CVE-2021-3392
Low
Description
A use-after-free flaw was found in the MegaRAID emulator of QEMU. This issue occurs while processing SCSI I/O requests in the case of an error mptsas_free_request() that does not dequeue the request object 'req' from a pending requests queue. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. Versions between 2.10.0 and 5.2.0 are potentially affected.
SeverityLow
CVSS3.2
Exploit probability—
Product
Qemu
PublishedMar 23, 2021
First seenMar 23, 2021
Weakness typeCWE-416Use after free
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| qemu qemu | 2.10.0 ≤ v ≤ 5.2.0 | — |
| fedoraproject fedora | 33 | — |
| debian debian_linux | 9.0, 10.0 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.