Vulnerability · Published Mar 29, 2022 · Assigned by redhat

CVE-2022-1050

High 8.8

In plain English

A high-severity use-after-free in QEMU. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)0.4%top 67.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to execute HW commands when shared buffers are not yet allocated, potentially leading to a use-after-free condition.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12qemu1:7.1+dfsg-2DEBIAN-CVE-2022-1050
Debian:13qemu1:7.1+dfsg-2DEBIAN-CVE-2022-1050
Debian:14qemu1:7.1+dfsg-2DEBIAN-CVE-2022-1050
Ubuntu:22.04:LTSqemu1:6.2+dfsg-2ubuntu6.11USN-6167-1
Ubuntu:22.04:LTSqemu1:6.2+dfsg-2ubuntu6.11UBUNTU-CVE-2022-1050

Affected products (as reported)

VendorProductVersions
n/a QEMU qemu 2.20.1

Weakness: CWE-416

References