Unrated severityNVD Advisory· Published Sep 2, 2019· Updated Aug 5, 2024
CVE-2019-15847
CVE-2019-15847
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.
Affected products
54- GNU/GNU Compiler Collectiondescription
- osv-coords53 versionspkg:apk/chainguard/gcc-6pkg:apk/chainguard/gcc-6-docpkg:apk/chainguard/gcj-6pkg:apk/chainguard/libgcj-6pkg:apk/chainguard/libstdc%2B%2B-6pkg:apk/chainguard/libstdc%2B%2B-6-devpkg:apk/chainguard/libstdc++-6pkg:apk/chainguard/libstdc++-6-devpkg:apk/wolfi/gcc-6pkg:apk/wolfi/gcc-6-docpkg:apk/wolfi/gcj-6pkg:apk/wolfi/libgcj-6pkg:apk/wolfi/libstdc%2B%2B-6pkg:apk/wolfi/libstdc%2B%2B-6-devpkg:apk/wolfi/libstdc++-6pkg:apk/wolfi/libstdc++-6-devpkg:rpm/opensuse/cross-nvptx-gcc9&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/gcc7&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/gcc7&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/gcc7&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/gcc9&distro=openSUSE%20Leap%2015.1pkg:rpm/suse/cross-nvptx-gcc7&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015pkg:rpm/suse/cross-nvptx-gcc7&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1pkg:rpm/suse/cross-nvptx-gcc7&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Toolchain%2012pkg:rpm/suse/gcc7&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/gcc7&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/gcc7&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015pkg:rpm/suse/gcc7&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1pkg:rpm/suse/gcc7&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Toolchain%2012pkg:rpm/suse/gcc7&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/gcc7&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/gcc9&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/gcc9&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/gcc9&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/gcc9&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/gcc9&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015pkg:rpm/suse/gcc9&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1pkg:rpm/suse/gcc9&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Toolchain%2012pkg:rpm/suse/gcc9&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/gcc9&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/gcc9&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/gcc9&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/gcc9&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/gcc9&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/gcc9&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/gcc9&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/gcc9&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/gcc9&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/gcc9&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/gcc9&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/gcc9&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/gcc9&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/gcc9&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208
< 0+ 52 more
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- (no CPE)range: < 0
- (no CPE)range: < 9.3.1+git1296-lp151.2.1
- (no CPE)range: < 7.4.1+r275405-lp150.12.1
- (no CPE)range: < 7.4.1+r275405-lp151.2.6.1
- (no CPE)range: < 7.5.0+r278197-10.1
- (no CPE)range: < 9.3.1+git1296-lp151.2.2
- (no CPE)range: < 7.4.1+r275405-4.9.2
- (no CPE)range: < 7.4.1+r275405-4.9.2
- (no CPE)range: < 7.5.0+r278197-13.1
- (no CPE)range: < 7.4.1+r275405-4.9.2
- (no CPE)range: < 7.4.1+r275405-4.9.2
- (no CPE)range: < 7.4.1+r275405-4.9.2
- (no CPE)range: < 7.4.1+r275405-4.9.2
- (no CPE)range: < 7.5.0+r278197-13.1
- (no CPE)range: < 7.5.0+r278197-13.1
- (no CPE)range: < 7.5.0+r278197-13.1
- (no CPE)range: < 9.2.1+r275327-1.3.9
- (no CPE)range: < 9.2.1+r275327-1.3.9
- (no CPE)range: < 9.2.1+r275327-1.3.7
- (no CPE)range: < 9.2.1+r275327-1.3.7
- (no CPE)range: < 9.2.1+r275327-1.3.7
- (no CPE)range: < 9.2.1+r275327-1.3.7
- (no CPE)range: < 9.2.1+r275327-1.3.9
- (no CPE)range: < 9.2.1+r275327-1.3.9
- (no CPE)range: < 9.2.1+r275327-1.3.9
- (no CPE)range: < 9.2.1+r275327-1.3.9
- (no CPE)range: < 9.2.1+r275327-1.3.9
- (no CPE)range: < 9.2.1+r275327-1.3.9
- (no CPE)range: < 9.2.1+r275327-1.3.9
- (no CPE)range: < 9.2.1+r275327-1.3.9
- (no CPE)range: < 9.2.1+r275327-1.3.9
- (no CPE)range: < 9.2.1+r275327-1.3.9
- (no CPE)range: < 9.2.1+r275327-1.3.9
- (no CPE)range: < 9.2.1+r275327-1.3.9
- (no CPE)range: < 9.2.1+r275327-1.3.9
- (no CPE)range: < 9.2.1+r275327-1.3.9
- (no CPE)range: < 9.2.1+r275327-1.3.9
- (no CPE)range: < 9.2.1+r275327-1.3.9
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- lists.opensuse.org/opensuse-security-announce/2019-10/msg00056.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.opensuse.org/opensuse-security-announce/2019-10/msg00057.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.opensuse.org/opensuse-security-announce/2020-05/msg00058.htmlmitrevendor-advisoryx_refsource_SUSE
- gcc.gnu.org/bugzilla/show_bug.cgimitrex_refsource_MISC
News mentions
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