A lz4 security update has been released for Red Hat Enterprise Linux 8.
RHSA-2021:2575-01: Moderate: lz4 security update
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Red Hat Security Advisory
Synopsis: Moderate: lz4 security update
Advisory ID: RHSA-2021:2575-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2575
Issue date: 2021-06-29
CVE Names: CVE-2021-3520
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1. Summary:
An update for lz4 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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64
3. Description:
The lz4 packages provide support for LZ4, a very fast, lossless compression
algorithm that provides compression speeds of 400 MB/s per core and scales
with multicore CPUs. It also features an extremely fast decoder that
reaches speeds of multiple GB/s per core and typically reaches RAM speed
limits on multicore systems.
Security Fix(es):
* lz4: memory corruption due to an integer overflow bug caused by memmove
argument (CVE-2021-3520)
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.
4. 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
5. Bugs fixed ( https://bugzilla.redhat.com/):
1954559 - CVE-2021-3520 lz4: memory corruption due to an integer overflow bug caused by memmove argument
6. Package List:
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
lz4-1.8.3-3.el8_4.src.rpm
aarch64:
lz4-1.8.3-3.el8_4.aarch64.rpm
lz4-debuginfo-1.8.3-3.el8_4.aarch64.rpm
lz4-debugsource-1.8.3-3.el8_4.aarch64.rpm
lz4-devel-1.8.3-3.el8_4.aarch64.rpm
lz4-libs-1.8.3-3.el8_4.aarch64.rpm
lz4-libs-debuginfo-1.8.3-3.el8_4.aarch64.rpm
ppc64le:
lz4-1.8.3-3.el8_4.ppc64le.rpm
lz4-debuginfo-1.8.3-3.el8_4.ppc64le.rpm
lz4-debugsource-1.8.3-3.el8_4.ppc64le.rpm
lz4-devel-1.8.3-3.el8_4.ppc64le.rpm
lz4-libs-1.8.3-3.el8_4.ppc64le.rpm
lz4-libs-debuginfo-1.8.3-3.el8_4.ppc64le.rpm
s390x:
lz4-1.8.3-3.el8_4.s390x.rpm
lz4-debuginfo-1.8.3-3.el8_4.s390x.rpm
lz4-debugsource-1.8.3-3.el8_4.s390x.rpm
lz4-devel-1.8.3-3.el8_4.s390x.rpm
lz4-libs-1.8.3-3.el8_4.s390x.rpm
lz4-libs-debuginfo-1.8.3-3.el8_4.s390x.rpm
x86_64:
lz4-1.8.3-3.el8_4.x86_64.rpm
lz4-debuginfo-1.8.3-3.el8_4.i686.rpm
lz4-debuginfo-1.8.3-3.el8_4.x86_64.rpm
lz4-debugsource-1.8.3-3.el8_4.i686.rpm
lz4-debugsource-1.8.3-3.el8_4.x86_64.rpm
lz4-devel-1.8.3-3.el8_4.i686.rpm
lz4-devel-1.8.3-3.el8_4.x86_64.rpm
lz4-libs-1.8.3-3.el8_4.i686.rpm
lz4-libs-1.8.3-3.el8_4.x86_64.rpm
lz4-libs-debuginfo-1.8.3-3.el8_4.i686.rpm
lz4-libs-debuginfo-1.8.3-3.el8_4.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2021-3520
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
