CVE-2021-3611
Publication date 11 May 2022
Last updated 24 July 2024
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| qemu | 24.04 LTS noble |
Fixed 1:7.0+dfsg-7ubuntu1
|
| 22.04 LTS jammy |
Fixed 1:6.2+dfsg-2ubuntu6.16
|
|
| 20.04 LTS focal |
Not affected
|
|
| 18.04 LTS bionic |
Not affected
|
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty |
Not affected
|
Notes
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.
Patch details
| Package | Patch details |
|---|---|
| qemu |
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
6.5 · Medium
|
| 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 |
References
Related Ubuntu Security Notices (USN)
- USN-6567-1
- QEMU vulnerabilities
- 8 January 2024