Insufficient Validation of User-Supplied Sizes in TIPC Crypto Message Type

Insufficient Validation of User-Supplied Sizes in TIPC Crypto Message Type

CVE-2021-43267 · CRITICAL Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

An issue was discovered in net/tipc/crypto.c in the Linux kernel before 5.14.16. The Transparent Inter-Process Communication (TIPC) functionality allows remote attackers to exploit insufficient validation of user-supplied sizes for the MSG_CRYPTO message type.

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