Vulnerability · Published Aug 26, 2022 · Assigned by redhat
CVE-2022-0216
Medium 4.4
In plain English
A medium-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 38% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)4.4Medium
Exploit odds (30 days)0.4%top 62.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A use-after-free vulnerability was found in the LSI53C895A SCSI Host Bus Adapter emulation of QEMU. The flaw occurs while processing repeated messages to cancel the current SCSI request via the lsi_do_msgout function. This flaw allows a malicious privileged user within the guest to crash the QEMU process on the host, resulting in a denial of service.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | qemu | 1:7.1+dfsg-1 | DEBIAN-CVE-2022-0216 |
| Debian:13 | qemu | 1:7.1+dfsg-1 | DEBIAN-CVE-2022-0216 |
| Debian:14 | qemu | 1:7.1+dfsg-1 | DEBIAN-CVE-2022-0216 |
| Ubuntu:22.04:LTS | qemu | 1:6.2+dfsg-2ubuntu6.6 | USN-5772-1 |
| Ubuntu:22.04:LTS | qemu | 1:6.2+dfsg-2ubuntu6.6 | UBUNTU-CVE-2022-0216 |
Affected products (as reported)
Weakness: CWE-416