6.3

CVE-2016-1571: citrix xenserver DEPRECATED: Code

CVSS: 6.3v3.0MediumModified
AliasesUBUNTU-CVE-2016-1571DEBIAN-CVE-2016-1571
Published 22-01-2016Last modified 05-08-2024

Vulnerability summary

CVE-2016-1571 is a medium (CVSS 6.3) DEPRECATED: Code vulnerability in citrix xenserver. EPSS estimates a 1.28% chance of exploitation in the next 30 days, higher than 69.4% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.3/10
010
Medium · v3.0 (NVD)
EPSS score
1.28%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 9 · Related 6

Timeline

  1. 22-01-2016
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

The paging_invlpg function in include/asm-x86/paging.h in Xen 3.3.x through 4.6.x, when using shadow mode paging or nested virtualization is enabled, allows local HVM guest users to cause a denial of service (host crash) via a non-canonical guest address in an INVVPID instruction, which triggers a hypervisor bug check.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.28%

Chance of exploitation in the next 30 days

Percentile

69%

Versus all other CVEs

30-day change

0.00 pp

From 1.28% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.28%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Citrix1 product
Debian1 product
  • xen< 4.8.0~rc3-1
Ubuntu1 product
  • xen< 4.4.2-0ubuntu0.14.04.5
Xen1 product
  • xen3.3.0 | 3.3.1 | 3.3.2 | 3.4.0 | 3.4.1 | 3.4.2 | 3.4.3 | 3.4.4 | 4.1.0 | 4.1.1 | 4.1.2 | 4.1.3 | 4.1.4 | 4.1.5 | 4.1.6 | 4.1.6.1 | 4.2.0 | 4.2.1 | 4.2.2 | 4.2.3 | 4.2.4 | 4.2.5 | 4.3.0 | 4.3.1 | 4.3.2 | 4.3.3 | 4.3.4 | 4.4.0 | 4.4.0:rc1 | 4.4.1 | 4.4.2 | 4.4.3 | 4.5.0 | 4.5.1 | 4.5.2 | 4.6.0

4 vendors · 4 products

References

7 links