FreeBSD9F15C2DA-947E-11EA-92AB-00163E433440FreeBSD -- Use after free in cryptodev module
5.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:P/A:P
7.4 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
0.001 Low
EPSS
Percentile
45.6%
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| FreeBSD | any | noarch | freebsd-kernel | = 12.1 | UNKNOWN |
| FreeBSD | any | noarch | freebsd-kernel | < 12.1_5 | UNKNOWN |
Related
5.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:P/A:P
7.4 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
0.001 Low
EPSS
Percentile
45.6%