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Fencer Intel
high 7.1

CVE-2015-2751 json

Xen 4.3.x, 4.4.x, and 4.5.x, when using toolstack disaggregation, allows remote domains with partial management control to cause a denial o…

published 11y ago modified 4mo ago also EUVD-2015-2841

cvss
7.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

Xen 4.3.x, 4.4.x, and 4.5.x, when using toolstack disaggregation, allows remote domains with partial management control to cause a denial of service (host lock) via unspecified domctl operations.

Patch / fix

  • xen Debian 14, Debian 13, Debian 12 4.4.1-9

debian advisories DEBIAN-CVE-2015-2751

  • xen Ubuntu 14.04 LTS 4.4.1-0ubuntu0.14.04.5

ubuntu advisories UBUNTU-CVE-2015-2751

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • xen SLES 11 SP3-TERADATA, SLES 11 SP3, SLED 11 SP3 +2 more 4.2.5_12-15.1
  • xen SLES for SAP 12, SLES 12, SLED 12 +1 more 4.4.2_04-18.1
  • xen SLES for SAP 12, SLES 12, SLED 12 +1 more 4.4.2_02-15.1

suse advisories SUSE-SU-2015:1479-2SUSE-SU-2015:1479-1SUSE-SU-2015:0923-1SUSE-SU-2015:0701-1

Is CVE-2015-2751 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-2751 updated cvss 1.2

xen: certain domctl operations may be abused to lock up the host

  • Red Hat Enterprise Linux 5 xen
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.28% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.1 AV:N/AC:M/Au:N/C:N/I:N/A:C

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.