CVE-2019-5595 Information

Description

In FreeBSD before 11.2-STABLE(r343782) 11.2-RELEASE-p9 12.0-STABLE(r343781) and 12.0-RELEASE-p3 kernel callee-save registers are not properly sanitized before return from system calls potentially allowing some kernel data used in the system call to be exposed.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

https://exchange.xforce.ibmcloud.com/vulnerabilities/156624 https://security.FreeBSD.org/advisories/FreeBSD-SA-19:01.syscall.asc

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5