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/hci_sync.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/8ac6043bd3e5b58d30f50737aedc2e58e8087ad5"},{"url":"https://git.kernel.org/stable/c/1ed8b37cbaf14574c779064ef1372af62e8ba6aa"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:36:59.383Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.1.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-10-01T17:20:07.872098Z","id":"CVE-2023-53017","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-401","type":"CWE","lang":"en","description":"CWE-401 Missing Release of Memory after Effective Lifetime"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T17:20:11.426Z"}}]}}}