CVE-2021-3545
Publication date 2 June 2021
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
An information disclosure vulnerability was found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. The flaw exists in virgl_cmd_get_capset_info() in contrib/vhost-user-gpu/virgl.c and could occur due to the read of uninitialized memory. A malicious guest could exploit this issue to leak memory from the host.
Status
Package | Ubuntu Release | Status |
---|---|---|
qemu | 22.04 LTS jammy |
Fixed 1:6.2+dfsg-2ubuntu5
|
20.04 LTS focal |
Fixed 1:4.2-3ubuntu6.17
|
|
18.04 LTS bionic |
Not affected
|
|
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty |
Not affected
|
|
qemu-kvm | 22.04 LTS jammy | Not in release |
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release |
Notes
Patch details
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 | High |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-5010-1
- QEMU vulnerabilities
- 15 July 2021
- USN-5307-1
- QEMU vulnerabilities
- 28 February 2022