| Revision Date: | 2021-11-09 | Version: | 636 | | Title: | RHSA-2021:4191: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update (Moderate) | | 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: net: e1000e: use-after-free while sending packets (CVE-2020-15859)
QEMU: slirp: invalid pointer initialization may lead to information disclosure (bootp) (CVE-2021-3592)
QEMU: slirp: invalid pointer initialization may lead to information disclosure (udp6) (CVE-2021-3593)
QEMU: slirp: invalid pointer initialization may lead to information disclosure (udp) (CVE-2021-3594)
QEMU: slirp: invalid pointer initialization may lead to information disclosure (tftp) (CVE-2021-3595)
libvirt: Insecure sVirt label generation (CVE-2021-3631)
libvirt: Improper locking on ACL failure in virStoragePoolLookupByTargetPath API (CVE-2021-3667)
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 8.5 Release Notes linked from the References section.
| | Family: | unix | Class: | patch | | Status: | | Reference(s): | CVE-2020-15859
CVE-2021-3592
CVE-2021-3593
CVE-2021-3594
CVE-2021-3595
CVE-2021-3631
CVE-2021-3667
RHSA-2021:4191
| | Platform(s): | Red Hat Enterprise Linux 8
| Product(s): | | | Definition Synopsis | | Red Hat Enterprise Linux must be installed OR Package Information
Red Hat Enterprise Linux 8 is installed
OR Red Hat CoreOS 4 is installed
AND
Module virt:rhel is enabled
Module virt-devel:rhel is enabled
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