Vulnerability Details : CVE-2006-1056

The Linux kernel before 2.6.16.9 and the FreeBSD kernel, when running on AMD64 and other 7th and 8th generation AuthenticAMD processors, only save/restore the FOP, FIP, and FDP x87 registers in FXSAVE/FXRSTOR when an exception is pending, which allows one process to determine portions of the state of floating point instructions of other processes, which can be leveraged to obtain sensitive information such as cryptographic keys. 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.
Published 2006-04-20 10:02:00
Updated 2018-10-30 16:26:20
Source Red Hat, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2006-1056

Probability of exploitation activity in the next 30 days: 0.10%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 41 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2006-1056

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
2.1
LOW AV:L/AC:L/Au:N/C:P/I:N/A:N
3.9
2.9
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CWE ids for CVE-2006-1056

References for CVE-2006-1056

Products affected by CVE-2006-1056

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