4.9

CVE-2015-7812: xen 7PK - Security Features

Modified
AliasesUBUNTU-CVE-2015-7812DEBIAN-CVE-2015-7812
Published 17-11-2015Last modified 06-08-2024

Vulnerability summary

CVE-2015-7812 is a medium (CVSS 4.9) 7PK - Security Features vulnerability in xen. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 33.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.9, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.9/10
010
Medium · v2.0 (NVD)
EPSS score
0.40%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2
DSA-3414-1MGASA-2016-0098

Timeline

  1. 17-11-2015
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The hypercall_create_continuation function in arch/arm/domain.c in Xen 4.4.x through 4.6.x allows local guest users to cause a denial of service (host crash) via a preemptible hypercall to the multicall interface.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.40%

Chance of exploitation in the next 30 days

Percentile

34%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.40% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.

Debian1 product
  • xen< 4.6.0-1
Ubuntu1 product
  • xen< 4.4.2-0ubuntu0.14.04.3
Xen1 product
  • xen4.4.0 | 4.4.1 | 4.4.2 | 4.4.3 | 4.5.0 | 4.5.1 | 4.5.2 | 4.6.0

3 vendors · 3 products

References

10 links