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Alerts This Week
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Red Hat 8.1 RHSA-2023-5239-01 Important: Remote DoS and Buffer Overflow

red hat
Calendar Grey September 19, 2023
Dist Redhat Esm H88
Significant advisory for virt:rhel and virt-devel components addresses vulnerabilities that may lead to remote denial-of-service and arbitrary code execution concerns on Red Hat platforms.
An update for the virt:rhel and virt-devel:rhel modules is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions

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

Kernel-based Virtual Machine (KVM) offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems.
Security Fix(es):
* QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote unauthenticated denial of service (CVE-2023-3354)
* NTFS-3G: buffer overflow issue in NTFS-3G can cause code execution via crafted metadata in an NTFS image (CVE-2022-40284)
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 security update buffer overflow remote DoS Red Hat Enterprise Linux important virt:rhel

References

https://access.redhat.com/security/cve/CVE-2022-40284 https://access.redhat.com/security/cve/CVE-2023-3354 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream E4S (v. 8.1):
Source: SLOF-20171214-6.gitfa98132.module+el8.1.0+4066+0f1aadab.src.rpm hivex-1.3.15-7.module+el8.1.0+4066+0f1aadab.src.rpm libguestfs-1.38.4-14.module+el8.1.0+4066+0f1aadab.src.rpm libguestfs-winsupport-8.1-1.module+el8.1.0+19834+dbdce824.src.rpm libiscsi-1.18.0-8.module+el8.1.0+4066+0f1aadab.src.rpm libvirt-4.5.0-35.3.module+el8.1.0+5931+8897e7e1.src.rpm libvirt-dbus-1.2.0-3.module+el8.1.0+4066+0f1aadab.src.rpm libvirt-python-4.5.0-2.module+el8.1.0+4066+0f1aadab.src.rpm nbdkit-1.4.2-5.module+el8.1.0+4066+0f1aadab.src.rpm netcf-0.2.8-12.module+el8.1.0+4066+0f1aadab.src.rpm perl-Sys-Virt-4.5.0-5.module+el8.1.0+4066+0f1aadab.src.rpm qemu-kvm-2.12.0-88.module+el8.1.0+19802+9e50ceca.6.src.rpm seabios-1.11.1-4.module+el8.1.0+4066+0f1aadab.src.rpm sgabios-0.20170427git-3.module+el8.1.0+4066+0f1aadab.src.rpm supermin-5.1.19-9.module+el8.1.0+4066+0f1aadab.src.rpm
aarch64: hivex-1.3.15-7.module+el8.1.0+4066+0f1aadab.aarch64.rpm hivex-debuginfo-1.3.15-7.module+el8.1.0+4066+0f1aadab.aarch64.rpm hivex-debugsource-1.3.15-7.module+el8.1.0+4066+0f1aadab.aarch64.rpm hivex-devel-1.3.15-7.module+el8.1.0+4066+0f1aadab.aarch64.rpm libguestfs-1.38.4-14.module+el8.1.0+4066+0f1aadab.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:5239-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5239
Issue date: 2023-09-19

Topic

An update for the virt:rhel and virt-devel:rhel modules is now availablefor Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update buffer overflow remote DoS Red Hat Enterprise Linux important virt:rhel

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream E4S (v. 8.1) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2216478 - CVE-2023-3354 QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote unauthenticated denial of service

2236130 - CVE-2022-40284 NTFS-3G: buffer overflow issue in NTFS-3G can cause code execution via crafted metadata in an NTFS image

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