Non notée
CVE-2021-3573 A use-after-free in function hci_sock_bound_ioctl() of the Linux kernel HCI subsystem was found in the way user calls…
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.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| kernel | Versions non publiées |
Références
- bugzilla.redhat.com bugzilla.redhat.com
- git.kernel.org git.kernel.org
- www.openwall.com www.openwall.com
- [oss-security] 20230702 CVE-2023-3439: Linux MCTP use-after-free in mctp_sendmsg www.openwall.com
Chronologie
- Publiée
- Dernière modification
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