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redhatRedHatRHSA-2021:4191
HistoryNov 09, 2021 - 8:35 a.m.

(RHSA-2021:4191) Moderate: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update

2021-11-0908:35:34
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30

0.002 Low

EPSS

Percentile

61.1%

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.

OSVersionArchitecturePackageVersionFilename
RedHatanyaarch64libvirt-daemon-driver-interface< 6.0.0-37.module+el8.5.0+12162+40884dd2libvirt-daemon-driver-interface-6.0.0-37.module+el8.5.0+12162+40884dd2.aarch64.rpm
RedHatanyi686nbdfuse-debuginfo< 1.2.2-1.module+el8.3.0+7353+9de0a3ccnbdfuse-debuginfo-1.2.2-1.module+el8.3.0+7353+9de0a3cc.i686.rpm
RedHatanys390xlibnbd-debugsource< 1.2.2-1.module+el8.3.0+7353+9de0a3cclibnbd-debugsource-1.2.2-1.module+el8.3.0+7353+9de0a3cc.s390x.rpm
RedHatanys390xlibvirt-daemon-driver-nwfilter< 6.0.0-37.module+el8.5.0+12162+40884dd2libvirt-daemon-driver-nwfilter-6.0.0-37.module+el8.5.0+12162+40884dd2.s390x.rpm
RedHatanys390xnbdkit-linuxdisk-plugin< 1.16.2-4.module+el8.3.0+6922+fd575af8nbdkit-linuxdisk-plugin-1.16.2-4.module+el8.3.0+6922+fd575af8.s390x.rpm
RedHatanyx86_64qemu-kvm-block-rbd-debuginfo< 4.2.0-59.module+el8.5.0+12817+cb650d43qemu-kvm-block-rbd-debuginfo-4.2.0-59.module+el8.5.0+12817+cb650d43.x86_64.rpm
RedHatanyppc64lesupermin-devel< 5.1.19-10.module+el8.3.0+6423+e4cb6418supermin-devel-5.1.19-10.module+el8.3.0+6423+e4cb6418.ppc64le.rpm
RedHatanyppc64leocaml-libnbd-devel< 1.2.2-1.module+el8.3.0+7353+9de0a3ccocaml-libnbd-devel-1.2.2-1.module+el8.3.0+7353+9de0a3cc.ppc64le.rpm
RedHatanys390xnbdkit-example-plugins-debuginfo< 1.16.2-4.module+el8.3.0+6922+fd575af8nbdkit-example-plugins-debuginfo-1.16.2-4.module+el8.3.0+6922+fd575af8.s390x.rpm
RedHatanys390xnetcf-libs< 0.2.8-12.module+el8.1.0+4066+0f1aadabnetcf-libs-0.2.8-12.module+el8.1.0+4066+0f1aadab.s390x.rpm
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