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gcc: GCC generates incorrect code for RDRAND/RDSEED intrinsics

🗓️ 10 Apr 2018 09:19:56Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

GNU Compiler Collection may misgenerate RDRAND/RDSEED code, clobbering status flags and unreported failures.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7aarch64cpp0:4.8.5-28.el7cpp-0:4.8.5-28.el7.aarch64.rpm
Red Hat Enterprise Linux7ppc64cpp0:4.8.5-28.el7cpp-0:4.8.5-28.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64lecpp0:4.8.5-28.el7cpp-0:4.8.5-28.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xcpp0:4.8.5-28.el7cpp-0:4.8.5-28.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64cpp0:4.8.5-28.el7cpp-0:4.8.5-28.el7.x86_64.rpm
Red Hat Enterprise Linux7aarch64gcc0:4.8.5-28.el7gcc-0:4.8.5-28.el7.aarch64.rpm
Red Hat Enterprise Linux7ppc64gcc0:4.8.5-28.el7gcc-0:4.8.5-28.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64legcc0:4.8.5-28.el7gcc-0:4.8.5-28.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xgcc0:4.8.5-28.el7gcc-0:4.8.5-28.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64gcc0:4.8.5-28.el7gcc-0:4.8.5-28.el7.x86_64.rpm
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25 Jun 2026 10:51Current
7.3High risk
Vulners AI Score7.3
CVSS 22.1
CVSS 34
EPSS0.00442
3