Vulnerability CVE-2019-5595


Published: 2019-02-12

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.

Type:

CWE-20

(Improper Input Validation)

Vendor: Freebsd
Product: Freebsd 
Version: 12.0; 11.2;

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None

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

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