QID 240913

Date Published: 2022-11-16

QID 240913: Red Hat Update for qemu-kvm security (RHSA-2022:7967)

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...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).
Affected Products:
    Red Hat enterprise linux for x86_64 9 x86_64.
    Red hat enterprise linux for ibm z systems 9 s390x.
    Red hat enterprise linux for power, little endian 9 ppc64le.
    Red hat enterprise linux for arm 64 9 aarch64.
.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as Critical - 8.2 severity.
  • CVSS V2 rated as Medium - 4.6 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2022:7967 for updates and patch information.
    Vendor References

    CVEs related to QID 240913

    CVE-2021-3507 | CVE-2021-3611 | CVE-2021-3750 | CVE-2021-4158 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2022:7967 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2022:7967
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