The following data is constructed from data provided by Red Hat's json file at:

https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_6980.json

Red Hat officially shut down their mailing list notifications October 10, 2023.  Due to this, Packet Storm has recreated the below data as a reference point to raise awareness.  It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.

- Packet Storm Staff




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Red Hat Security Advisory

Synopsis:           Moderate: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update
Advisory ID:        RHSA-2023:6980-01
Product:            Red Hat Enterprise Linux
Advisory URL:       https://access.redhat.com/errata/RHSA-2023:6980
Issue date:         2023-11-14
Revision:           01
CVE Names:          CVE-2021-3750
====================================================================

Summary: 

An update for the virt:rhel and virt-devel:rhel modules 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.




Description:

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: hcd-ehci: DMA reentrancy issue leads to use-after-free (CVE-2021-3750)

* QEMU: net: triggerable assertion due to race condition in hot-unplug (CVE-2023-3301)

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 8.9 Release Notes linked from the References section.


Solution:

https://access.redhat.com/articles/11258



CVEs:

CVE-2021-3750

References:

https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.9_release_notes/index
https://bugzilla.redhat.com/show_bug.cgi?id=1999073
https://bugzilla.redhat.com/show_bug.cgi?id=2141964
https://bugzilla.redhat.com/show_bug.cgi?id=2143160
https://bugzilla.redhat.com/show_bug.cgi?id=2170472
https://bugzilla.redhat.com/show_bug.cgi?id=2174447
https://bugzilla.redhat.com/show_bug.cgi?id=2176896
https://bugzilla.redhat.com/show_bug.cgi?id=2177701
https://bugzilla.redhat.com/show_bug.cgi?id=2177957
https://bugzilla.redhat.com/show_bug.cgi?id=2196880
https://bugzilla.redhat.com/show_bug.cgi?id=2215784
https://bugzilla.redhat.com/show_bug.cgi?id=2216203
https://bugzilla.redhat.com/show_bug.cgi?id=2223464
https://bugzilla.redhat.com/show_bug.cgi?id=2223947
https://bugzilla.redhat.com/show_bug.cgi?id=2227373