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Red Hat: RHSA-2020-2274 Moderate: Devtoolset-9-GCC Bug Fix

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Calendar Grey May 26, 2020
Scroller Redhat
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An update for devtoolset-9-gcc is now available for Red Hat Software Collections

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

The GNU Compiler Collection (GCC) is a portable compiler suite with support for various programming languages, including C, C++, and Fortran. The devtoolset-9-gcc packages provide the Red Hat Developer Toolset version of GCC, as well as related libraries.
The following packages have been upgraded to a later upstream version: devtoolset-9-gcc (9.3.1).
Security Fix(es):
* gcc: POWER9 "DARN" RNG intrinsic produces repeated output (CVE-2019-15847)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
* Compiler vectorizes the loop incorrectly when the loop is inlined (BZ#1769410)
* Update gcc for DTS 9.1 RHEL 7 (BZ#1783475)
* g++ rejects a valid code (BZ#1802608)
* Update gcc for DTS 9.1 from upstream GCC 9.3 (BZ#1812147)
Additional Changes:
For detailed changes in this release, see the Red Hat Developer Toolset 9.1 User Guide linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate red hat gcc compiler bug fix update devtoolset

References

https://access.redhat.com/security/cve/CVE-2019-15847 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_developer_toolset/9/html/user_guide/appe-changes_in_version_9.1

Package List

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):
Source: devtoolset-9-gcc-9.3.1-2.el7.src.rpm
aarch64: devtoolset-9-gcc-9.3.1-2.el7.aarch64.rpm devtoolset-9-gcc-c++-9.3.1-2.el7.aarch64.rpm devtoolset-9-gcc-debuginfo-9.3.1-2.el7.aarch64.rpm devtoolset-9-gcc-gdb-plugin-9.3.1-2.el7.aarch64.rpm devtoolset-9-gcc-gfortran-9.3.1-2.el7.aarch64.rpm devtoolset-9-gcc-plugin-devel-9.3.1-2.el7.aarch64.rpm devtoolset-9-libasan-devel-9.3.1-2.el7.aarch64.rpm devtoolset-9-libatomic-devel-9.3.1-2.el7.aarch64.rpm devtoolset-9-libgccjit-9.3.1-2.el7.aarch64.rpm devtoolset-9-libgccjit-devel-9.3.1-2.el7.aarch64.rpm devtoolset-9-libgccjit-docs-9.3.1-2.el7.aarch64.rpm devtoolset-9-libitm-devel-9.3.1-2.el7.aarch64.rpm devtoolset-9-liblsan-devel-9.3.1-2.el7.aarch64.rpm devtoolset-9-libstdc++-devel-9.3.1-2.el7.aarch64.rpm devtoolset-9-libstdc++-docs-9.3.1-2.el7.aarch64.rpm devtoolset-9-libtsan-devel-9.3.1-2.el7.aarch64.rpm devtoolset-9-libubsan-devel-9.3.1-2.el7.aarch64.rpm libasan5-9.3.1-2.el7.aarch64.rpm liblsan-9.3.1-2.el7.aarch64.rpm libtsan-9.3.1-2.el7.aarch64.rpm libubsan1-9.3.1-2.el7.aarch64.rpm
ppc64le: devtoolset-9-gcc-9.3.1-2.el7.ppc64le.rpm devtoolset-9-gcc-c++-9.3.1-2.el7.ppc64le.rpm devtoolset-9-gcc-debuginfo-9.3.1-2.el7.ppc64le.rpm

Read the Full Advisory


Advisory ID: RHSA-2020:2274-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2274
Issue date: 2020-05-26

Topic

An update for devtoolset-9-gcc is now available for Red Hat SoftwareCollections.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate red hat gcc compiler bug fix update devtoolset

Relevant Releases Architectures

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) - ppc64, ppc64le, s390x, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) - ppc64, ppc64le, s390x, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Bugs Fixed

1755523 - CVE-2019-15847 gcc: POWER9 "DARN" RNG intrinsic produces repeated output

1769410 - Compiler vectorizes the loop incorrectly when the loop is inlined

1783475 - Update gcc for DTS 9.1 RHEL 7

1802608 - g++ rejects a valid code

1812147 - Update gcc for DTS 9.1 from upstream GCC 9.3

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