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ALSA-2020:4676 — Moderate: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update

Affected: AlmaLinux:8: hivex, AlmaLinux:8: hivex-devel, AlmaLinux:8: libguestfs-winsupport, AlmaLinux:8: libiscsi, AlmaLinux:8: libiscsi-devel, AlmaLinux:8: libiscsi-utils, AlmaLinux:8: libnbd, AlmaLinux:8: libnbd-devel, AlmaLinux:8: libvirt, AlmaLinux:8: libvirt-admin and 61 more

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.

The following packages have been upgraded to a later upstream version: hivex (1.3.18), libguestfs (1.40.2), libguestfs-winsupport (8.2), libvirt (6.0.0), libvirt-dbus (1.3.0), libvirt-python (6.0.0), nbdkit (1.16.2), perl-Sys-Virt (6.0.0), qemu-kvm (4.2.0), seabios (1.13.0), SLOF (20191022). (BZ#1810193, BZ#1844296)

Security Fix(es):

* libvirt: leak of /dev/mapper/control into QEMU guests (CVE-2020-14339)

* QEMU: Slirp: use-after-free during packet reassembly (CVE-2019-15890)

* libvirt: Potential DoS by holding a monitor job while querying QEMU guest-agent (CVE-2019-20485)

* QEMU: slirp: use-after-free in ip_reass() function in ip_input.c (CVE-2020-1983)

* libvirt: Potential denial of service via active pool without target path (CVE-2020-10703)

* libvirt: leak of sensitive cookie information via dumpxml (CVE-2020-14301)

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.

bdu:2021-04130

Withdrawn: BELL-CVE-2020-10703 — CVE-2020-10703 does not affect BellSoft software

Withdrawn by the publisher.

certfr-2022-avi-267 — De multiples vulnérabilités ont été découvertes dans Juniper Networks Junos Space. Elles permettent à un attaquant de p…

certfr-2022-avi-267

cnvd-2020-35069

EUVD-2026-40009

fkie_cve-2020-10703

A NULL pointer dereference was found in the libvirt API responsible introduced in upstream version 3.10.0, and fixed in libvirt 6.0.0, for fetching a storage pool based on its target path. In more detail, this flaw affects storage pools created without a target path such as network-based pools like gluster and RBD. Unprivileged users with a read-only connection could abuse this flaw to crash the libvirt daemon, resulting in a potential denial of service.

GHSA-c69p-28r6-q952

gsd-2020-10703

RHSA-2020:4000 — Red Hat Security Advisory: libvirt security and bug fix update

libvirt: Potential DoS by holding a monitor job while querying QEMU guest-agent libvirt: Potential denial of service via active pool without target path

RHSA-2020:4676 — Red Hat Security Advisory: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update

QEMU: Slirp: use-after-free during packet reassembly libvirt: Potential DoS by holding a monitor job while querying QEMU guest-agent QEMU: slirp: use-after-free in ip_reass() function in ip_input.c libvirt: Potential denial of service via active pool without target path libvirt: leak of sensitive cookie information via dumpxml libvirt: leak of /dev/mapper/control into QEMU guests

SUSE-SU-2020:1208-1 — Security update for libvirt

Security update for libvirt

UBUNTU-CVE-2020-10703

Affected: Ubuntu:18.04:LTS: libvirt

WID-SEC-W-2024-0747 — libvirt: Schwachstelle ermöglicht Denial of Service

Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in libvirt ausnutzen, um einen Denial of Service Angriff durchzuführen.