CVE-2019-5595 — MEDIUM (5.5)

Vulnerability 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 Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Freebsd	Freebsd	11.2

Related Weaknesses (CWE)

CWE-459

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-19:01.syscall.ascPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/156624Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:01.syscall.ascPatchVendor Advisory

FAQ

What is CVE-2019-5595?

CVE-2019-5595 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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...

How severe is CVE-2019-5595?

CVE-2019-5595 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-5595?

Check the references section above for vendor advisories and patch information. Affected products include: Freebsd Freebsd.