DEBIAN-CVE-2013-2076

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2013-2076
Downstream
DSA-3006-1
Published: 28 Aug 2013, 21:55
Last modified:28 Apr 2026, 20:12

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

28 Aug 2013, 21:55
Published
Vulnerability first disclosed
28 Apr 2026, 20:12
Last Modified
Vulnerability information updated

Description

Xen 4.0.x, 4.1.x, and 4.2.x, when running on AMD64 processors, only save/restore the FOP, FIP, and FDP x87 registers in FXSAVE/FXRSTOR when an exception is pending, which allows one domain to determine portions of the state of floating point instructions of other domains, which can be leveraged to obtain sensitive information such as cryptographic keys, a similar vulnerability to CVE-2006-1056. NOTE: this is the documented behavior of AMD64 processors, but it is inconsistent with Intel processors in a security-relevant fashion that was not addressed by the kernels.

Affected Systems

  • debian•xen

    < 4.2.2-1 | < 4.2.2-1 | < 4.2.2-1 | < 4.2.2-1

References (1)