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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:NIntegrityNone
A:NAvailabilityNone
Weaknesses
Affected Products
gnu
oss-project·USaka g. nu
opensuse
oss-project·DE
and 1 more affected products View all →
Exploitability
Official Patch Available
References
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00056.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00057.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00058.html
lists.opensuse.org
and 11 more references View all →
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