CVE - CVE-2021-3573

CVE-ID
CVE-2021-3573	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://bugzilla.redhat.com/show_bug.cgi?id=1966578 URL:https://bugzilla.redhat.com/show_bug.cgi?id=1966578 MISC:https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git/commit/?id=e305509e678b3a4af2b3cfd410f409f7cdaabb52 URL:https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git/commit/?id=e305509e678b3a4af2b3cfd410f409f7cdaabb52 MISC:https://www.openwall.com/lists/oss-security/2021/06/08/2 URL:https://www.openwall.com/lists/oss-security/2021/06/08/2 MLIST:[oss-security] 20230702 CVE-2023-3439: Linux MCTP use-after-free in mctp_sendmsg URL:http://www.openwall.com/lists/oss-security/2023/07/02/1
Assigning CNA
Red Hat, Inc.
Date Record Created
20210601	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20210601)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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