CVE-2013-1442

Description

Xen 4.0 through 4.3.x, when using AVX or LWP capable CPUs, does not properly clear previous data from registers when using an XSAVE or XRSTOR to extend the state components of a saved or restored vCPU after touching other restored extended registers, which allows local guest OSes to obtain sensitive information by reading the registers.

Risk Information

Base Score

7.1

MODERATE

Vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

EPSS Score

Exploitation Probability

0.11

Associated Vulnerability

No records found

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234