Vulnerability · Published May 11, 2022 · Assigned by redhat
CVE-2021-3611
Medium 6.5
In plain English
A medium-severity memory corruption in QEMU. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)0.5%top 59.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A stack overflow vulnerability was found in the Intel HD Audio device (intel-hda) of QEMU. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition. The highest threat from this vulnerability is to system availability. This flaw affects QEMU versions prior to 7.0.0.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | qemu-guest-agent | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-img | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm-audio-pa | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm-block-curl | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm-block-rbd | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm-common | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm-core | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm-device-display-virtio-gpu | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm-device-display-virtio-gpu-ccw | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm-device-display-virtio-gpu-gl | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm-device-display-virtio-gpu-pci | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm-device-display-virtio-gpu-pci-gl | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm-device-display-virtio-vga | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm-device-display-virtio-vga-gl | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm-device-usb-host | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm-device-usb-redirect | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm-docs | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm-tools | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm-ui-egl-headless | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-kvm-ui-opengl | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| AlmaLinux:9 | qemu-pr-helper | 17:7.0.0-13.el9 | ALSA-2022:7967 |
| Debian:12 | qemu | 1:7.0+dfsg-1 | DEBIAN-CVE-2021-3611 |
| Debian:13 | qemu | 1:7.0+dfsg-1 | DEBIAN-CVE-2021-3611 |
| Debian:14 | qemu | 1:7.0+dfsg-1 | DEBIAN-CVE-2021-3611 |
| Rocky Linux:9 | qemu-kvm | 7:7.0.0-13.el9 | RLSA-2022:7967 |
| Ubuntu:22.04:LTS | qemu | 1:6.2+dfsg-2ubuntu6.16 | USN-6567-1 |
| Ubuntu:22.04:LTS | qemu | 1:6.2+dfsg-2ubuntu6.16 | UBUNTU-CVE-2021-3611 |
Affected products (as reported)
Weakness: CWE-119
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1973784 x_refsource_MISC
- https://gitlab.com/qemu-project/qemu/-/issues/542 x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20220624-0001/ x_refsource_CONFIRM
- GLSA-202208-27 vendor-advisory, x_refsource_GENTOO