Out-of-bounds write in QEMU - CVE-2021-3713

Vulnerability identifier: #VU63779

CSH Severity: Medium

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-3713

CWE-ID: CWE-787

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in the UAS (USB Attached SCSI) device emulation of QEMU. A local user can perform a denial of service or escalate privileges on the system.

QEMU
Debian Linux
SUSE MicroOS
HPE Helion Openstack
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise Server
SUSE Linux Enterprise Module for Basesystem
SUSE Linux Enterprise Module for Server Applications
Ubuntu
openEuler
qemu
qemu-s390-debuginfo
qemu-s390
qemu-arm-debuginfo
qemu-arm
qemu-ppc-debuginfo
qemu-ppc
qemu-x86-debuginfo
qemu-x86
qemu-tools-debuginfo
qemu-tools
qemu-lang
qemu-kvm
qemu-guest-agent
qemu-block-curl
qemu-block-curl-debuginfo
qemu-block-iscsi
qemu-block-iscsi-debuginfo
qemu-block-rbd
qemu-block-rbd-debuginfo
qemu-block-ssh
qemu-block-ssh-debuginfo
qemu-debugsource
qemu-guest-agent-debuginfo
qemu-ui-curses
qemu-audio-sdl-debuginfo
qemu-audio-sdl
qemu-audio-pa-debuginfo
qemu-audio-pa
qemu-audio-oss-debuginfo
qemu-audio-oss
qemu-audio-alsa-debuginfo
qemu-audio-alsa
qemu-ui-curses-debuginfo
qemu-ui-sdl-debuginfo
qemu-ui-sdl
qemu-ui-gtk-debuginfo
qemu-ui-gtk
qemu-debuginfo
qemu-img
qemu-help
qemu-seabios
qemu-ui-spice-app
qemu-ui-spice-app-debuginfo
qemu-microvm
qemu-chardev-spice-debuginfo
qemu-chardev-baum
qemu-chardev-baum-debuginfo
qemu-ksm
qemu-audio-spice
qemu-s390x-debuginfo
qemu-s390x
qemu-hw-display-virtio-gpu
qemu-hw-display-qxl
qemu-hw-display-qxl-debuginfo
qemu-hw-display-virtio-vga
qemu-hw-display-virtio-vga-debuginfo
qemu-hw-usb-redirect
qemu-hw-usb-redirect-debuginfo
qemu-ui-opengl
qemu-ui-opengl-debuginfo
qemu-ui-spice-core
qemu-ui-spice-core-debuginfo
qemu-audio-spice-debuginfo
qemu-chardev-spice
qemu-hw-s390x-virtio-gpu-ccw-debuginfo
qemu-hw-s390x-virtio-gpu-ccw
qemu-hw-display-virtio-gpu-debuginfo
qemu-skiboot
qemu-hw-display-virtio-gpu-pci-debuginfo
qemu-hw-display-virtio-gpu-pci
qemu-sgabios
qemu-system (Ubuntu package)
qemu-system-misc (Ubuntu package)
qemu-system-s390x (Ubuntu package)
qemu-system-mips (Ubuntu package)
qemu-system-ppc (Ubuntu package)
qemu-system-arm (Ubuntu package)
qemu-system-sparc (Ubuntu package)
qemu-system-x86 (Ubuntu package)
qemu-system-x86-microvm (Ubuntu package)
qemu-system-x86-xen (Ubuntu package)
qemu (Debian package)

Install updates from vendor's website.

