CVE-2021-3611
Published: 11 May 2022
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.
Notes
Author | Note |
---|---|
mdeslaur | introduced in 5.0.0-rc0 by: https://git.qemu.org/?p=qemu.git;a=commit;h=a9d8ba2be58e067bdfbff830eb9ff438d8db7f10 Part of the DMA reentrancy issues. Fixing this requires backporting the 22 DMA changes listed below. |
Priority
Status
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Changed |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |