RHSA-2022:7967 — Security Advisory

An update for qemu-kvm is now available for Red Hat Enterprise Linux 9.

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.

Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.

The following packages have been upgraded to a later upstream version: qemu-kvm (7.0.0). (BZ#2064757)

Security Fix(es):

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

• QEMU: fdc: heap buffer overflow in DMA read data transfers (CVE-2021-3507)

• QEMU: intel-hda: segmentation fault due to stack overflow (CVE-2021-3611)

• QEMU: NULL pointer dereference in pci_write() in hw/acpi/pcihp.c (CVE-2021-4158)

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 9.1 Release Notes linked from the References section.