QEMU - update to 7.0.0
qemu - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-s390-debuginfo - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3
qemu-s390 - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3
qemu-arm-debuginfo - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-arm - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-ppc-debuginfo - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-ppc - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-x86-debuginfo - addressed in versions 2.9.1-43.62.1, 4.2.1-11.31.3, 5.2.0-106.4
qemu-x86 - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-tools-debuginfo - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-tools - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-lang - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-kvm - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-guest-agent - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-block-curl - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-block-curl-debuginfo - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-block-iscsi - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-block-iscsi-debuginfo - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-block-rbd - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-block-rbd-debuginfo - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-block-ssh - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-block-ssh-debuginfo - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-debugsource - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-guest-agent-debuginfo - addressed in versions 2.9.1-43.62.1, 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-ui-curses - addressed in versions 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-audio-sdl-debuginfo - update to 3.1.1.1-60.2
qemu-audio-sdl - update to 3.1.1.1-60.2
qemu-audio-pa-debuginfo - addressed in versions 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-audio-pa - addressed in versions 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-audio-oss-debuginfo - update to 3.1.1.1-60.2
qemu-audio-oss - update to 3.1.1.1-60.2
qemu-audio-alsa-debuginfo - addressed in versions 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-audio-alsa - addressed in versions 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-ui-curses-debuginfo - addressed in versions 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-ui-sdl-debuginfo - update to 3.1.1.1-60.2
qemu-ui-sdl - update to 3.1.1.1-60.2
qemu-ui-gtk-debuginfo - addressed in versions 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-ui-gtk - addressed in versions 3.1.1.1-60.2, 4.2.1-11.31.3, 5.2.0-106.4
qemu-block-iscsi - update to 4.1.0-56
qemu-block-curl - update to 4.1.0-56
qemu-guest-agent - update to 4.1.0-56
qemu-block-rbd - update to 4.1.0-56
qemu-debuginfo - update to 4.1.0-56
qemu-img - update to 4.1.0-56
qemu-block-ssh - update to 4.1.0-56
qemu-help - update to 4.1.0-56
qemu-debugsource - update to 4.1.0-56
qemu-seabios - update to 4.1.0-56
qemu - update to 4.1.0-56
qemu-ui-spice-app - addressed in versions 4.2.1-11.31.3, 5.2.0-106.4
qemu-ui-spice-app-debuginfo - addressed in versions 4.2.1-11.31.3, 5.2.0-106.4
qemu-debuginfo - addressed in versions 4.2.1-11.31.3, 5.2.0-106.4
qemu-microvm - update to 4.2.1-11.31.3
qemu-chardev-spice-debuginfo - update to 5.2.0-106.4
qemu-chardev-baum - update to 5.2.0-106.4
qemu-chardev-baum-debuginfo - update to 5.2.0-106.4
qemu-ksm - update to 5.2.0-106.4
qemu-audio-spice - update to 5.2.0-106.4
qemu-s390x-debuginfo - update to 5.2.0-106.4
qemu-s390x - update to 5.2.0-106.4
qemu-hw-display-virtio-gpu - update to 5.2.0-106.4
qemu-hw-display-qxl - update to 5.2.0-106.4
qemu-hw-display-qxl-debuginfo - update to 5.2.0-106.4
qemu-hw-display-virtio-vga - update to 5.2.0-106.4
qemu-hw-display-virtio-vga-debuginfo - update to 5.2.0-106.4
qemu-hw-usb-redirect - update to 5.2.0-106.4
qemu-hw-usb-redirect-debuginfo - update to 5.2.0-106.4
qemu-ui-opengl - update to 5.2.0-106.4
qemu-ui-opengl-debuginfo - update to 5.2.0-106.4
qemu-ui-spice-core - update to 5.2.0-106.4
qemu-ui-spice-core-debuginfo - update to 5.2.0-106.4
qemu-audio-spice-debuginfo - update to 5.2.0-106.4
qemu-chardev-spice - update to 5.2.0-106.4
qemu-hw-s390x-virtio-gpu-ccw-debuginfo - update to 5.2.0-106.4
qemu-hw-s390x-virtio-gpu-ccw - update to 5.2.0-106.4
qemu-hw-display-virtio-gpu-debuginfo - update to 5.2.0-106.4
qemu-skiboot - update to 5.2.0-106.4
qemu-hw-display-virtio-gpu-pci-debuginfo - update to 5.2.0-106.4
qemu-hw-display-virtio-gpu-pci - update to 5.2.0-106.4
qemu-sgabios - addressed in versions 8-11.31.3, 8-43.62.1, 8-60.2, 8-106.4
qemu-system (Ubuntu package) - addressed in versions 1:2.11+dfsg-1ubuntu7.39, 1:4.2-3ubuntu6.21, 1:6.0+dfsg-2expubuntu1.2
qemu-system-misc (Ubuntu package) - addressed in versions 1:2.11+dfsg-1ubuntu7.39, 1:4.2-3ubuntu6.21, 1:6.0+dfsg-2expubuntu1.2
qemu-system-s390x (Ubuntu package) - addressed in versions 1:2.11+dfsg-1ubuntu7.39, 1:4.2-3ubuntu6.21, 1:6.0+dfsg-2expubuntu1.2
qemu-system-mips (Ubuntu package) - addressed in versions 1:2.11+dfsg-1ubuntu7.39, 1:4.2-3ubuntu6.21, 1:6.0+dfsg-2expubuntu1.2
qemu-system-ppc (Ubuntu package) - addressed in versions 1:2.11+dfsg-1ubuntu7.39, 1:4.2-3ubuntu6.21, 1:6.0+dfsg-2expubuntu1.2
qemu-system-arm (Ubuntu package) - addressed in versions 1:2.11+dfsg-1ubuntu7.39, 1:4.2-3ubuntu6.21, 1:6.0+dfsg-2expubuntu1.2
qemu-system-sparc (Ubuntu package) - addressed in versions 1:2.11+dfsg-1ubuntu7.39, 1:4.2-3ubuntu6.21, 1:6.0+dfsg-2expubuntu1.2
qemu-system-x86 (Ubuntu package) - addressed in versions 1:2.11+dfsg-1ubuntu7.39, 1:4.2-3ubuntu6.21, 1:6.0+dfsg-2expubuntu1.2
qemu-system-x86-microvm (Ubuntu package) - addressed in versions 1:4.2-3ubuntu6.21, 1:6.0+dfsg-2expubuntu1.2
qemu-system-x86-xen (Ubuntu package) - addressed in versions 1:4.2-3ubuntu6.21, 1:6.0+dfsg-2expubuntu1.2
qemu (Debian package) - update to 1:5.2+dfsg-11+deb11u1

• https://bugzilla.redhat.com/show_bug.cgi?id=1994640
• https://lists.debian.org/debian-lts-announce/2021/09/msg00000.html
• https://security.netapp.com/advisory/ntap-20210923-0006/
• https://www.debian.org/security/2021/dsa-4980

• SUSE update for qemu
• SUSE update for qemu
• SUSE update for qemu
• SUSE update for qemu
• Ubuntu update for qemu
• Debian update for qemu
• openEuler update for qemu