VDB

CVE-2017-11671

CVE-2017-11671 PUBLISHED

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.

EPSS 0.08% · 23.9th percentile

Risk Scores

EPSS Score
0.08%
23.9th percentile

Affected Products

VendorProductVersions
Ubuntu:18.04:LTSgcc-3.3*, 1:3.3.6ds1-28ubuntu1, 0
Ubuntu:24.04:LTSgcc-mingw-w6426.1, 25.3, 0
Ubuntu:16.04:LTSgcc-4.8-ppc64el-cross0.8, 0.9, 0
Ubuntu:22.04:LTSgcc-mingw-w6424.2, 24.3, 0
Ubuntu:16.04:LTSgcc-avr0, *, 1:4.8.1+Atmel3.4.5-1
Ubuntu:16.04:LTSgcc-4.7-armhf-cross0, 1.86, 3
Ubuntu:18.04:LTSgcc-mingw-w640, 20, 20.1
Ubuntu:16.04:LTSgcc-msp4304.6.3~mspgcc-20120406-7ubuntu3, 0
Ubuntu:16.04:LTSgcc-arm-linux-androideabi0, 0.20130705.1-0ubuntu9, 0.20130705.1-0ubuntu8
Ubuntu:14.04:LTSgcc-3.31:3.3.6ds1-25ubuntu4, 0
Ubuntu:16.04:LTSgcc-4.74.7.4-3ubuntu7, 0, 4.7.4-3ubuntu9
Ubuntu:16.04:LTSgcc-4.8-armhf-cross2, 0.16, 0
Ubuntu:20.04:LTSgcc-mingw-w6422~exp1ubuntu2, 0, 22~exp1ubuntu3
Ubuntu:25.10gcc-arm-none-eabi15:14.2.rel1-1, 0
Ubuntu:25.10gcc-mingw-w6426.1, 0
Ubuntu:22.04:LTSgcc-h8300-hms1:3.4.6+dfsg2-4.1, 0, 1:3.4.6+dfsg2-4.2
Ubuntu:20.04:LTSgcc-m68hc1x0, 1:3.3.6+3.1+dfsg-3.1ubuntu1
Ubuntu:24.04:LTSgcc-h8300-hms*, 0
Ubuntu:22.04:LTSgcc-avr1:5.4.0+Atmel3.6.2-1, 1:5.4.0+Atmel3.6.2-3, 0
Ubuntu:16.04:LTSgcc-snapshot20160320-1ubuntu1, 20160415-0ubuntu1, 20160125-1ubuntu1

…and 38 more

Timeline

  • Jul 26, 2017 CVE Published
  • Apr 14, 2021 EPSS Score
  • Jun 23, 2021 EPSS Score
  • Aug 24, 2021 EPSS Score
  • Oct 26, 2021 EPSS Score
  • Dec 27, 2021 EPSS Score
  • Feb 28, 2022 EPSS Score
  • May 2, 2022 EPSS Score
  • Jul 3, 2022 EPSS Score
  • Sep 5, 2022 EPSS Score
  • Nov 6, 2022 EPSS Score
  • Jan 8, 2023 EPSS Score
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