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Fencer Vulns
high 8.8

CVE-2017-12135 json

Xen allows local OS guest users to cause a denial of service (crash) or possibly obtain sensitive information or gain privileges via vector…

published 2017-08-24 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-3719

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

Xen allows local OS guest users to cause a denial of service (crash) or possibly obtain sensitive information or gain privileges via vectors involving transitive grants.

Patch / fix

  • xen Debian 14, Debian 13, Debian 12 4.8.1-1+deb9u3

debian advisories DEBIAN-CVE-2017-12135

  • xen Ubuntu 14.04 LTS 4.4.2-0ubuntu0.14.04.14
  • xen Ubuntu 16.04 LTS 4.6.5-0ubuntu1.4

ubuntu advisories UBUNTU-CVE-2017-12135

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 12 SP3, SLED 12 SP3, SLE Software Development Kit 12 SP3 +1 more 4.9.0_11-3.9.1
  • xen SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 4.4.4_22-61.9.2
  • xen SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 4.2.5_21-45.5.1
  • xen SLES for SAP 12 SP2, SLES 12 SP2, SLED 12 SP2 +1 more 4.7.3_03-43.9.1
  • xen SLES for SAP 12 SP1, SLES 12 SP1-LTSS, OpenStack Cloud 6 4.5.5_14-22.25.1
  • xen SLES for SAP 12, SLES 12-LTSS 4.4.4_22-22.51.2

suse advisories SUSE-SU-2017:2327-2SUSE-SU-2017:2327-1SUSE-SU-2017:2541-1SUSE-SU-2017:2450-1SUSE-SU-2017:2339-1SUSE-SU-2017:2326-1

  • xen openSUSE Tumbleweed 4.15.1_01-1.2

opensuse advisories openSUSE-SU-2024:11520-1

  • xen Alpine 3.24, Alpine 3.23, Alpine 3.22 +15 more 4.9.0-r1
  • xen Alpine 3.4, Alpine 3.3 4.6.6-r0
  • xen Alpine 3.5 4.7.3-r0
  • xen Alpine 3.6 4.8.2-r0

alpine advisories ALPINE-CVE-2017-12135

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

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-2017-12135 updated cvss 8.0

xen: possibly unbounded recursion in grant table code (XSA-226)

  • Red Hat Enterprise Linux 5 xen
    affected: no fix planned “Will not fix”

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

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns 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.