Information disclosure in QEMU - CVE-2021-3545

Vulnerability identifier: #VU53680

CSH Severity: Low

CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-3545

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to uninitialized memory disclosure within the virgl_cmd_get_capset_info() function in vhost-user-gpu/virgl.c. A remote authenticated user of the guest operating system can gain unauthorized access to sensitive information on the system.

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

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

qemu-seabios - update to 4.1.0-48
qemu - update to 4.1.0-48
qemu-guest-agent - update to 4.1.0-48
qemu-debuginfo - update to 4.1.0-48
qemu-img - update to 4.1.0-48
qemu-block-ssh - update to 4.1.0-48
qemu-block-rbd - update to 4.1.0-48
qemu-block-iscsi - update to 4.1.0-48
qemu-debugsource - update to 4.1.0-48
qemu-help - update to 4.1.0-48
qemu-ppc - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-debuginfo - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-ppc-debuginfo - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-audio-alsa - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-audio-alsa-debuginfo - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-audio-pa - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-audio-pa-debuginfo - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-ui-curses - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-ui-curses-debuginfo - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-ui-gtk - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-ui-gtk-debuginfo - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-microvm - update to 4.2.1-11.22.1
qemu-s390 - update to 4.2.1-11.22.1
qemu-s390-debuginfo - update to 4.2.1-11.22.1
qemu-ui-spice-app-debuginfo - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-debugsource - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-tools - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-tools-debuginfo - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-arm - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-arm-debuginfo - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-x86 - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-x86-debuginfo - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-block-curl - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-block-curl-debuginfo - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-block-iscsi-debuginfo - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-kvm - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-ui-spice-app - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-lang - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-guest-agent-debuginfo - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-guest-agent - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-block-ssh-debuginfo - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-block-ssh - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-block-rbd-debuginfo - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-block-rbd - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-block-iscsi - addressed in versions 4.2.1-11.22.1, 5.2.0-20.1
qemu-hw-display-virtio-gpu-pci - update to 5.2.0-20.1
qemu-skiboot - update to 5.2.0-20.1
qemu-hw-display-virtio-gpu-pci-debuginfo - update to 5.2.0-20.1
qemu-hw-s390x-virtio-gpu-ccw - update to 5.2.0-20.1
qemu-hw-s390x-virtio-gpu-ccw-debuginfo - update to 5.2.0-20.1
qemu-s390x - update to 5.2.0-20.1
qemu-s390x-debuginfo - update to 5.2.0-20.1
qemu-hw-display-virtio-gpu - update to 5.2.0-20.1
qemu-chardev-baum - update to 5.2.0-20.1
qemu-chardev-baum-debuginfo - update to 5.2.0-20.1
qemu-ksm - update to 5.2.0-20.1
qemu-audio-spice - update to 5.2.0-20.1
qemu-audio-spice-debuginfo - update to 5.2.0-20.1
qemu-chardev-spice - update to 5.2.0-20.1
qemu-chardev-spice-debuginfo - update to 5.2.0-20.1
qemu-hw-display-qxl - update to 5.2.0-20.1
qemu-hw-display-qxl-debuginfo - update to 5.2.0-20.1
qemu-hw-display-virtio-vga - update to 5.2.0-20.1
qemu-hw-display-virtio-vga-debuginfo - update to 5.2.0-20.1
qemu-hw-usb-redirect - update to 5.2.0-20.1
qemu-hw-usb-redirect-debuginfo - update to 5.2.0-20.1
qemu-hw-display-virtio-gpu-debuginfo - update to 5.2.0-20.1
qemu-ui-spice-core-debuginfo - update to 5.2.0-20.1
qemu-ui-spice-core - update to 5.2.0-20.1
qemu-ui-opengl-debuginfo - update to 5.2.0-20.1
qemu-ui-opengl - update to 5.2.0-20.1
qemu-sgabios - addressed in versions 8-11.22.1, 8-20.1
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-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-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-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

• http://seclists.org/oss-sec/2021/q2/176
• https://gitlab.com/qemu-project/qemu/-/commit/121841b2

• Multiple vulnerabilities in QEMU
• SUSE update for qemu
• SUSE update for qemu
• Ubuntu update for qemu
• Debian update for qemu
• openEuler 20.03 LTS SP1 update for qemu