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 AlmaLinux Release Notes linked from the References section.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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 AlmaLinux Release Notes linked from the References section.
05 / REFERENCES
Further evidence
- https://access.redhat.com/errata/RHSA-2022:7967
- https://access.redhat.com/security/cve/CVE-2021-3507
- https://access.redhat.com/security/cve/CVE-2021-3611
- https://access.redhat.com/security/cve/CVE-2021-3750
- https://access.redhat.com/security/cve/CVE-2021-4158
- https://bugzilla.redhat.com/1951118
- https://bugzilla.redhat.com/1973784
- https://bugzilla.redhat.com/1999073
- https://bugzilla.redhat.com/2035002
- https://errata.almalinux.org/9/ALSA-2022-7967.html