CVE-2021-3640 in Kernel
要約 (英語)
A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system.
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予約する
2021年07月09日
公開
2022年03月04日
ステータス
確認済み
エントリ
VulDB provides additional information and datapoints for this CVE:
| 識別子 | 脆弱性 | CWE | 悪用可 | 対策 | CVE |
|---|---|---|---|---|---|
| 194173 | Linux Kernel HCI sco_sock_sendmsg メモリ破損 | 416 | 未定義 | 公式な修正 | CVE-2021-3640 |