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Red Hat Enterprise Linux 8: RHSA-2019-3706-01 Moderate: Lua Security Update

red hat
Calendar Grey November 5, 2019
Dist Redhat Esm H88
Cautionary notice issued regarding a lua upgrade on Red Hat Enterprise Linux 8, mitigating potential denial of service risks.
An update for lua is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate

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 lua packages provide support for Lua, a powerful light-weight programming language designed for extending applications. Lua is also frequently used as a general-purpose, stand-alone language.
Security Fix(es):
* lua: use-after-free in lua_upvaluejoin in lapi.c resulting in denial of service (CVE-2019-6706)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.1 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate denial of service software update bug fix Red Hat Enterprise Linux lua

References

https://access.redhat.com/security/cve/CVE-2019-6706 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_release_notes/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
aarch64: lua-5.3.4-11.el8.aarch64.rpm lua-debuginfo-5.3.4-11.el8.aarch64.rpm lua-debugsource-5.3.4-11.el8.aarch64.rpm lua-libs-debuginfo-5.3.4-11.el8.aarch64.rpm
ppc64le: lua-5.3.4-11.el8.ppc64le.rpm lua-debuginfo-5.3.4-11.el8.ppc64le.rpm lua-debugsource-5.3.4-11.el8.ppc64le.rpm lua-libs-debuginfo-5.3.4-11.el8.ppc64le.rpm
s390x: lua-5.3.4-11.el8.s390x.rpm lua-debuginfo-5.3.4-11.el8.s390x.rpm lua-debugsource-5.3.4-11.el8.s390x.rpm lua-libs-debuginfo-5.3.4-11.el8.s390x.rpm
x86_64: lua-5.3.4-11.el8.x86_64.rpm lua-debuginfo-5.3.4-11.el8.x86_64.rpm lua-debugsource-5.3.4-11.el8.x86_64.rpm lua-libs-debuginfo-5.3.4-11.el8.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 8):
Source: lua-5.3.4-11.el8.src.rpm
aarch64: lua-debuginfo-5.3.4-11.el8.aarch64.rpm lua-debugsource-5.3.4-11.el8.aarch64.rpm lua-libs-5.3.4-11.el8.aarch64.rpm lua-libs-debuginfo-5.3.4-11.el8.aarch64.rpm
ppc64le: lua-debuginfo-5.3.4-11.el8.ppc64le.rpm lua-debugsource-5.3.4-11.el8.ppc64le.rpm lua-libs-5.3.4-11.el8.ppc64le.rpm lua-libs-debuginfo-5.3.4-11.el8.ppc64le.rpm
s390x: lua-debuginfo-5.3.4-11.el8.s390x.rpm lua-debugsource-5.3.4-11.el8.s390x.rpm lua-libs-5.3.4-11.el8.s390x.rpm

Read the Full Advisory


Advisory ID: RHSA-2019:3706-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3706
Issue date: 2019-11-05

Topic

An update for lua is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate denial of service software update bug fix Red Hat Enterprise Linux lua

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1670019 - CVE-2019-6706 lua: use-after-free in lua_upvaluejoin in lapi.c resulting in denial of service

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