PT-2017-14857 · Xen+1 · Xen+1

Jan Beulich · Published 2017-12-12 · Updated 2018-10-19 · CVE-2017-17563

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Xen versions prior to 4.10

Description An issue in Xen allows guest OS users to cause a denial of service, potentially leading to a host OS crash, or gain host OS privileges. This is achieved by leveraging an incorrect mask for reference-count overflow checking in shadow mode.

Recommendations For versions prior to 4.10, update to version 4.10 or later to resolve the issue.

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2017-17563

DLA-1230-1

DLA-1549-1

DSA-4112-1

OPENSUSE-SU-2018_0459-1

SUSE-SU-2018:0438-1

SUSE-SU-2018:0472-1

SUSE-SU-2018:0601-1

SUSE-SU-2018:0609-1

SUSE-SU-2018:0638-1

SUSE-SU-2018:0678-1

Affected Products

Suse

Xen

References · 64

• https://nvd.nist.gov/vuln/detail/CVE-2017-17563 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2018:0601-1 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2017-17563 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:0609-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:0438-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-17563 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4112-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-17563 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2018:0638-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:0678-1 · Vendor Advisory
• https://xenbits.xen.org/xsa/advisory-249.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-17563 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:0472-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-17563 · Vendor Advisory
• https://debian.org/security/2018/dsa-4112 · Vendor Advisory