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Red Hat Enterprise Linux 9 RHSA-2023:0957-01 Moderate: Lua Security Fix

red hat
Calendar Grey February 28, 2023
Scroller Redhat
Red Hat has issued a lua patch for RHEL 9, tackling several moderate security vulnerabilities such as buffer overrun and unbounded resource usage.
An update for lua is now available for Red Hat Enterprise Linux 9

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 allows Sandbox Escape (CVE-2021-44964)
* lua: stack overflow in lua_resume of ldo.c allows a DoS via a crafted script file (CVE-2021-43519)
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.

Topics%20covered

Topics Covered

security advisory moderate software update DoS Red Hat Enterprise Linux sandbox escape lua

References

https://access.redhat.com/security/cve/CVE-2021-43519 https://access.redhat.com/security/cve/CVE-2021-44964 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux AppStream (v. 9):
aarch64: lua-5.4.4-2.el9_1.aarch64.rpm lua-debuginfo-5.4.4-2.el9_1.aarch64.rpm lua-debugsource-5.4.4-2.el9_1.aarch64.rpm lua-libs-debuginfo-5.4.4-2.el9_1.aarch64.rpm
ppc64le: lua-5.4.4-2.el9_1.ppc64le.rpm lua-debuginfo-5.4.4-2.el9_1.ppc64le.rpm lua-debugsource-5.4.4-2.el9_1.ppc64le.rpm lua-libs-debuginfo-5.4.4-2.el9_1.ppc64le.rpm
s390x: lua-5.4.4-2.el9_1.s390x.rpm lua-debuginfo-5.4.4-2.el9_1.s390x.rpm lua-debugsource-5.4.4-2.el9_1.s390x.rpm lua-libs-debuginfo-5.4.4-2.el9_1.s390x.rpm
x86_64: lua-5.4.4-2.el9_1.x86_64.rpm lua-debuginfo-5.4.4-2.el9_1.x86_64.rpm lua-debugsource-5.4.4-2.el9_1.x86_64.rpm lua-libs-debuginfo-5.4.4-2.el9_1.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 9):
Source: lua-5.4.4-2.el9_1.src.rpm
aarch64: lua-debuginfo-5.4.4-2.el9_1.aarch64.rpm lua-debugsource-5.4.4-2.el9_1.aarch64.rpm lua-libs-5.4.4-2.el9_1.aarch64.rpm lua-libs-debuginfo-5.4.4-2.el9_1.aarch64.rpm
ppc64le: lua-debuginfo-5.4.4-2.el9_1.ppc64le.rpm lua-debugsource-5.4.4-2.el9_1.ppc64le.rpm lua-libs-5.4.4-2.el9_1.ppc64le.rpm lua-libs-debuginfo-5.4.4-2.el9_1.ppc64le.rpm
s390x: lua-debuginfo-5.4.4-2.el9_1.s390x.rpm lua-debugsource-5.4.4-2.el9_1.s390x.rpm lua-libs-5.4.4-2.el9_1.s390x.rpm lua-libs-debuginfo-5.4.4-2.el9_1.s390x.rpm
x86_64:

Read the Full Advisory


Advisory ID: RHSA-2023:0957-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0957
Issue date: 2023-02-28

Topic

An update for lua is now available for Red Hat Enterprise Linux 9.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 software update DoS Red Hat Enterprise Linux sandbox escape lua

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 9) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream (v. 9) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS (v. 9) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2047672 - CVE-2021-43519 lua: stack overflow in lua_resume of ldo.c allows a DoS via a crafted script file

2064772 - CVE-2021-44964 lua: use after free allows Sandbox Escape

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