{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53828","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-09T01:27:17.825Z","datePublished":"2025-12-09T01:29:42.166Z","dateUpdated":"2026-05-11T19:52:19.296Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:52:19.296Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_sync: Avoid use-after-free in dbg for hci_add_adv_monitor()\n\nKSAN reports use-after-free in hci_add_adv_monitor().\n\nWhile adding an adv monitor,\n    hci_add_adv_monitor() calls ->\n    msft_add_monitor_pattern() calls ->\n    msft_add_monitor_sync() calls ->\n    msft_le_monitor_advertisement_cb() calls in an error case ->\n    hci_free_adv_monitor() which frees the *moniter.\n\nThis is referenced by bt_dev_dbg() in hci_add_adv_monitor().\n\nFix the bt_dev_dbg() by using handle instead of monitor->handle."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/hci_core.c"],"versions":[{"version":"b747a83690c8f53bc7a3f75899415c699b2c51aa","lessThan":"81d8e9f59df63b8358751c1ffed9f1cf5c796909","status":"affected","versionType":"git"},{"version":"b747a83690c8f53bc7a3f75899415c699b2c51aa","lessThan":"aafda69d4807f5edf3558c9534be9b911774e63a","status":"affected","versionType":"git"},{"version":"b747a83690c8f53bc7a3f75899415c699b2c51aa","lessThan":"8d66f7ced51cb924bc90278d6a0a26a52877271a","status":"affected","versionType":"git"},{"version":"b747a83690c8f53bc7a3f75899415c699b2c51aa","lessThan":"a2bcd2b63271a93a695fabbfbf459c603d956d48","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/hci_core.c"],"versions":[{"version":"6.0","status":"affected"},{"version":"0","lessThan":"6.0","status":"unaffected","versionType":"semver"},{"version":"6.1.53","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.4.16","lessThanOrEqual":"6.4.*","status":"unaffected","versionType":"semver"},{"version":"6.5.3","lessThanOrEqual":"6.5.*","status":"unaffected","versionType":"semver"},{"version":"6.6","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":"6.0","versionEndExcluding":"6.1.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.4.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.5.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.6"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/81d8e9f59df63b8358751c1ffed9f1cf5c796909"},{"url":"https://git.kernel.org/stable/c/aafda69d4807f5edf3558c9534be9b911774e63a"},{"url":"https://git.kernel.org/stable/c/8d66f7ced51cb924bc90278d6a0a26a52877271a"},{"url":"https://git.kernel.org/stable/c/a2bcd2b63271a93a695fabbfbf459c603d956d48"}],"title":"Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_add_adv_monitor()","x_generator":{"engine":"bippy-1.2.0"}}}}