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Affected Component
Analysis
gcc
Exploitable
Name
CVE-2019-15847
Description
The POWER9 backend in GNU Compiler Collection (GCC) before version 10 could optimize multiple calls of the __builtin_darn intrinsic into a single call, thus reducing the entropy of the random number generator. This occurred because a volatile operation was not specified. For example, within a single execution of a program, the output of every __builtin_darn() call may be the same.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481Issue Tracking
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481Issue Tracking
Analysis#
Vulnerability Ratings#
7.5
CVSSv31
5
CVSSv2