7.2

CVE-2016-7154: xen Use After Free

CVSS: 7.2v2.0HighModified
AliasesUBUNTU-CVE-2016-7154DEBIAN-CVE-2016-7154
Published 21-09-2016Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-7154 is a high (CVSS 7.2) Use After Free vulnerability in xen. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 42% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v2.0 (NVD)
EPSS score
0.50%
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 3 · Related 2
DSA-3663-1SUSE-SU-2016:2507-1SUSE-SU-2016:2533-1

Timeline

  1. 21-09-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.50%

Chance of exploitation in the next 30 days

Percentile

42%

Versus all other CVEs

30-day change

0.00 pp

From 0.50% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.50%

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

Debian1 product
  • xen< 4.6.0-1
Ubuntu1 product
  • xen< 4.4.2-0ubuntu0.14.04.7
Xen1 product
  • xen4.4.0 | 4.4.1 | 4.4.2 | 4.4.3 | 4.4.4

3 vendors · 3 products

References

11 links
Show all 11 references