Security Vulnerabilities fixed in seabios RHSA-2021:4191

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) 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. SolutionFor details on how to apply this update, which includes the changes described in this advisory, refer to:https://access.redhat.com/articles/11258

Affected Applications

seabios

CVE References

CVE-2020-15859 CVE-2021-3667 CVE-2021-3595 CVE-2021-3594 CVE-2021-3593 CVE-2021-3592 CVE-2021-3631

Other References

https://access.redhat.com/errata/RHSA-2021:4191