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AlmaLinux 8 : virt:rhel and virt-devel:rhel (ALSA-2021:1762)

medium Nessus Plugin ID 157696

Synopsis

The remote AlmaLinux host is missing one or more security updates.

Description

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2021:1762 advisory.

 * libvirt: double free in qemuAgentGetInterfaces() in qemu_agent.c (CVE-2020-25637)

 * QEMU: heap buffer overflow in msix_table_mmio_write() in hw/pci/msix.c (CVE-2020-27821)

 * QEMU: ide: atapi: OOB access while processing read commands (CVE-2020-29443)

 * QEMU: heap buffer overflow in iscsi_aio_ioctl_cb() in block/iscsi.c may lead to information disclosure (CVE-2020-11947)

 * QEMU: reachable assertion failure in net_tx_pkt_add_raw_fragment() in hw/net/net_tx_pkt.c (CVE-2020-16092)

 * QEMU: infinite loop in e1000e_write_packet_to_guest() in hw/net/e1000e_core.c (CVE-2020-25707)

 * QEMU: assertion failure through usb_packet_unmap() in hw/usb/hcd-ehci.c (CVE-2020-25723)

 * QEMU: e1000e: infinite loop scenario in case of null packet descriptor (CVE-2020-28916)

 * QEMU: slirp: out-of-bounds access while processing ARP/NCSI packets (CVE-2020-29129, CVE-2020-29130)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://errata.almalinux.org/8/ALSA-2021-1762.html

Plugin Details

Severity: Medium

ID: 157696

File Name: alma_linux_ALSA-2021-1762.nasl

Version: 1.6

Type: local

Published: 2/9/2022

Updated: 1/13/2025

Supported Sensors: Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2020-25637

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 6

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:alma:linux:python3-libnbd, p-cpe:/a:alma:linux:perl-hivex, p-cpe:/a:alma:linux:supermin-devel, p-cpe:/a:alma:linux:python3-hivex, p-cpe:/a:alma:linux:ocaml-libnbd-devel, p-cpe:/a:alma:linux:sgabios, p-cpe:/a:alma:linux:ruby-hivex, p-cpe:/a:alma:linux:ocaml-hivex, p-cpe:/a:alma:linux:supermin, p-cpe:/a:alma:linux:libiscsi-utils, p-cpe:/a:alma:linux:nbdkit-bash-completion, p-cpe:/a:alma:linux:nbdkit-example-plugins, p-cpe:/a:alma:linux:nbdkit-python-plugin, p-cpe:/a:alma:linux:ocaml-libnbd, p-cpe:/a:alma:linux:nbdkit-vddk-plugin, p-cpe:/a:alma:linux:netcf-devel, p-cpe:/a:alma:linux:nbdkit-basic-plugins, p-cpe:/a:alma:linux:nbdkit-gzip-plugin, p-cpe:/a:alma:linux:perl-sys-virt, p-cpe:/a:alma:linux:nbdkit-curl-plugin, p-cpe:/a:alma:linux:seabios, p-cpe:/a:alma:linux:seavgabios-bin, p-cpe:/a:alma:linux:sgabios-bin, p-cpe:/a:alma:linux:nbdfuse, p-cpe:/a:alma:linux:libnbd-devel, p-cpe:/a:alma:linux:netcf, p-cpe:/a:alma:linux:netcf-libs, p-cpe:/a:alma:linux:seabios-bin, p-cpe:/a:alma:linux:python3-libvirt, p-cpe:/a:alma:linux:libvirt-dbus, p-cpe:/a:alma:linux:nbdkit, cpe:/o:alma:linux:8, p-cpe:/a:alma:linux:libiscsi-devel, p-cpe:/a:alma:linux:hivex, p-cpe:/a:alma:linux:nbdkit-ssh-plugin, p-cpe:/a:alma:linux:nbdkit-xz-filter, p-cpe:/a:alma:linux:hivex-devel, p-cpe:/a:alma:linux:nbdkit-linuxdisk-plugin, p-cpe:/a:alma:linux:ocaml-hivex-devel, p-cpe:/a:alma:linux:libguestfs-winsupport, p-cpe:/a:alma:linux:nbdkit-server, p-cpe:/a:alma:linux:ocaml-libguestfs, p-cpe:/a:alma:linux:libiscsi, p-cpe:/a:alma:linux:nbdkit-devel, p-cpe:/a:alma:linux:ocaml-libguestfs-devel, p-cpe:/a:alma:linux:libnbd, p-cpe:/a:alma:linux:nbdkit-basic-filters

Required KB Items: Host/cpu, Host/local_checks_enabled, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/18/2021

Vulnerability Publication Date: 7/23/2020

Reference Information

CVE: CVE-2020-11947, CVE-2020-16092, CVE-2020-25637, CVE-2020-25707, CVE-2020-25723, CVE-2020-27821, CVE-2020-28916, CVE-2020-29129, CVE-2020-29130, CVE-2020-29443

IAVB: 2020-B-0041-S, 2020-B-0075-S