(RHSA-2022:7967) Moderate: qemu-kvm security, bug fix, and enhancement update

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.