CVE-2021-3544
Published: 2 June 2021
Several memory leaks were found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. They exist in contrib/vhost-user-gpu/vhost-user-gpu.c and contrib/vhost-user-gpu/virgl.c due to improper release of memory (i.e., free) after effective lifetime.
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 |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3544
- https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01155.html
- https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01151.html
- https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01157.html
- https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01152.html
- https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01156.html
- https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01158.html
- https://ubuntu.com/security/notices/USN-5010-1
- https://ubuntu.com/security/notices/USN-5307-1
- NVD
- Launchpad
- Debian