CVE-2015-2151: debian debian_linux
Vulnerability summary
CVE-2015-2151 is a high (CVSS 7.2) vulnerability in debian debian_linux. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 45.9% of scored vulnerabilities.
Not severe (CVSS 7.2, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4 · Related 1Timeline
- 12-03-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The x86 emulator in Xen 3.2.x through 4.5.x does not properly ignore segment overrides for instructions with register operands, which allows local guest users to obtain sensitive information, cause a denial of service (memory corruption), or possibly execute arbitrary code via unspecified vectors.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.55%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.55% 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, no authentication (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- xen< 4.4.1-8
- debian_linuxEOL7.0
Fedoraproject1 product
- fedoraEOL20 | 21 | 22
Ubuntu1 product
- xen< 4.4.1-0ubuntu0.14.04.4
Xen1 product
- xen3.2.0 | 3.2.1 | 3.2.2 | 3.2.3 | 3.3.0 | 3.3.1 | 3.3.2 | 3.4.0 | 3.4.1 | 3.4.2 | 3.4.3 | 3.4.4 | 4.0.0 | 4.0.1 | 4.0.2 | 4.0.3 | 4.0.4 | 4.1.0 | 4.1.1 | 4.1.2 | 4.1.3 | 4.1.4 | 4.1.5 | 4.1.6.1 | 4.2.0 | 4.2.1 | 4.2.2 | 4.2.3 | 4.3.0 | 4.3.1 | 4.4.0 | 4.4.0:rc1 | 4.4.1 | 4.5.0
4 vendors · 5 products
References
17 links- support.citrix.com/article/CTX200484X Refsource CONFIRM
- lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory
- lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory
- www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlX Refsource CONFIRM
- kb.juniper.net/InfoCenter/index?page=content&id=JSA10761X Refsource CONFIRM
- lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory