CVE-2017-12137: citrix xenserver
Vulnerability summary
CVE-2017-12137 is a high (CVSS 8.8) vulnerability in citrix xenserver. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 38% of scored vulnerabilities.
Not severe (CVSS 8.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 10 · Related 8Timeline
- 24-08-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to map_grant_ref.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated8.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
0.44%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.44% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- xen< 4.8.1-1+deb9u3
- debian_linuxEOL8.0 | 9.0
Alpine1 product
- xen< 4.9.0-r1 | < 4.6.6-r0 | < 4.7.3-r0 | < 4.8.2-r0
Citrix1 product
- xenserver6.0.2 | 6.2.0 | 6.5 | 7.0 | 7.1 | 7.2
Ubuntu1 product
- xen< 4.4.2-0ubuntu0.14.04.14 | < 4.6.5-0ubuntu1.4
4 vendors · 5 products
References
13 links- www.openwall.com/lists/oss-security/2017/08/15/2Mailing ListX Refsource MLISTMitigationPatchThird Party Advisory