ghsa-73pg-2qfc-2cfm
Vulnerability from github
Published
2022-05-24 19:11
Modified
2023-07-02 15:30
Severity ?
Details
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": [], "aliases": [ "CVE-2021-3573" ], "database_specific": { "cwe_ids": [ "CWE-362" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2021-08-13T14:15:00Z", "severity": "MODERATE" }, "details": "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.", "id": "GHSA-73pg-2qfc-2cfm", "modified": "2023-07-02T15:30:14Z", "published": "2022-05-24T19:11:06Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3573" }, { "type": "WEB", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1966578" }, { "type": "WEB", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git/commit/?id=e305509e678b3a4af2b3cfd410f409f7cdaabb52" }, { "type": "WEB", "url": "https://www.openwall.com/lists/oss-security/2021/06/08/2" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2023/07/02/1" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" } ] }
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Sightings
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Nomenclature
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- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.