Vulnerability identifier: #VU11818
Vulnerability risk: Low
CVSSv3.1: 3.1 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
QEMU
Client/Desktop applications /
Virtualization software
Vendor: QEMU
Description
The vulnerability allows an adjacent authenticated attacker to cause DoS condition on the target system.
The vulnerability exists in the vga display update in mis-calculated the region for the dirty bitmap snapshot in case split screen mode in the cpu_physical_memory_snapshot_get_dirty function due to assertion failure. An adjacent attacker can cause the service to crash.
Mitigation
Install update from vendor's website.
Vulnerable software versions
QEMU: All versions
External links
http://git.qemu.org/gitweb.cgi?p=qemu.git;a=commit;h=bfc56535f793c557aa754c50213fc5f882e6482d
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.