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Alerts This Week
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RHEL 8: RHSA-2023-5264 Important: Remote DoS and Code Execution Issues

red hat
Calendar Grey September 19, 2023
Dist Redhat Esm H88
An important update has been released for the virt:rhel and virt-devel modules, addressing critical security vulnerabilities for RHEL 8.
An update for the virt:rhel and virt-devel:rhel modules is now available for Red Hat Enterprise Linux 8

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.
Bug Fix(es):
* "No bootable device" with OS boot disk interface VirtIO-SCSI and with more than 9 VirtIO disks. (BZ#2228485)

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow red hat important KVM virt

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 (v. 8):
Source: SLOF-20210217-1.module+el8.8.0+16781+9f4724c2.src.rpm hivex-1.3.18-23.module+el8.8.0+16781+9f4724c2.src.rpm libguestfs-1.44.0-9.module+el8.8.0+16781+9f4724c2.src.rpm libguestfs-winsupport-8.8-2.module+el8.8.0+19817+dd5e62f6.src.rpm libiscsi-1.18.0-8.module+el8.8.0+16781+9f4724c2.src.rpm libnbd-1.6.0-5.module+el8.8.0+16781+9f4724c2.src.rpm libtpms-0.9.1-2.20211126git1ff6fe1f43.module+el8.8.0+18453+1482ba89.src.rpm libvirt-8.0.0-19.2.module+el8.8.0+18944+7f5acf75.src.rpm libvirt-dbus-1.3.0-2.module+el8.8.0+16781+9f4724c2.src.rpm libvirt-python-8.0.0-2.module+el8.8.0+16781+9f4724c2.src.rpm nbdkit-1.24.0-5.module+el8.8.0+17308+05924798.src.rpm netcf-0.2.8-12.module+el8.8.0+16781+9f4724c2.src.rpm perl-Sys-Virt-8.0.0-1.module+el8.8.0+16781+9f4724c2.src.rpm qemu-kvm-6.2.0-33.module+el8.8.0+19768+98f68f21.src.rpm seabios-1.16.0-4.module+el8.8.0+19627+2d14cb21.src.rpm sgabios-0.20170427git-3.module+el8.8.0+16781+9f4724c2.src.rpm supermin-5.2.1-2.module+el8.8.0+16781+9f4724c2.src.rpm swtpm-0.7.0-4.20211109gitb79fd91.module+el8.8.0+16781+9f4724c2.src.rpm virt-v2v-1.42.0-22.module+el8.8.0+19067+b66cdac6.src.rpm
aarch64: hivex-1.3.18-23.module+el8.8.0+16781+9f4724c2.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:5264-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5264
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.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 denial of service buffer overflow red hat important KVM virt

Relevant Releases Architectures

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

Red Hat Enterprise Linux CRB (v. 8) - aarch64, 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

2228485 - "No bootable device" with OS boot disk interface VirtIO-SCSI and with more than 9 VirtIO disks. [rhel-8.8.0.z]

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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