DEBIAN-CVE-2016-6259

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2016-6259
Published: 02 Aug 2016, 16:59
Last modified:28 Apr 2026, 20:15

Vulnerability Summary

Overall Risk (default)
medium
25/100
CVSS Score
6.2 MEDIUM
3.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

02 Aug 2016, 16:59
Published
Vulnerability first disclosed
28 Apr 2026, 20:15
Last Modified
Vulnerability information updated

Description

Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service (hypervisor and VM crash) by triggering a safety check.

CVSS Metrics

  • v3.0•MEDIUM•Score: 6.2CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • debian•xen

    < 4.8.0~rc3-1 | < 4.8.0~rc3-1 | < 4.8.0~rc3-1 | < 4.8.0~rc3-1

References (1)