CVE-2021-4158
Medium
Description
A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.
SeverityMedium
CVSS6.0
Exploit probability—
Product
Qemu
PublishedAug 24, 2022
First seenAug 24, 2022
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- qemu qemu7.0.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| qemu qemu | 6.0.0 ≤ v < 7.0.0 | 7.0.0 |
| redhat enterprise_linux | 9.0 | — |
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