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CVE-2017-11671

Status Candidate

Overview

Under certain circumstances, the ix86_expand_builtin function in i386.c in GNU Compiler Collection (GCC) version 4.6, 4.7, 4.8, 4.9, 5 before 5.5, and 6 before 6.4 will generate instruction sequences that clobber the status flag of the RDRAND and RDSEED intrinsics before it can be read, potentially causing failures of these instructions to go unreported. This could potentially lead to less randomness in random number generation.

Related Files

Ubuntu Security Notice USN-5770-1
Posted Dec 8, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5770-1 - Todd Eisenberger discovered that certain versions of GNU Compiler Collection could be made to clobber the status flag of RDRAND and RDSEED with specially crafted input. This could potentially lead to less randomness in random number generation.

tags | advisory
systems | linux, ubuntu
advisories | CVE-2017-11671
SHA-256 | 1cf8b3db9a2cd806e427c0aab893a7524b199a4c9e7c525ec9f670286a54f511
Red Hat Security Advisory 2018-0849-01
Posted Apr 11, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0849-01 - The gcc packages provide compilers for C, C++, Java, Fortran, Objective C, and Ada 95 GNU, as well as related support libraries. Issues addressed include an incorrect code generation issue.

tags | advisory, java
systems | linux, redhat
advisories | CVE-2017-11671
SHA-256 | 7517be69fa7b2823874462d6af0819dc259027de86dd8c4a7cb5d197f18fd907
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