CVE-2016-2270: debian debian_linux Improper Input Validation
CVSS: 6.8v3.0MediumModified
AliasesUBUNTU-CVE-2016-2270DEBIAN-CVE-2016-2270
Published 19-02-2016Last modified 05-08-2024
Vulnerability summary
CVE-2016-2270 is a medium (CVSS 6.8) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 1.48% chance of exploitation in the next 30 days, higher than 73.5% of scored vulnerabilities.
CVSS score
6.8/10
010
Medium · v3.0 (NVD)EPSS score
1.48%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 9 · Related 6Timeline
- 19-02-2016PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Xen 4.6.x and earlier allows local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.8MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.8MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Medium 4.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:S/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
1.48%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
0.00 pp
From 1.48% on 20-09-2026
20-09-202620-10-2026
EPSS score1.48%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- xen< 4.8.0~rc3-1
- debian_linuxEOL7.0 | 8.0
Fedoraproject1 product
- fedoraEOL22 | 23
Oracle1 product
- vm_server3.4
Ubuntu1 product
- xen< 4.4.2-0ubuntu0.14.04.5
Xen1 product
- xen≤ 4.6.1
5 vendors · 6 products
References
10 links- www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlX Refsource CONFIRMVendor Advisory
- lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory
- lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory