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Security Advisories

CVE-2019-15847

NVD

https://nvd.nist.gov/vuln/detail/CVE-2019-15847

Severity

7.5

High

CVSS V3

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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.

References

Affected packages


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