FreeBSD : FreeBSD -- Insufficient cryptodev MAC key length check (0bfcae0b-947f-11ea-92ab-00163e433440)

Requests to create cryptography sessions using a MAC did not validate the user-supplied MAC key length. The cryptodev module allocates a buffer whose size is this user-suppled length. Impact : An unprivileged process can trigger a kernel panic. C Tenable Network Security, Inc. The descriptive tex...

FreeBSD : FreeBSD -- Use after free in cryptodev module (9f15c2da-947e-11ea-92ab-00163e433440)

A race condition permitted a data structure in the kernel to be used after it was freed by the cryptodev module. Impact : An unprivileged process can overwrite arbitrary kernel memory. C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from the...

CVE-2019-15879: Concurrent Execution using Shared Resource with Improper Synchronization

In FreeBSD 12.1-STABLE before r356908, 12.1-RELEASE before p5, 11.3-STABLE before r356908, and 11.3-RELEASE before p9, a race condition in the cryptodev module permitted a data structure in the kernel to be used after it was freed, allowing an unprivileged process can overwrite arbitrary kernel...

FreeBSD-SA-20:16.cryptodev

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-20:16.cryptodev Security Advisory The FreeBSD Project Topic: Insufficient cryptodev MAC key length check Category: core Module: cryptodev Announced: 2020-05-12...

FreeBSD-SA-20:15.cryptodev

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-20:15.cryptodev Security Advisory The FreeBSD Project Topic: Use after free in cryptodev module Category: core Module: cryptodev Announced: 2020-05-12 Credits:...

FreeBSD -- Insufficient cryptodev MAC key length check

Problem Description: Requests to create cryptography sessions using a MAC did not validate the user-supplied MAC key length. The cryptodev module allocates a buffer whose size is this user-suppled length. Impact: An unprivileged process can trigger a kernel panic...

FreeBSD -- Use after free in cryptodev module

Problem Description: A race condition permitted a data structure in the kernel to be used after it was freed by the cryptodev module. Impact: An unprivileged process can overwrite arbitrary kernel memory...

FreeBSD 6.1 - '/dev/crypto' Local Kernel Denial of Service

// Evgeny Legerov elegerov.blogspot.com include unistd.h include sys/types.h include stdio.h include fcntl.h include crypto/cryptodev.h int main int fd2, fd; struct cryptkop kop; printf"FreeBSD 6.1 /dev/crypto local kernel DoS\n"; fd2 = open"/dev/crypto", ORDWR, 0; if fd2 == -1 perror"open";...