#VU53679 Memory leak in QEMU - CVE-2021-3544
Published: May 31, 2021
Vulnerability identifier: #VU53679
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-3544
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
QEMU
QEMU
Software vendor:
QEMU
QEMU
Description
The vulnerability allows a remote user to perform DoS attack on the target system.
The vulnerability exists due to multiple memory leaks in the vhost-user-gpu/vhost-user-gpu.c. A remote authenticated user of the guest operating system can force the application to leak memory and perform denial of service attack.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
External links
- http://seclists.org/oss-sec/2021/q2/176
- https://gitlab.com/qemu-project/qemu/-/commit/86dd8fac
- https://gitlab.com/qemu-project/qemu/-/commit/b9f79858
- https://gitlab.com/qemu-project/qemu/-/commit/b7afebcf
- https://gitlab.com/qemu-project/qemu/-/commit/f6091d86
- https://gitlab.com/qemu-project/qemu/-/commit/63736af5