CVE-2018-20168 — MEDIUM (5.5)

Q: How severe is CVE-2018-20168?

CVE-2018-20168 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2018-20168?

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

Vulnerability Description

Google gVisor before 2018-08-22 reuses a pagetable in a different level with the paging-structure cache intact, which allows attackers to cause a denial of service ("physical address not valid" panic) via a crafted application.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Gvisor	< 2018-08-22

Related Weaknesses (CWE)

CWE-20

References

https://bugs.chromium.org/p/project-zero/issues/detail?id=1674PatchVendor Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1674PatchVendor Advisory

FAQ

What is CVE-2018-20168?

CVE-2018-20168 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Google gVisor before 2018-08-22 reuses a pagetable in a different level with the paging-structure cache intact, which allows attackers to cause a denial of service ("physical address not valid" panic)...

How severe is CVE-2018-20168?

CVE-2018-20168 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-2018-20168?

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