{"id":"CVE-2021-3573","state":"PUBLISHED","title":"A use-after-free in function hci_sock_bound_ioctl() of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of th","description":"A use-after-free in function hci_sock_bound_ioctl() of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call hci_unregister_dev() together with one of the calls hci_sock_blacklist_add(), hci_sock_blacklist_del(), hci_get_conn_info(), hci_get_auth_info(). A privileged local user could use this flaw to crash the system or escalate their privileges on the system. This flaw affects the Linux kernel versions prior to 5.13-rc5.","publishedAt":"2021-08-13T00:00:00.000Z","updatedAt":"2024-08-03T17:01:07.293Z","severity":null,"assigner":"redhat","products":["n/a kernel"],"affected":[{"vendor":"n/a","product":"kernel","versions":[{"version":"kernel 5.13-rc5","status":"affected"}]}],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1966578","https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git/commit/?id=e305509e678b3a4af2b3cfd410f409f7cdaabb52","https://www.openwall.com/lists/oss-security/2021/06/08/2","http://www.openwall.com/lists/oss-security/2023/07/02/1"],"weaknesses":["CWE-362"],"ingestedAt":"2026-10-29T19:48:55.807Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/3xxx/CVE-2021-3573.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-3573","state":"PUBLISHED","datePublished":"2021-08-13T00:00:00.000Z","dateUpdated":"2024-08-03T17:01:07.293Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2021-06-01T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A use-after-free in function hci_sock_bound_ioctl() of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call hci_unregister_dev() together with one of the calls hci_sock_blacklist_add(), hci_sock_blacklist_del(), hci_get_conn_info(), hci_get_auth_info(). A privileged local user could use this flaw to crash the system or escalate their privileges on the system. This flaw affects the Linux kernel versions prior to 5.13-rc5."}],"affected":[{"vendor":"n/a","product":"kernel","versions":[{"version":"kernel 5.13-rc5","status":"affected"}]}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1966578"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git/commit/?id=e305509e678b3a4af2b3cfd410f409f7cdaabb52"},{"url":"https://www.openwall.com/lists/oss-security/2021/06/08/2"},{"url":"http://www.openwall.com/lists/oss-security/2023/07/02/1","name":"[oss-security] 20230702 CVE-2023-3439: Linux MCTP use-after-free in mctp_sendmsg","tags":["mailing-list"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-362","type":"CWE","lang":"en","description":"CWE-362->CWE-416"}]}],"providerMetadata":{"shortName":"redhat","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateUpdated":"2023-07-02T00:00:00.000Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1966578","tags":["x_transferred"]},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git/commit/?id=e305509e678b3a4af2b3cfd410f409f7cdaabb52","tags":["x_transferred"]},{"url":"https://www.openwall.com/lists/oss-security/2021/06/08/2","tags":["x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2023/07/02/1","name":"[oss-security] 20230702 CVE-2023-3439: Linux MCTP use-after-free in mctp_sendmsg","tags":["mailing-list","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T17:01:07.293Z"}}]}}}