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CVE-2021-3545

Publication date 2 June 2021

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
qemu 22.04 LTS jammy
Fixed 1:6.2+dfsg-2ubuntu5
21.10 impish
Fixed 1:6.0+dfsg-2expubuntu1.2
21.04 hirsute
Fixed 1:5.2+dfsg-9ubuntu3.1
20.10 groovy
Fixed 1:5.0-5ubuntu9.9
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
21.10 impish Not in release
21.04 hirsute Not in release
20.10 groovy 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

mdeslaur

same commits as CVE-2021-3544

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